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Canon XTi vs Contax N Digital

The Canon EOS Rebel XTi (called Canon 400D in some regions) and the Contax N Digital are two digital cameras that were announced, respectively, in August 2006 and February 2002. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (XTi) and a full frame (N Digital) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Contax provides 6.1 MP.

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

Headline Specifications
Canon XTi versus Contax N Digital
Canon XTi Contax N Digital
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Contax N mount lenses
10.1 MP, APS-C Sensor 6.1 MP, Full Frame Sensor
no Video no Video
ISO 100-1,600 ISO 50-1,600
Optical viewfinder Optical viewfinder
2.5 LCD, 230k dots 2.0 LCD, 200k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 4 shutter flaps per second
370 shots per battery charge100 shots per battery charge
127 x 84 x 65 mm, 556 g 152 x 138 x 80 mm, 990 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel XTi and the Contax N Digital? 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 physical size and weight of the Canon XTi and the Contax N Digital are illustrated in the side-by-side display below. 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 Canon XTi vs Contax N Digital
Compare XTi versus N Digital top
Comparison XTi or N Digital rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Contax N Digital is considerably larger (97 percent) than the Canon XTi. Moreover, the N Digital is substantially heavier (78 percent) than the XTi. In this context, it is worth noting that neither the XTi nor the N Digital 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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

As can be seen in the images above, the N Digital has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the XTi, Canon provides the BG-E3 vertical grip as an optional accessory (see here on eBay).

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799i
2.
 
Contax N Digital 152 mm 138 mm 80 mm 990 g 100 n Feb 2002 7,399i
3.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
4.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
5.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849i
6.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449i
7.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
8.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799i
9.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799i
10.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299i
11.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899i
12.
 
Canon 10D 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999i
13.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899i
14.
 
Canon D60 150 mm 107 mm 75 mm 855 g 620 n Feb 2002 2,999i
15.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 i
16.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
17.
 
Leica M9 139 mm 80 mm 37 mm 585 g .. n Sep 2009 7,999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The XTi was launched at a markedly lower price (by 89 percent) than the N Digital, 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.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 Canon XTi features an APS-C sensor and the Contax N Digital a full frame sensor. The sensor area in the N Digital is 163 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon XTi and Contax N Digital sensor measures

Despite having a smaller sensor, the Canon XTi offers a higher resolution of 10.1 megapixels, compared with 6.1 MP of the Contax N Digital. 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 5.71μm versus 11.90μm for the N Digital). However, it should be noted that the XTi is much more recent (by 4 years and 5 months) than the N Digital, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon XTi implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the XTi for good quality output (200 dots per inch) amounts to 19.4 x 13 inches or 49.4 x 32.9 cm, for very good quality (250 dpi) 15.6 x 10.4 inches or 39.5 x 26.3 cm, and for excellent quality (300 dpi) 13 x 8.6 inches or 32.9 x 21.9 cm. The corresponding values for the Contax N Digital are 15.2 x 10 inches or 38.6 x 25.5 cm for good quality, 12.2 x 8 inches or 30.9 x 20.4 cm for very good quality, and 10.1 x 6.7 inches or 25.7 x 17 cm for excellent quality prints.

The Canon EOS Rebel XTi has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Contax N Digital are ISO 50 to ISO 1600 (no boost).

XTi versus N Digital MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
2.
 
Contax N Digital Full Frame 6.1 3040 2008none........
3.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
4.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
5.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
6.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
7.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
8.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
9.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
10.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
11.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
12.
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157
13.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
14.
 
Canon D60 APS-C 6.3 3072 2048none........
15.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
16.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
17.
 
Leica M9 Full Frame 18.1 5212 3472none22.511.788469
Neither the XTi nor the N Digital 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.
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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The XTi and the N Digital 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 N Digital has a higher magnification than the one of the XTi (0.73x vs 0.49x), 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 Canon XTi and Contax N Digital along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon XTioptical n 2.5 230 fixed n 1/4000s 3.0 Y n
2.
 
Contax N Digitaloptical Y 2.0 200 fixed n 1/8000s 4.0 n n
3.
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
4.
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
5.
 
Canon T4ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
6.
 
Canon T3optical n 2.7 230 fixed n 1/4000s 3.0 Y n
7.
 
Canon T2ioptical n 3.0 1040 fixed n 1/4000s 3.7 Y n
8.
 
Canon T1ioptical n 3.0 920 fixed n 1/4000s 3.4 Y n
9.
 
Canon XSioptical n 3.0 230 fixed n 1/4000s 3.5 Y n
10.
 
Canon 40Doptical Y 3.0 230 fixed n 1/8000s 6.5 Y n
11.
 
Canon XToptical n 1.8 115 fixed n 1/4000s 3.0 Y n
12.
 
Canon 10Doptical Y 1.8 118 fixed n 1/4000s 3.0 Y n
13.
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n
14.
 
Canon D60optical Y 1.8 114 fixed n 1/4000s 3.0 Y n
15.
 
Leica M10optical n 3.0 1037 fixed n 1/4000s 5.0 n n
16.
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
17.
 
Leica M9optical n 2.5 230 fixed n 1/4000s 2.0 n n

One difference between the cameras concerns the presence of an on-board flash. The XTi has one, while the N Digital does not. While the built-in flash of the XTi is not very powerful, it can at times be useful as a fill-in light.

Concerning the storage of imaging data, both the XTi and the N Digital write their files to Compact Flash cards.

