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Nikon D40 vs Olympus E-300

The Nikon D40 and the Olympus Evolt E-300 are two digital cameras that were officially introduced, respectively, in November 2006 and September 2004. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (D40) and a Four Thirds (E-300) sensor. The Nikon has a resolution of 6 megapixels, whereas the Olympus provides 8 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon D40
versus
Olympus E-300
Nikon D40   Olympus E-300
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Four Thirds lenses
6 MP – APS-C sensor 8 MP – Four Thirds sensor
no Video no Video
ISO 200-1,600 (200 - 3,200) ISO 100-400 (100 - 1,600)
Optical viewfinder Optical viewfinder
2.5" LCD – 230k dots 1.8" LCD – 134k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
2.5 shutter flaps per second 2.5 shutter flaps per second
470 shots per battery charge750 shots per battery charge
124 x 94 x 64 mm, 522 g 147 x 85 x 64 mm, 624 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D40 and the Olympus Evolt E-300? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Nikon D40 and the Olympus E-300. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Nikon D40 vs Olympus E-300
Compare D40 versus E-300 top
Comparison D40 or E-300 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-300 is notably larger (7 percent) than the Nikon D40. Moreover, the E-300 is markedly heavier (20 percent) than the D40. In this context, it is worth noting that neither the D40 nor the E-300 are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D40) and the Four Thirds Lens Catalog (E-300).

Concerning battery life, the D40 gets 470 shots out of its Nikon EN-EL9 battery, while the E-300 can take 750 images on a single charge of its Olympus BLM-1 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 i Nov 2006 US$ 499ebay.com
2.
 
Olympus E-300 147 mm 85 mm 64 mm 624 g 750 i Sep 2004 US$ 799ebay.com
3.
 
Leica Digilux 3 146 mm 87 mm 77 mm 606 g 750 i Sep 2006 US$ 1 499ebay.com
4.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 i Mar 2007 US$ 729ebay.com
5.
 
Nikon D50 133 mm 102 mm 76 mm 620 g 400 i Apr 2005 US$ 749ebay.com
6.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 i Jan 2008 US$ 629ebay.com
7.
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 i Jan 2004 US$ 999ebay.com
8.
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 i Apr 2005 US$ 899ebay.com
9.
 
Nikon D80 132 mm 103 mm 77 mm 668 g 600 i Aug 2006 US$ 999ebay.com
10.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 i Jul 2009 US$ 599ebay.com
11.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 i Aug 2010 US$ 599ebay.com
12.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 i Jan 2014 US$ 499ebay.com
13.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 i Aug 2016 US$ 499ebay.com
14.
 
Olympus E-1 141 mm 104 mm 81 mm 738 g 750 i Jun 2003 US$ 1 699ebay.com
15.
 
Olympus E-330 140 mm 87 mm 72 mm 637 g 750 i Jan 2006 US$ 999ebay.com
16.
 
Olympus E-400 130 mm 91 mm 53 mm 435 g 500 i Sep 2006 US$ 699ebay.com
17.
 
Olympus E-500 130 mm 95 mm 66 mm 479 g 750 i Sep 2005 US$ 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
  empty Camera
Model

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The D40 was launched at a markedly lower price (by 38 percent) than the E-300, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D40 features an APS-C sensor and the Olympus E-300 a Four Thirds sensor. The sensor area in the E-300 is 39 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D40 has a native 3:2 aspect ratio, while the one in the E-300 offers a 4:3 aspect.

Nikon D40 and Olympus E-300 sensor measures

Despite having a smaller sensor, the E-300 offers a higher resolution of 8 megapixels, compared with 6 MP of the D40. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 5.30μm versus 7.85μm for the D40). Moreover, it should be noted that the D40 is much more recent (by 2 years and 1 month) than the E-300, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Olympus E-300 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-300 for good quality output (200 dots per inch) amounts to 16.3 x 12.2 inches or 41.5 x 31.1 cm, for very good quality (250 dpi) 13.1 x 9.8 inches or 33.2 x 24.9 cm, and for excellent quality (300 dpi) 10.9 x 8.2 inches or 27.6 x 20.7 cm. The corresponding values for the Nikon D40 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

The Nikon D40 has a native sensitivity range from ISO 200 to ISO 1600, which can be extended to ISO 200-3200. The corresponding ISO settings for the Olympus Evolt E-300 are ISO 100 to ISO 400, with the possibility to increase the ISO range to 100-1600.

