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Canon XTi vs Panasonic S1

The Canon EOS Rebel XTi (called Canon 400D in some regions) and the Panasonic Lumix DC-S1 are two digital cameras that were announced, respectively, in August 2006 and February 2019. The XTi is a DSLR, while the S1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (XTi) and a full frame (S1) sensor. The Canon has a resolution of 10.1 megapixels, whereas the Panasonic provides 24 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
Panasonic S1
Canon XTi   Panasonic S1
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Leica L mount lenses
10.1 MP – APS-C sensor 24 MP – Full Frame sensor
no Video 4K/60p Video
ISO 100-1,600 ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (5760k dots)
2.5" LCD – 230k dots 2.5" LCD – 2100k dots
Fixed screen (not touch-sensitive) Fully flexible touchscreen
3 shutter flaps per second 9 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
370 shots per battery charge400 shots per battery charge
127 x 84 x 65 mm, 556 g 149 x 110 x 97 mm, 1017 g
Canon XTi:
Check Ebay offers
Panasonic S1:
Check Amazon price

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel XTi and the Panasonic Lumix DC-S1? 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 Canon XTi and the Panasonic S1. 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 Panasonic S1
Compare XTi versus S1 top
Comparison XTi or S1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic S1 is considerably larger (54 percent) than the Canon XTi. Moreover, the S1 is substantially heavier (83 percent) than the XTi. It is noteworthy in this context that the S1 is splash and dust-proof, while the XTi does not feature any corresponding weather-sealing.

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.

Concerning battery life, the XTi gets 370 shots out of its NB-2LH battery, while the S1 can take 400 images on a single charge of its DMW-BLJ31 power pack. The power pack in the S1 can be charged via the USB port, which can be very convenient when travelling.

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.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 i
4.
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
5.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
6.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849i
7.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449i
8.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699i
9.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799i
10.
 
Canon XSi 129 mm 98 mm 62 mm 524 g 500 n Jan 2008 799i
11.
 
Canon 40D 146 mm 108 mm 74 mm 822 g 750 n Aug 2007 1,299i
12.
 
Canon XT 127 mm 94 mm 64 mm 540 g 400 n Feb 2005 899i
13.
 
Canon Rebel 142 mm 99 mm 72 mm 649 g 400 n Aug 2003 899i
14.
 
Olympus E-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999 i
15.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 i
16.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 i
17.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 i
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 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 68 percent) than the S1, 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 size of the imaging sensor is a crucial determinant 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon XTi features an APS-C sensor and the Panasonic S1 a full frame sensor. The sensor area in the S1 is 157 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.

In terms of underlying technology, both cameras are build around CMOS sensors.

Canon XTi and Panasonic S1 sensor measures

With 24MP, the S1 offers a higher resolution than the XTi (10.1MP), but the S1 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 5.71μm for the XTi) due to its larger sensor. Moreover, the S1 is a much more recent model (by 12 years and 5 months) than the XTi, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic S1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1 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.

Unlike the XTi, the S1 has the capacity to capture high quality composite images (96MP) by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Canon EOS Rebel XTi has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Panasonic Lumix DC-S1 are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

XTi versus S1 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"). Of the two cameras under consideration, the S1 offers substantially better image quality than the XTi (overall score 33 points higher). The advantage is based on 3.1 bits higher color depth, 3.5 EV in additional dynamic range, and 2.3 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 XTi APS-C 10.1 3888 2592none22.111.066462
2.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
3.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
4.
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
5.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
6.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
7.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
8.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
9.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
10.
 
Canon XSi APS-C 12.2 4272 2848none21.910.869261
11.
 
Canon 40D APS-C 10.1 3888 2592none22.111.370364
12.
 
Canon XT APS-C 8.0 3456 2304none21.810.863760
13.
 
Canon Rebel APS-C 6.3 3072 2048none21.010.854455
14.
 
Olympus E-M1X Four Thirds 20.2 5184 38884K/30p23.213.0125475
15.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
16.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
17.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The S1 indeed provides for movie recording, while the XTi does not. The highest resolution format that the S1 can use is 4K/60p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the S1 has an electronic viewfinder (5760k dots), while the XTi has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the S1 offers a wider field of view (100%) than the one in the XTi (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the S1 has a higher magnification (0.78x 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 Panasonic S1 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
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.
 
Canon XTioptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
3.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon T6ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon T6soptical Y3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
6.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
7.
 
