Leica M8 vs Olympus E-400
The Leica M8 and the Olympus E-400 are two digital cameras that were announced in September 2006. The M8 is a rangefinder-focusing mirrorless camera, while the E-400 is a DSLR. The cameras are based on an APS-H (M8) and a Four Thirds (E-400) sensor. The Leica has a resolution of 10.4 megapixels, whereas the Olympus provides 10 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica M8 and the Olympus E-400? 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.
Body comparison
The side-by-side display below illustrates the physical size and weight of the Leica M8 and the Olympus E-400. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.
The M8 can be obtained in two different colors (black, silver), while the E-400 is only available in black.



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Olympus E-400 is notably larger (6 percent) than the Leica M8. However, the E-400 is markedly lighter (26 percent) than the M8. In this context, it is worth noting that neither the M8 nor the E-400 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 Leica M Lens Catalog (M8) and the Four Thirds Lens Catalog (E-400).
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica M8 | 139 mm | 80 mm | 37 mm | 591 g | .. | n | Sep 2006 | 5,499 | ebay.com | |
2. | Olympus E-400 | 130 mm | 91 mm | 53 mm | 435 g | 500 | n | Sep 2006 | 699 | ebay.com | |
3. | Canon 1100D | 130 mm | 100 mm | 78 mm | 495 g | 700 | n | Feb 2011 | 449 | ebay.com | |
4. | Canon 400D | 127 mm | 84 mm | 65 mm | 556 g | 370 | n | Aug 2006 | 799 | ebay.com | |
5. | Leica M10 | 139 mm | 80 mm | 39 mm | 660 g | 210 | Y | Jan 2017 | 6,595 | ebay.com | |
6. | Leica M Typ 262 | 139 mm | 80 mm | 42 mm | 680 g | .. | Y | Nov 2015 | 5,195 | ebay.com | |
7. | Leica M9 | 139 mm | 80 mm | 37 mm | 585 g | .. | n | Sep 2009 | 7,999 | ebay.com | |
8. | Nikon D3000 | 126 mm | 97 mm | 64 mm | 536 g | 500 | n | Jul 2009 | 599 | ebay.com | |
9. | Nikon D5000 | 127 mm | 104 mm | 80 mm | 590 g | 510 | n | Apr 2009 | 749 | ebay.com | |
10. | Nikon D40X | 124 mm | 94 mm | 64 mm | 522 g | 520 | n | Mar 2007 | 729 | ebay.com | |
11. | Nikon D80 | 132 mm | 103 mm | 77 mm | 668 g | 600 | n | Aug 2006 | 999 | ebay.com | |
12. | Olympus E-420 | 130 mm | 91 mm | 53 mm | 440 g | 500 | n | Mar 2008 | 599 | ebay.com | |
13. | Olympus E-410 | 130 mm | 91 mm | 53 mm | 435 g | 500 | n | Mar 2007 | 699 | ebay.com | |
14. | Olympus E-510 | 136 mm | 92 mm | 68 mm | 538 g | 750 | n | Mar 2007 | 799 | ebay.com | |
15. | Olympus E-500 | 130 mm | 95 mm | 66 mm | 479 g | 750 | n | Sep 2005 | 599 | ebay.com | |
16. | Panasonic L10 | 135 mm | 96 mm | 78 mm | 556 g | 450 | n | Aug 2007 | 599 | ebay.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-400 was launched at a markedly lower price (by 87 percent) than the M8, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. 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 size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 tend to be associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Leica M8 features an APS-H sensor and the Olympus E-400 a Four Thirds sensor. The sensor area in the E-400 is 54 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 2.0. The sensor in the M8 has a native 3:2 aspect ratio, while the one in the E-400 offers a 4:3 aspect.

With 10.4MP, the M8 offers a slightly higher resolution than the E-400 (10MP), but the M8 nevertheless has larger individual pixels (pixel pitch of 6.84μm versus 4.74μm for the E-400) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. Coming back to sensor resolution, it should be mentioned that the M8 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The Leica M8 has a native sensitivity range from ISO 160 to ISO 2500. The corresponding ISO settings for the Olympus E-400 are ISO 100 to ISO 1600 (no boost).
In terms of underlying technology, the M8 is build around a CCD sensor, while the E-400 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

For many cameras, data on sensor performance has been reported by DXO Mark. 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.

Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica M8 | APS-H | 10.4 | 3936 | 2630 | none | 21.1 | 11.3 | 663 | 59 | |
2. | Olympus E-400 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.0 | 10.6 | 127 | 53 | |
3. | Canon 1100D | APS-C | 12.2 | 4272 | 2848 | 720/30p | 21.9 | 11.0 | 755 | 62 | |
4. | Canon 400D | APS-C | 10.1 | 3888 | 2592 | none | 22.1 | 11.0 | 664 | 62 | |
5. | Leica M10 | Full Frame | 23.8 | 5952 | 3992 | none | 24.4 | 13.2 | 2133 | 86 | |
6. | Leica M Typ 262 | Full Frame | 23.7 | 5952 | 3976 | none | 24.8 | 13.7 | 2478 | 90 | |
7. | Leica M9 | Full Frame | 18.1 | 5212 | 3472 | none | 22.5 | 11.7 | 884 | 69 | |
8. | Nikon D3000 | APS-C | 10.0 | 3872 | 2592 | none | 22.3 | 11.1 | 563 | 62 | |
9. | Nikon D5000 | APS-C | 12.2 | 4288 | 2848 | 720/24p | 22.7 | 12.5 | 868 | 72 | |
10. | Nikon D40X | APS-C | 10.0 | 3872 | 2592 | none | 22.4 | 11.4 | 516 | 63 | |
11. | Nikon D80 | APS-C | 10.0 | 3872 | 2592 | none | 22.1 | 11.2 | 524 | 61 | |
12. | Olympus E-420 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.5 | 10.4 | 527 | 56 | |
13. | Olympus E-410 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.1 | 10.0 | 494 | 51 | |
14. | Olympus E-510 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.2 | 10.0 | 442 | 52 | |
15. | Olympus E-500 | Four Thirds | 8.0 | 3264 | 2448 | none | 20.7 | 10.3 | 45 | 51 | |
16. | Panasonic L10 | Four Thirds | 10.0 | 3648 | 2736 | none | 21.3 | 10.8 | 429 | 55 | |
Note: DXO values in italics represent estimates based on sensor size and age. |
Feature comparison
Apart from body and sensor, cameras can and do differ across a range of features. The M8 and the E-400 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 table below summarizes some of the other core capabilities of the Leica M8 and Olympus E-400 in connection with corresponding information for a sample of similar cameras.