Technology-wise, both cameras are equipped with CCD (Charged Coupled Device) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D40 versus E-300 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D40 APS-C 6.0 3008 2000i21.011.056156
2.
 
Olympus E-300 Four Thirds 8.0 3264 2448i20.410.1-4048
3.
 
Leica Digilux 3 Four Thirds 7.4 3136 2352i21.010.612753
4.
 
Nikon D40X APS-C 10.0 3872 2592i22.411.451663
5.
 
Nikon D50 APS-C 6.0 3008 2000i20.910.856055
6.
 
Nikon D60 APS-C 10.0 3872 2592i22.511.456265
7.
 
Nikon D70 APS-C 6.0 3008 2000i20.410.352950
8.
 
Nikon D70s APS-C 6.0 3008 2000i20.410.352950
9.
 
Nikon D80 APS-C 10.0 3872 2592i22.111.252461
10.
 
Nikon D3000 APS-C 10.0 3872 2592i22.311.156362
11.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
12.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
13.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
14.
 
Olympus E-1 Four Thirds 4.9 2560 1920i20.09.7-14544
15.
 
Olympus E-330 Four Thirds 7.4 3136 2352i20.810.47352
16.
 
Olympus E-400 Four Thirds 10.0 3648 2736i21.010.612753
17.
 
Olympus E-500 Four Thirds 8.0 3264 2448i20.710.34551
Note: DXO values in italics represent estimates based on sensor size and age.
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
  empty Camera
Model
Neither the D40 nor the E-300 offer Live View, so that they cannot project the live image that the sensor receives onto the rear screen. Moreover, both cameras are still-image focused and cannot record videos.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The D40 and the E-300 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (95%), but the viewfinder of the D40 has a higher magnification than the one of the E-300 (0.53x vs 0.5x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D40 and Olympus E-300 along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D40optical i2.5 / 230 fixed i 1/4000s 2.5/s i i
2.
 
Olympus E-300optical i1.8 / 134 fixed i 1/4000s 2.5/s i i
3.
 
Leica Digilux 3optical i2.5 / 207 fixed i 1/4000s 3.0/s i i
4.
 
Nikon D40Xoptical i2.5 / 230 fixed i 1/4000s 3.0/s i i
5.
 
Nikon D50optical i2.0 / 130 fixed i 1/4000s 2.5/s i i
6.
 
Nikon D60optical i2.5 / 230 fixed i 1/4000s 3.0/s i i
7.
 
Nikon D70optical i1.8 / 130 fixed i 1/8000s 3.0/s i i
8.
 
Nikon D70soptical i2.0 / 130 fixed i 1/8000s 3.0/s i i
9.
 
Nikon D80optical i2.5 / 230 fixed i 1/4000s 3.0/s i i
10.
 
Nikon D3000optical i3.0 / 230 fixed i 1/4000s 3.0/s i i
11.
 
Nikon D3100optical i3.0 / 230 fixed i 1/4000s 3.0/s i i
12.
 
Nikon D3300optical i3.0 / 921 fixed i 1/4000s 5.0/s i i
13.
 
Nikon D3400optical i3.0 / 921 fixed i 1/4000s 5.0/s i i
14.
 
Olympus E-1optical i1.8 / 134 fixed i 1/4000s 3.0/s i i
15.
 
Olympus E-330optical i2.5 / 215 tilting i 1/4000s 3.0/s i i
16.
 
Olympus E-400optical i2.5 / 215 fixed i 1/4000s 3.0/s i i
17.
 
Olympus E-500optical i2.5 / 215 fixed i 1/4000s 2.5/s i i
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
  empty Camera
Model

The D40 writes its imaging data to SDHC cards, while the E-300 uses Compact Flash or xD Picture cards. The E-300 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D40 only has one slot.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon D40 and Olympus Evolt E-300 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D40ii / iiii2.0iii
2.
 
Olympus E-300ii / iiii2.0iii
3.
 
Leica Digilux 3istereo / monoiii2.0iii
4.
 
Nikon D40Xii / iiii2.0iii
5.
 
Nikon D50ii / iiii2.0iii
6.
 
