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Canon T8i vs XTi

The Canon EOS Rebel T8i (called Canon 850D in some regions) and the Canon EOS Rebel XTi (labelled Canon 400D in some countries) are two digital cameras that were revealed to the public, respectively, in February 2020 and August 2006. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The T8i has a resolution of 24 megapixels, whereas the XTi provides 10.1 MP.

As their names suggest, both the Canon EOS Rebel T8i and the Canon EOS Rebel XTi belong to Canon's Rebel line of DSLR cameras. This range of APS-C cameras, which started out with the Canon EOS Digital Rebel in 2003, has been a big commercial success and the backbone of Canon's dominance in the digital camera market. The popularity of the Rebel cameras is the result of them inheriting much of the sensor and shooting technology from earlier released professional DSLRs, while being sold at a much more budget-friendly price point. The strong brand reputation of Canon and the comprehensive EOS system of compatible lenses and accessories further contributes to the appeal of the Rebel cams, including the Canon T8i and Canon XTi. Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon T8i versus Canon XTi
Canon T8i Canon XTi
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Canon EF mount lenses
24 MP, APS-C Sensor 10.1 MP, APS-C Sensor
4K/24p Video no Video
ISO 100-25,600 (100 - 51,200) ISO 100-1,600
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 2.5 LCD, 230k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
7.5 shutter flaps per second 3 shutter flaps per second
800 shots per battery charge370 shots per battery charge
131 x 103 x 76 mm, 515 g 127 x 84 x 65 mm, 556 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T8i and the Canon EOS Rebel XTi? 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 T8i and the Canon XTi 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 measures are rounded to the nearest millimeter.

Size Canon T8i vs Canon XTi
Compare T8i versus XTi top
Comparison T8i or XTi rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon XTi is notably smaller (21 percent) than the Canon T8i. However, the XTi is markedly heavier (8 percent) than the T8i. In this context, it is worth noting that neither the T8i nor the XTi 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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the T8i gets 800 shots out of its LP-E17 battery, while the XTi can take 370 images on a single charge of its NB-2LH power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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 T8i 131 mm 103 mm 76 mm 515 g 800 n Feb 2020 749 i
2.
 
Canon XTi 127 mm 84 mm 65 mm 556 g 370 n Aug 2006 799i
3.
 
Canon SL3 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 i
4.
 
Canon T7 129 mm 101 mm 78 mm 475 g 500 n Feb 2018 449 i
5.
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
6.
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549i
7.
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749i
8.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
9.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
10.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649i
11.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849i
12.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
13.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799i
14.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899i
15.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899i
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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The T8i was somewhat cheaper (by 6 percent) than the XTi at launch, but both cameras fall into the same price category. 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the XTi is 1 percent smaller. They nevertheless have the same format factor of 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

In terms of chip-set technology, the T8i uses a more advanced image processing engine (DIGIC 8) than the XTi (DIGIC II), with benefits for noise reduction, color accuracy, and processing speed.

Canon T8i and Canon XTi sensor measures

With 24MP, the T8i offers a higher resolution than the XTi (10.1MP), but the T8i has smaller individual pixels (pixel pitch of 3.72μm versus 5.71μm for the XTi). However, the T8i is a much more recent model (by 13 years and 5 months) than the XTi, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels.

The resolution advantage of the Canon T8i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T8i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon XTi are 19.4 x 13 inches or 49.4 x 32.9 cm for good quality, 15.6 x 10.4 inches or 39.5 x 26.3 cm for very good quality, and 13 x 8.6 inches or 32.9 x 21.9 cm for excellent quality prints.

The T8i has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS Rebel T8i has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. The corresponding ISO settings for the Canon EOS Rebel XTi are ISO 100 to ISO 1600 (no boost).

T8i versus XTi MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon T8i APS-C 24.0 6000 40004K/24p........
2.
 
Canon XTi APS-C 10.1 3888 2592none22.111.066462
3.
 
Canon SL3 APS-C 24.0 6000 40004K/25p........
4.
 
Canon T7 APS-C 24.0 6000 40001080/30p........
5.
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
6.
 
Canon SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
7.
 
Canon T7i APS-C 24.0 6000 40001080/60p........
8.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
9.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
10.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
11.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
12.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
13.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
14.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
15.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455

Many modern cameras are not only capable of taking still images, but can also record movies. The T8i indeed provides movie recording capabilities, while the XTi does not. The highest resolution format that the T8i can use is 4K/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The T8i and the XTi 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 T8i has a higher magnification than the one of the XTi (0.51x vs 0.49x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon T8i, the Canon XTi, and comparable cameras.

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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 T8ioptical n 3.0 1040 swivel Y 1/4000s 7.5 Y n
2.
 
Canon XTioptical n 2.5 230 fixed n 1/4000s 3.0 Y n
3.
 
Canon SL3optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
4.
 
Canon T7optical n 3.0 920 fixed n 1/4000s 3.0 Y n
5.
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
6.
 
Canon SL2optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
7.
 
Canon T7ioptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
8.
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
9.
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
10.
 
Canon T5ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
11.
 
Canon T4ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
12.
 
Canon T2ioptical n 3.0 1040 fixed n 1/4000s 3.7 Y n
13.
 
Canon XSioptical n 3.0 230 fixed n 1/4000s 3.5 Y n
14.
 
Canon XToptical n 1.8 115 fixed n 1/4000s 3.0 Y n
15.
 
Canon Rebeloptical n 1.8 118 fixed n 1/4000s 2.5 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The T8i has a touchscreen, while the XTi has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The T8i has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the XTi does not have a selfie-screen.