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. | Leica M8 | optical | n | 2.5 / 230 | fixed | n | 1/8000s | 2.0/s | n | n | |
2. | Olympus E-400 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 3.0/s | Y | n | |
3. | Canon 1100D | optical | n | 2.7 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
4. | Canon 400D | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
5. | Leica M10 | optical | n | 3.0 / 1037 | fixed | n | 1/4000s | 5.0/s | n | n | |
6. | Leica M Typ 262 | optical | n | 3.0 / 921 | fixed | n | 1/4000s | 3.0/s | n | n | |
7. | Leica M9 | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 2.0/s | n | n | |
8. | Nikon D3000 | optical | n | 3.0 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
9. | Nikon D5000 | optical | n | 2.7 / 230 | full-flex | n | 1/4000s | 4.0/s | Y | n | |
10. | Nikon D40X | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
11. | Nikon D80 | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
12. | Olympus E-420 | optical | n | 2.7 / 215 | fixed | n | 1/4000s | 3.5/s | Y | n | |
13. | Olympus E-410 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 3.0/s | Y | n | |
14. | Olympus E-510 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 3.0/s | Y | Y | |
15. | Olympus E-500 | optical | n | 2.5 / 215 | fixed | n | 1/4000s | 2.5/s | Y | n | |
16. | Panasonic L10 | optical | n | 2.5 / 207 | swivel | n | 1/4000s | 3.0/s | Y | n | |
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
One difference between the cameras concerns the presence of an on-board flash. The E-400 has one, while the M8 does not. While the built-in flash of the E-400 is not very powerful, it can at times be useful as a fill-in light.
The M8 writes its imaging data to SDXC cards, while the E-400 uses Compact Flash or xD Picture cards. The E-400 features dual card slots, which can be very useful in case a memory card fails. In contrast, the M8 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 Leica M8 and Olympus E-400 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica M8 | Y | - / - | - | - | - | 2.0 | - | - | - | |
2. | Olympus E-400 | Y | - / - | - | - | - | 2.0 | - | - | - | |
3. | Canon 1100D | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
4. | Canon 400D | Y | - / - | - | - | - | 2.0 | - | - | - | |
5. | Leica M10 | Y | - / - | - | - | - | - | Y | - | - | |
6. | Leica M Typ 262 | Y | - / - | - | - | - | 2.0 | - | - | - | |
7. | Leica M9 | Y | - / - | - | - | - | 2.0 | - | - | - | |
8. | Nikon D3000 | Y | - / - | - | - | - | 2.0 | - | - | - | |
9. | Nikon D5000 | Y | mono / mono | - | - | mini | 2.0 | - | - | - | |
10. | Nikon D40X | Y | - / - | - | - | - | 2.0 | - | - | - | |
11. | Nikon D80 | Y | - / - | - | - | - | 2.0 | - | - | - | |
12. | Olympus E-420 | Y | - / - | - | - | - | 2.0 | - | - | - | |
13. | Olympus E-410 | Y | - / - | - | - | - | 2.0 | - | - | - | |
14. | Olympus E-510 | Y | - / - | - | - | - | 2.0 | - | - | - | |
15. | Olympus E-500 | Y | - / - | - | - | - | 2.0 | - | - | - | |
16. | Panasonic L10 | Y | - / - | - | - | - | 2.0 | - | - | - |
Both the M8 and the E-400 have been discontinued, but can regularly be found used on ebay. The M8 was replaced by the Leica M9, while the E-400 was followed by the Olympus E-410. Further information on the features and operation of the M8 and E-400 can be found, respectively, in the Leica M8 Manual (free pdf) or the online Olympus E-400 Manual.
Review summary
So how do things add up? Is there a clear favorite between the Leica M8 and the Olympus E-400? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

Reasons to prefer the Leica M8:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
- Richer colors: The pixel size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- More prestigious: Has the Leica luxury appeal, which ensures a high resale price.

Advantages of the Olympus E-400:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Faster burst: Shoots at higher frequency (3 vs 2 flaps/sec) to capture the decisive moment.
- Less heavy: Has a lower weight (by 156g or 26 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More affordable: Was introduced into a lower priced category (87 percent cheaper at launch).
If the count of relative strengths (bullet points above) is taken as a measure, the M8 comes out slightly ahead of the E-400 (7 : 6 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
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 M8 or the E-400. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.
Expert reviews
This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular 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.

Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Leica M8 | .. | .. | .. | + + | .. | .. | Sep 2006 | 5,499 | ebay.com | |
2. | Olympus E-400 | .. | 85/100 | .. | .. | 4/5 | 4/5 | Sep 2006 | 699 | ebay.com | |
3. | Canon 1100D | .. | 80/100 | .. | 69/100 | 4/5 | 4.5/5 | Feb 2011 | 449 | ebay.com | |
4. | Canon 400D | .. | + + | .. | + + | o | 4/5 | Aug 2006 | 799 | ebay.com | |
5. | Leica M10 | 4.5/5 | .. | .. | .. | 4/5 | 4.5/5 | Jan 2017 | 6,595 | ebay.com | |
6. | Leica M Typ 262 | .. | .. | .. | .. | .. | .. | Nov 2015 | 5,195 | ebay.com | |
7. | Leica M9 | .. | .. | .. | .. | 4.5/5 | .. | Sep 2009 | 7,999 | ebay.com | |
8. | Nikon D3000 | .. | + | .. | 72/100 | 4/5 | 4.5/5 | Jul 2009 | 599 | ebay.com | |
9. | Nikon D5000 | .. | + + | .. | 75/100 | 4/5 | 4.5/5 | Apr 2009 | 749 | ebay.com | |
10. | Nikon D40X | .. | 79/100 | .. | + + | 4/5 | 4/5 | Mar 2007 | 729 | ebay.com | |
11. | Nikon D80 | .. | + | .. | + + | o | 4.5/5 | Aug 2006 | 999 | ebay.com | |
12. | Olympus E-420 | .. | 85/100 | .. | + + | 4/5 | 4.5/5 | Mar 2008 | 599 | ebay.com | |
13. | Olympus E-410 | .. | 86/100 | .. | + + | 4/5 | 4.5/5 | Mar 2007 | 699 | ebay.com | |
14. | Olympus E-510 | .. | 89/100 | .. | + + | 3.5/5 | 4.5/5 | Mar 2007 | 799 | ebay.com | |
15. | Olympus E-500 | .. | 76/100 | .. | + + | .. | .. | Sep 2005 | 599 | ebay.com | |
16. | Panasonic L10 | .. | 85/100 | .. | + | 3.5/5 | 4/5 | Aug 2007 | 599 | ebay.com | |
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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? If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.
- Canon Rebel vs Leica M8
- Canon T4i vs Olympus E-400
- Canon XT vs Olympus E-400
- Leica D-LUX 5 vs Leica M8
- Leica M-E Typ 240 vs Olympus E-400
- Leica M8 vs Nikon 1 J5
- Leica M8 vs Olympus E-M5 II
- Leica M8 vs Olympus PEN-F
- Leica M8 vs Sony RX0
- Nikon Coolpix A vs Olympus E-400
- Nikon D750 vs Olympus E-400
- Olympus E-400 vs Olympus E-P1
Specifications: Leica M8 vs Olympus E-400
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 Model | Leica M8 | Olympus E-400 |
Camera Type | Rangefinder camera | Digital single lens reflex |
Camera Lens | Leica M mount lenses | Four Thirds lenses |
Launch Date | September 2006 | September 2006 |
Launch Price | USD 5,499 | USD 699 |
Sensor Specs | Leica M8 | Olympus E-400 |
---|---|---|
Sensor Technology | CCD | CMOS |
Sensor Format | APS-H Sensor | Four Thirds Sensor |
Sensor Size | 27.0 x 18.0 mm | 17.3 x 13.0 mm |
Sensor Area | 486 mm2 | 224.9 mm2 |
Sensor Diagonal | 32.4 mm | 21.6 mm |
Crop Factor | 1.3x | 2.0x |
Sensor Resolution | 10.4 Megapixels | 10 Megapixels |
Image Resolution | 3936 x 2630 pixels | 3648 x 2736 pixels |
Pixel Pitch | 6.84 μm | 4.74 μm |
Pixel Density | 2.13 MP/cm2 | 4.44 MP/cm2 |
Moiré control | no AA filter | Anti-Alias filter |
Movie Capability | no Video | no Video |
ISO Setting | 160 - 2,500 ISO | 100 - 1,600 ISO |
DXO Sensor Quality (score) | 59 | .. |
DXO Color Depth (bits) | 21.1 | .. |
DXO Dynamic Range (EV) | 11.3 | .. |
DXO Low Light (ISO) | 663 | .. |
Screen Specs | Leica M8 | Olympus E-400 |
Viewfinder Type | Optical viewfinder | Optical viewfinder |
Viewfinder Field of View | 100% | 95% |
Viewfinder Magnification | 0.46x | |
Rear LCD Size | 2.5inch | 2.5inch |
LCD Resolution | 230k dots | 215k dots |
LCD Attachment | Fixed screen | Fixed screen |
Shooting Specs | Leica M8 | Olympus E-400 |
Focus System | Manual Focus | Phase-detect AF |
Continuous Shooting | 2 shutter flaps/s | 3 shutter flaps/s |
Fill Flash | no On-Board Flash | Built-in Flash |
Storage Medium | SDXC cards | CF or XD cards |
Single or Dual Card Slots | Single card slot | Dual card slots |
Connectivity Specs | Leica M8 | Olympus E-400 |
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 | Leica M8 | Olympus E-400 |
Battery Type | BLI-312 | BLS-1 |
Body Dimensions |
139 x 80 x 37 mm (5.5 x 3.1 x 1.5 in) |
130 x 91 x 53 mm (5.1 x 3.6 x 2.1 in) |
Camera Weight | 591 g (20.8 oz) | 435 g (15.3 oz) |

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