Nikon D60ii / iiii2.0iii
7.
 
Nikon D70ii / iiii1.0iii
8.
 
Nikon D70sii / iiii2.0iii
9.
 
Nikon D80ii / iiii2.0iii
10.
 
Nikon D3000ii / iiii2.0iii
11.
 
Nikon D3100imono / monoiimini2.0iii
12.
 
Nikon D3300imono / monoiimini2.0iii
13.
 
Nikon D3400imono / monoiimini2.0iii
14.
 
Olympus E-1ii / iiii2.0iii
15.
 
Olympus E-330ii / iiii2.0iii
16.
 
Olympus E-400ii / iiii2.0iii
17.
 
Olympus E-500ii / iiii2.0iii
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
  empty Camera
Model

Both the D40 and the E-300 have been discontinued, but can regularly be found used on ebay. The E-300 was replaced by the Olympus E-330, while the D40 was followed by the Nikon D40X. Further information on the features and operation of the D40 and E-300 can be found, respectively, in the Nikon D40 Manual (free pdf) or the online Olympus E-300 Manual.

Review summary

So what conclusions can be drawn? Is the Nikon D40 better than the Olympus E-300 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

ilogo

Arguments in favor of the Nikon D40:

  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.53x vs 0.5x).
  • Larger screen: Has a bigger rear LCD (2.5" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (230k vs 134k dots).
  • Less heavy: Is lighter (by 102g or 16 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (38 percent cheaper at launch).
  • More modern: Reflects 2 years and 1 month of technical progress since the E-300 launch.

ilogo

Advantages of the Olympus Evolt E-300:

  • More detail: Has more megapixels (8 vs 6MP), which boosts linear resolution by 13%.
  • Longer lasting: Gets more shots (750 versus 470) out of a single battery charge.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been around for much longer (launched in September 2004).

If the count of relative strengths (bullet points above) is taken as a measure, the D40 is the clear winner of the match-up (10 : 4 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D40 10:04 E-300

How about other alternatives? Do the specifications of the Nikon D40 and the Olympus E-300 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D40 or the E-300. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 US$ 499ebay.com
2.
 
Olympus E-300......+o4.5/5 Sep 2004 US$ 799ebay.com
3.
 
Leica Digilux 3............ Sep 2006 US$ 1 499ebay.com
4.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 US$ 729ebay.com
5.
 
Nikon D50..78/100..+ +4/54.5/5 Apr 2005 US$ 749ebay.com
6.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 US$ 629ebay.com
7.
 
Nikon D70......+ +.... Jan 2004 US$ 999ebay.com
8.
 
Nikon D70s..........5/5 Apr 2005 US$ 899ebay.com
9.
 
Nikon D80..+..+ +o4.5/5 Aug 2006 US$ 999ebay.com
10.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 US$ 599ebay.com
11.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 US$ 599ebay.com
12.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 US$ 499ebay.com
13.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 US$ 499ebay.com
14.
 
Olympus E-1......+o.. Jun 2003 US$ 1 699ebay.com
15.
 
Olympus E-330......+o.. Jan 2006 US$ 999ebay.com
16.
 
Olympus E-400..85/100....4/54/5 Sep 2006 US$ 699ebay.com
17.
 
Olympus E-500..76/100..+ +.... Sep 2005 US$ 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
  empty  Camera 
 Model 