The Canon T8i has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The T8i writes its imaging data to SDXC cards, while the XTi uses 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 T8i and Canon EOS Rebel XTi 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 T8iYstereomonoY-mini2.0Y-Y
2.
 
Canon XTiY-----2.0---
3.
 
Canon SL3YstereomonoY-mini2.0Y-Y
4.
 
Canon T7Ymonomono--mini2.0YY-
5.
 
Canon 77DYstereomonoY-mini2.0YYY
6.
 
Canon SL2YstereomonoY-mini2.0YYY
7.
 
Canon T7iYstereomonoY-mini2.0YYY
8.
 
Canon T6iYstereomonoY-mini2.0YY-
9.
 
Canon T6sYstereomonoY-mini2.0YY-
10.
 
Canon T5iYstereomonoY-mini2.0---
11.
 
Canon T4iYstereomonoY-mini2.0---
12.
 
Canon T2iYstereo-Y-mini2.0---
13.
 
Canon XSiY----mini2.0---
14.
 
Canon XTY-----2.0---
15.
 
Canon RebelY-----1.1---

It is notable that the T8i offers wifi support, while the XTi does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

The T8i is a recent model that features in the current product line-up of Canon. In contrast, the XTi has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the XTi was succeeded by the Canon Xsi. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

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Review summary

So how do things add up? Is the Canon T8i better than the Canon XTi or vice versa? Below is a summary of the relative strengths of each of the two contestants.


Arguments in favor of the Canon EOS Rebel T8i:

  • More detail: Offers more megapixels (24 vs 10.1MP) with a 54% higher linear resolution.
  • Better jpgs: Has a more modern image processing engine (DIGIC 8 vs DIGIC II).
  • Broader imaging potential: Can record not only still images but also 4K/24p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.51x vs 0.49x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 230k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (7.5 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (800 versus 370) on a single battery charge.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 13 years and 5 months of technical progress since the XTi launch.


Reasons to prefer the Canon EOS Rebel XTi:

  • More compact: Is smaller (127x84mm vs 131x103mm) and will fit more readily into a bag.
  • More heavily discounted: Has been around for much longer (launched in August 2006).

If the count of relative strengths (bullet points above) is taken as a measure, the T8i is the clear winner of the match-up (16 : 2 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

T8i 16:02 XTi

How about other alternatives? Do the specifications of the Canon T8i and the Canon XTi 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the T8i and the XTi in practical situations. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 T8i4.5/5+80/1004/53.5/5 Feb 2020 749 i
2.
 
Canon XTi..+ ++ +o4/5 Aug 2006 799i
3.
 
Canon SL3..o79/1004/54/5 Apr 2019 599 i
4.
 
Canon T7..o..3.5/53.5/5 Feb 2018 449 i
5.
 
Canon 77D4.5/5..82/1004.5/54/5 Feb 2017 899 i
6.
 
Canon SL24/5+ +78/1004.5/54.5/5 Jun 2017 549i
7.
 
Canon T7i4.5/5..80/1004.5/54/5 Feb 2017 749i
8.
 
Canon T6i5/5..75/1004.5/54.5/5 Feb 2015 749i
9.
 
Canon T6s5/5+77/1004.5/54.5/5 Feb 2015 649i
10.
 
Canon T5i....76/1004.5/54.5/5 Mar 2013 649i
11.
 
Canon T4i4/5+ +77/1004.5/54.5/5 Jun 2012 849i
12.
 
Canon T2i..+ +77/1004/54.5/5 Feb 2010 699i
13.
 
Canon XSi..+ ++ +4/54.5/5 Jan 2008 799i
14.
 
Canon XT..80/100+ +o.. Feb 2005 899i
15.
 
Canon Rebel....+ +.... Aug 2003 899i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon T8i:
Check Amazon price
Canon XTi:
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. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Canon T8i vs Canon XTi

    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 T8i Canon XTi
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Canon EF mount lenses
    Launch Date February 2020 August 2006
    Launch Price USD 749 USD 799
    Sensor Specs Canon T8i Canon XTi
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 22.2 x 14.8 mm
    Sensor Area 332.27 mm2 328.56 mm2
    Sensor Diagonal 26.8 mm 26.7 mm
    Crop Factor 1.6x 1.6x
    Sensor Resolution 24 Megapixels 10.1 Megapixels
    Image Resolution 6000 x 4000 pixels 3888 x 2592 pixels
    Pixel Pitch 3.72 μm 5.71 μm
    Pixel Density 7.22 MP/cm2 3.07 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/24p Video no Video
    ISO Setting 100 - 25,600 ISO 100 - 1,600 ISO
    ISO Boost 100 - 51,200 ISO no Enhancement
    Image Processor DIGIC 8 DIGIC II
    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 T8i Canon XTi
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 95%
    Viewfinder Magnification 0.51x 0.49x
    LCD Framing Live View
    Rear LCD Size 3.0inch 2.5inch
    LCD Resolution 1040k dots 230k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon T8i Canon XTi
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 7.5 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy100 000 actuations50 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards CF cards
    Second Storage Option Single card slot Single card slot
    Connectivity Specs Canon T8i Canon XTi
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Canon T8i Canon XTi
    Battery Type LP-E17 NB-2LH
    Battery Life (CIPA)800 shots per charge370 shots per charge
    Body Dimensions 131 x 103 x 76 mm
    (5.2 x 4.1 x 3.0 in)
    127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    Camera Weight 515 g (18.2 oz) 556 g (19.6 oz)

    Did you notice an error on this page? If so, please get in touch, so that we can correct the information.

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