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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 Canon EOS Rebel XTi and Contax N Digital and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon XTiY-----2.0---
2.
 
Contax N DigitalY-----FW---
3.
 
Canon T6iYstereomonoY-mini2.0YY-
4.
 
Canon T6sYstereomonoY-mini2.0YY-
5.
 
Canon T4iYstereomonoY-mini2.0---
6.
 
Canon T3Ystereomono--mini2.0---
7.
 
Canon T2iYstereo-Y-mini2.0---
8.
 
Canon T1iYmonomono--mini2.0---
9.
 
Canon XSiY----mini2.0---
10.
 
Canon 40DY-----2.0---
11.
 
Canon XTY-----2.0---
12.
 
Canon 10DY-----1.1---
13.
 
Canon RebelY-----1.1---
14.
 
Canon D60Y-----1.1---
15.
 
Leica M10Y------Y--
16.
 
Leica SLYstereomonoYYfull3.0Y--
17.
 
Leica M9Y-----2.0---

Studio photographers will appreciate that the Contax N Digital (unlike the XTi) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the XTi and the N Digital have been discontinued, but can regularly be found used on eBay. The XTi was replaced by the Canon Xsi, while the N Digital does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Contax websites.

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Review summary

So what conclusions can be drawn? Is the Canon XTi better than the Contax N Digital or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Canon EOS Rebel XTi:

  • More detail: Offers more megapixels (10.1 vs 6.1MP) with a 28% higher linear resolution.
  • Larger screen: Has a bigger rear LCD (2.5" vs 2.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (230k vs 200k dots).
  • More compact: Is smaller (127x84mm vs 152x138mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 434g or 44 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (370 versus 100) on a single battery charge.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (89 percent cheaper at launch).
  • More modern: Reflects 4 years and 5 months of technical progress since the N Digital launch.

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Arguments in favor of the Contax N Digital:

  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.73x vs 0.49x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been around for much longer (launched in February 2002).

If the count of relative strengths (bullet points above) is taken as a measure, the XTi emerges as the winner of the contest (9 : 7 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.

XTi 09:07 N Digital

How about other alternatives? Do the specifications of the Canon XTi and the Contax N Digital 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the XTi or the N Digital perform in practice. 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 why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon XTi..+ ++ +o4/5 Aug 2006 799i
2.
 
Contax N Digital.......... Feb 2002 7,399i
3.
 
Canon T6i5/5..75/1004.5/54.5/5 Feb 2015 749i
4.
 
Canon T6s5/5+77/1004.5/54.5/5 Feb 2015 649i
5.
 
Canon T4i4/5+ +77/1004.5/54.5/5 Jun 2012 849i
6.
 
Canon T3..80/10069/1004/54.5/5 Feb 2011 449i
7.
 
Canon T2i..+ +77/1004/54.5/5 Feb 2010 699i
8.
 
Canon T1i..+ +74/1004.5/54.5/5 Mar 2009 799i
9.
 
Canon XSi..+ ++ +4/54.5/5 Jan 2008 799i
10.
 
Canon 40D..+ ++ +4.5/54.5/5 Aug 2007 1,299i
11.
 
Canon XT..80/100+ +o.. Feb 2005 899i
12.
 
Canon 10D....+ +.... Feb 2003 1,999i
13.
 
Canon Rebel....+ +.... Aug 2003 899i
14.
 
Canon D60....+ +o.. Feb 2002 2,999i
15.
 
Leica M104.5/5....4/54.5/5 Jan 2017 6,595 i
16.
 
Leica SL4/5..84/1004.5/54/5 Oct 2015 7,450i
17.
 
Leica M9......4.5/5.. Sep 2009 7,999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon XTi:
Check Ebay offers
Contax N Digital:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon XTi vs Contax N Digital

    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 Canon XTi Contax N Digital
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Contax N mount lenses
    Launch Date August 2006 February 2002
    Launch Price USD 799 USD 7,399
    Sensor Specs Canon XTi Contax N Digital
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.2 x 14.8 mm 36.0 x 24.0 mm
    Sensor Area 328.56 mm2 864 mm2
    Sensor Diagonal 26.7 mm 43.3 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 10.1 Megapixels 6.1 Megapixels
    Image Resolution 3888 x 2592 pixels 3040 x 2008 pixels
    Pixel Pitch 5.71 μm 11.90 μm
    Pixel Density 3.07 MP/cm2 0.71 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability no Video no Video
    ISO Setting 100 - 1,600 ISO 50 - 1,600 ISO
    DXO Sensor Quality (score) 62 ..
    DXO Color Depth (bits) 22.1 ..
    DXO Dynamic Range (EV) 11.0 ..
    DXO Low Light (ISO) 664 ..
    Screen Specs Canon XTi Contax N Digital
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.49x 0.73x
    Top-Level Screen no Top Display Control Panel
    Rear LCD Size 2.5inch 2.0inch
    LCD Resolution 230k dots 200k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon XTi Contax N Digital
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 4 shutter flaps/s
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium CF cards CF cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon XTi Contax N Digital
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 Firewire
    HDMI Port no HDMI no HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Canon XTi Contax N Digital
    Battery Type NB-2LH 4xAA
    Battery Life (CIPA)370 shots per charge100 shots per charge
    Body Dimensions 127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    152 x 138 x 80 mm
    (6.0 x 5.4 x 3.1 in)
    Camera Weight 556 g (19.6 oz) 990 g (34.9 oz)

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