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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  • Fujifilm X-T1
  • Fujifilm X-T2
  • Fujifilm X-T3
  • Fujifilm X-T4
  • Fujifilm X-T5
  • Fujifilm X-T10
  • Fujifilm X-T20
  • Fujifilm X-T30
  • Fujifilm X-T30 II
  • Fujifilm X-T50
  • Fujifilm X-T100
  • Fujifilm X-T200
  • Fujifilm X10
  • Fujifilm X20
  • Fujifilm X30
  • Fujifilm X70
  • Fujifilm X100
  • Fujifilm X100S
  • Fujifilm X100T
  • Fujifilm X100F
  • Fujifilm X100V
  • Fujifilm X100VI
  • Fujifilm XF10
  • Fujifilm XQ1
  • Fujifilm XQ2
  • Fujifilm XP120
  • Fujifilm XP130
  • Fujifilm XP140
  • Hasselblad X1D
  • Hasselblad X1D II
  • Hasselblad X2D 100C
  • Kodak AZ901
  • Kodak S-1
  • Leica C-LUX
  • Leica CL
  • Leica D-LUX Typ 109
  • Leica D-LUX 5
  • Leica D-LUX 6
  • Leica D-LUX 7
  • Leica D-LUX 8
  • Leica Digilux 3
  • Leica M Typ 240
  • Leica M-E Typ 240
  • Leica M Typ 262
  • Leica M8
  • Leica M9
  • Leica M10
  • Leica M10-P
  • Leica M10-R
  • Leica M11
  • Leica Q Typ 116
  • Leica Q2
  • Leica Q3
  • Leica S1
  • Leica S2
  • Leica S3
  • Leica S Typ 006
  • Leica S-E Typ 006
  • Leica S Typ 007
  • Leica SL
  • Leica SL2
  • Leica SL2-S
  • Leica SL3
  • Leica SL3-S
  • Leica T
  • Leica TL
  • Leica TL2
  • Leica V-LUX 1
  • Leica V-LUX 2
  • Leica V-LUX 3
  • Leica V-LUX 4
  • Leica V-LUX Typ 114
  • Leica V-LUX 5
  • Leica X1
  • Leica X2
  • Leica X Vario
  • Leica X Typ 113
  • Leica X-U Typ 113
  • Leitz Ur-Leica
  • Nikon 1 J4
  • Nikon 1 J5
  • Nikon 1 V1
  • Nikon 1 V2
  • Nikon 1 V3
  • Nikon Coolpix A
  • Nikon A1000
  • Nikon B500
  • Nikon B600
  • Nikon B700
  • Nikon D1
  • Nikon D1H
  • Nikon D1X
  • Nikon D2H
  • Nikon D2X
  • Nikon D2Xs
  • Nikon D3
  • Nikon D3S
  • Nikon D3X
  • Nikon D4
  • Nikon D4S
  • Nikon D5
  • Nikon D6
  • Nikon D40
  • Nikon D40X
  • Nikon D50
  • Nikon D60
  • Nikon D70
  • Nikon D70s
  • Nikon D80
  • Nikon D90
  • Nikon D100
  • Nikon D200
  • Nikon D300
  • Nikon D300S
  • Nikon D500
  • Nikon D600
  • Nikon D610
  • Nikon D700
  • Nikon D750
  • Nikon D780
  • Nikon D800
  • Nikon D800E
  • Nikon D810
  • Nikon D850
  • Nikon D3000
  • Nikon D3100
  • Nikon D3200
  • Nikon D3300
  • Nikon D3400
  • Nikon D3500
  • Nikon D5000
  • Nikon D5100
  • Nikon D5200
  • Nikon D5300
  • Nikon D5500
  • Nikon D5600
  • Nikon D7000
  • Nikon D7100
  • Nikon D7200
  • Nikon D7500
  • Nikon Df
  • Nikon L840
  • Nikon P900
  • Nikon P950
  • Nikon P1000
  • Nikon P1100
  • Nikon P7800
  • Nikon W150
  • Nikon W300
  • Nikon Z5
  • Nikon Z5 II
  • Nikon Z6
  • Nikon Z6 II
  • Nikon Z6 III
  • Nikon Z7
  • Nikon Z7 II
  • Nikon Z8
  • Nikon Z9
  • Nikon Z30
  • Nikon Z50
  • Nikon Z50 II
  • Nikon Zf
  • Nikon Z fc
  • Olympus E-1
  • Olympus E-3
  • Olympus E-5
  • Olympus E-30
  • Olympus E-300
  • Olympus E-330
  • Olympus E-400
  • Olympus E-410
  • Olympus E-420
  • Olympus E-450
  • Olympus E-500
  • Olympus E-510
  • Olympus E-520
  • Olympus E-600
  • Olympus E-620
  • Olympus E-M1
  • Olympus E-M1 II
  • Olympus E-M1 III
  • Olympus E-M1X
  • Olympus E-M5
  • Olympus E-M5 II
  • Olympus E-M5 III
  • Olympus E-M10
  • Olympus E-M10 II
  • Olympus E-M10 III
  • Olympus E-M10 IV
  • Olympus E-P1
  • Olympus E-P2
  • Olympus E-P3
  • Olympus E-P5
  • Olympus E-P7
  • Olympus E-PL1
  • Olympus E-PL2
  • Olympus E-PL3
  • Olympus E-PL5
  • Olympus E-PL6
  • Olympus E-PL7
  • Olympus E-PL8
  • Olympus E-PL9
  • Olympus E-PL10
  • Olympus E-PM1
  • Olympus E-PM2
  • Olympus PEN-F
  • Olympus Stylus 1
  • Olympus Stylus 1s
  • Olympus TG-4
  • Olympus TG-5
  • Olympus TG-6
  • Olympus XZ-1
  • Olympus XZ-2
  • OM System OM-1
  • OM System OM-1 II
  • OM System OM-3
  • OM System OM-5
  • OM System OM-5 II
  • OM System TG-7
  • Panasonic FZ80
  • Panasonic FZ80D
  • Panasonic FZ100
  • Panasonic FZ150
  • Panasonic FZ200
  • Panasonic FZ300
  • Panasonic FZ1000
  • Panasonic FZ1000 II
  • Panasonic FZ2500
  • Panasonic G1
  • Panasonic G2
  • Panasonic G3
  • Panasonic G5
  • Panasonic G6
  • Panasonic G7
  • Panasonic G9
  • Panasonic G9 II
  • Panasonic G10
  • Panasonic G85
  • Panasonic G97
  • Panasonic G95
  • Panasonic G100
  • Panasonic GF1
  • Panasonic GF2
  • Panasonic GF3
  • Panasonic GF5
  • Panasonic GF6
  • Panasonic GF7
  • Panasonic GH1
  • Panasonic GH2
  • Panasonic GH3
  • Panasonic GH4
  • Panasonic GH5
  • Panasonic GH5 II
  • Panasonic GH5s
  • Panasonic GH6
  • Panasonic GH7
  • Panasonic GM1
  • Panasonic GM5
  • Panasonic GX1
  • Panasonic GX7
  • Panasonic GX8
  • Panasonic GX9
  • Panasonic GX85
  • Panasonic GX850
  • Panasonic L1
  • Panasonic L10
  • Panasonic LF1
  • Panasonic LX5
  • Panasonic LX7
  • Panasonic LX10
  • Panasonic LX100
  • Panasonic LX100 II
  • Panasonic S1
  • Panasonic S1 II
  • Panasonic S1H
  • Panasonic S1R
  • Panasonic S1R II
  • Panasonic S5
  • Panasonic S5 II
  • Panasonic S9
  • Panasonic TS7
  • Panasonic ZS70
  • Panasonic ZS80
  • Panasonic ZS100
  • Panasonic ZS200
  • Pentax 645D
  • Pentax 645Z
  • Pentax K-1
  • Pentax K-1 II
  • Pentax K-3
  • Pentax K-3 II
  • Pentax K-3 III
  • Pentax K-5
  • Pentax K-5 II
  • Pentax K-30
  • Pentax K-50
  • Pentax K-70
  • Pentax K-500
  • Pentax KP
  • Pentax K-S1
  • Pentax K-S2
  • Pentax MX-1
  • Pentax Q
  • Pentax WG-8
  • Pentax WG-90
  • Pentax WG-1000
  • Ricoh GR
  • Ricoh GR II
  • Ricoh GR III
  • Ricoh GR IIIx
  • Ricoh WG-6
  • Ricoh WG-60
  • Samsung NX1
  • Samsung NX30
  • Samsung NX500
  • Sigma fp
  • Sigma fp L
  • Sony A1
  • Sony A1 II
  • Sony A7
  • Sony A7 II
  • Sony A7 III
  • Sony A7 IV
  • Sony A7C
  • Sony A7C II
  • Sony A7C R
  • Sony A7R
  • Sony A7R II
  • Sony A7R III
  • Sony A7R IIIA
  • Sony A7R IV
  • Sony A7R IVA
  • Sony A7R V
  • Sony A7S
  • Sony A7S II
  • Sony A7S III
  • Sony A9
  • Sony A9 II
  • Sony A9 III
  • Sony A58
  • Sony A68
  • Sony A77
  • Sony A77 II
  • Sony A99
  • Sony A99 II
  • Sony A850
  • Sony A900
  • Sony A3000
  • Sony A5000
  • Sony A5100
  • Sony A6000
  • Sony A6100
  • Sony A6300
  • Sony A6400
  • Sony A6500
  • Sony A6600
  • Sony A6700
  • Sony H200
  • Sony H300
  • Sony H400
  • Sony HX80
  • Sony HX90V
  • Sony HX95
  • Sony HX99
  • Sony HX350
  • Sony HX400V
  • Sony NEX-3
  • Sony NEX-3N
  • Sony NEX-5
  • Sony NEX-5N
  • Sony NEX-5R
  • Sony NEX-5T
  • Sony NEX-6
  • Sony NEX-7
  • Sony NEX-C3
  • Sony NEX-F3
  • Sony RX0
  • Sony RX0 II
  • Sony RX1
  • Sony RX1R
  • Sony RX1R II
  • Sony RX1R III
  • Sony RX10
  • Sony RX10 II
  • Sony RX10 III
  • Sony RX10 IV
  • Sony RX100
  • Sony RX100 II
  • Sony RX100 III
  • Sony RX100 IV
  • Sony RX100 V
  • Sony RX100 VI
  • Sony RX100 VII
  • Sony WX800
  • Sony ZV-1
  • Sony ZV-1 II
  • Sony ZV-1F
  • Sony ZV-E1
  • Sony ZV-E10
  • Sony ZV-E10 II
  • YI M1
  • Zeiss ZX1
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Specifications: Nikon D40 vs Olympus E-300

Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

Camera Specifications
Camera Model Nikon D40 Olympus E-300
Camera Type Digital single lens reflex Digital single lens reflex
Camera Lens Nikon F mount lenses Four Thirds lenses
Launch Date November 2006 September 2004
Launch Price USD 499 USD 799
Sensor Specs Nikon D40 Olympus E-300
Sensor Technology CCD CCD
Sensor Format APS-C Sensor Four Thirds Sensor
Sensor Size 23.7 x 15.6 mm 17.3 x 13.0 mm
Sensor Area 369.72 mm2 224.9 mm2
Sensor Diagonal 28.4 mm 21.6 mm
Crop Factor 1.5x 2.0x
Sensor Resolution 6 Megapixels 8 Megapixels
Image Resolution 3008 x 2000 pixels 3264 x 2448 pixels
Pixel Pitch 7.85 μm 5.30 μm
Pixel Density 1.63 MP/cm2 3.55 MP/cm2
Moiré control Anti-Alias filter Anti-Alias filter
Movie Capability no Video no Video
ISO Setting 200 - 1,600 ISO 100 - 400 ISO
ISO Boost 200 - 3,200 ISO 100 - 1,600 ISO
DXO Sensor Quality (score) 56 ..
DXO Color Depth (bits) 21.0 ..
DXO Dynamic Range (EV) 11.0 ..
DXO Low Light (ISO) 561 ..
Screen Specs Nikon D40 Olympus E-300
Viewfinder Type Optical viewfinder Optical viewfinder
Viewfinder Field of View 95% 95%
Viewfinder Magnification 0.53x 0.5x
Rear LCD Size 2.5inch 1.8inch
LCD Resolution 230k dots 134k dots
LCD Attachment Fixed screen Fixed screen
Shooting Specs Nikon D40 Olympus E-300
Focus System Phase-detect AF Phase-detect AF
Continuous Shooting 2.5 shutter flaps/s 2.5 shutter flaps/s
Fill Flash Built-in Flash Built-in Flash
Storage Medium SDHC cards CF or XD cards
Single or Dual Card Slots Single card slot Dual card slots
Connectivity Specs Nikon D40 Olympus E-300
External Flash Hotshoe Hotshoe
USB Connector USB 2.0 USB 2.0
HDMI Port no HDMI no HDMI
Wifi Support no Wifi no Wifi
Body Specs Nikon D40 Olympus E-300
Battery Type Nikon EN-EL9 Olympus BLM-1
Battery Life (CIPA)470 shots per charge750 shots per charge
Body Dimensions 124 x 94 x 64 mm
(4.9 x 3.7 x 2.5 in)
147 x 85 x 64 mm
(5.8 x 3.3 x 2.5 in)
Camera Weight 522 g (18.4 oz) 624 g (22.0 oz)
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