Canon T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
8.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
9.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
10.
 
Canon XSioptical n3.0 / 230 fixed n 1/4000s 3.5/s Y n
11.
 
Canon 40Doptical Y3.0 / 230 fixed n 1/8000s 6.5/s Y n
12.
 
Canon XToptical n1.8 / 115 fixed n 1/4000s 3.0/s Y n
13.
 
Canon Rebeloptical n1.8 / 118 fixed n 1/4000s 2.5/s Y n
14.
 
Olympus E-M1X2360 n3.0 / 1037 swivel Y 1/8000s 18.0/s n Y
15.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
16.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
17.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
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 XTi has one, while the S1 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.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the S1 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Panasonic S1 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 XTi writes its imaging data to Compact Flash cards, while the S1 uses SDXC or XQD cards. The S1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the XTi 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 Canon EOS Rebel XTi and Panasonic Lumix DC-S1 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
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon XTiY- / ----2.0---
2.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Canon T6iYstereo / monoY-mini2.0YY-
5.
 
Canon T6sYstereo / monoY-mini2.0YY-
6.
 
Canon T4iYstereo / monoY-mini2.0---
7.
 
Canon T3Ystereo / mono--mini2.0---
8.
 
Canon T2iYstereo / -Y-mini2.0---
9.
 
Canon T1iYmono / mono--mini2.0---
10.
 
Canon XSiY- / ---mini2.0---
11.
 
Canon 40DY- / ----2.0---
12.
 
Canon XTY- / ----2.0---
13.
 
Canon RebelY- / ----1.1---
14.
 
Olympus E-M1XYstereo / monoYYmicro3.0Y-Y
15.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
16.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
17.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y

It is notable that the S1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the XTi does not provide wifi capability.

Studio photographers will appreciate that the Panasonic S1 (unlike the XTi) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The S1 is a recent model that features in the current product line-up of Panasonic. 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 and Panasonic websites.

Review summary

So how do things add up? Is there a clear favorite between the Canon XTi and the Panasonic S1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Canon EOS Rebel XTi:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (127x84mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 461g or 45 percent) and hence easier to carry around.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (68 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in August 2006).

ilogo

Arguments in favor of the Panasonic Lumix DC-S1:

  • More detail: Has more megapixels (24 vs 10.1MP), which boosts linear resolution by 54%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (33 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.1 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.5 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.3 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 4K/60p video.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.49x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 230k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (9 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More modern: Reflects 12 years and 5 months of technical progress since the XTi launch.

If the number of relative strengths (bullet points above) is taken as a guide, the S1 is the clear winner of the contest (30 : 7 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 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.

XTi 07:30 S1

How about other alternatives? Do the specifications of the Canon XTi and the Panasonic S1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings 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 says little about, for example, the shooting experience and imaging performance of the XTi and the S1 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon XTi..+ +..+ +o4/5 Aug 2006 799i
2.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 i
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 i
4.
 
Canon T6i5/5....75/1004.5/54.5/5 Feb 2015 749i
5.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 649i
6.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 849i
7.
 
Canon T3..80/100..69/1004/54.5/5 Feb 2011 449i
8.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699i
9.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 799i
10.
 
Canon XSi..+ +..+ +4/54.5/5 Jan 2008 799i
11.
 
Canon 40D..+ +..+ +4.5/54.5/5 Aug 2007 1,299i
12.
 
Canon XT..80/100..+ +o.. Feb 2005 899i
13.
 
Canon Rebel......+ +.... Aug 2003 899i
14.
 
Olympus E-M1X4.5/5o5/585/1004.5/5.. Jan 2019 2,999 i
15.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 i
16.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 i
17.
 
Panasonic S1H....4/590/100.... May 2019 3,999 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Canon XTi:
Check Ebay offers
Panasonic S1:
Check Amazon price

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon XTi vs Panasonic S1

    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 Panasonic S1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Leica L mount lenses
    Launch Date August 2006 February 2019
    Launch Price USD 799 USD 2,499
    Sensor Specs Canon XTi Panasonic S1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.2 x 14.8 mm 35.6 x 23.8 mm
    Sensor Area 328.56 mm2 847.28 mm2
    Sensor Diagonal 26.7 mm 42.8 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 10.1 Megapixels 24 Megapixels
    Image Resolution 3888 x 2592 pixels 6000 x 4000 pixels
    Pixel Pitch 5.71 μm 5.94 μm
    Pixel Density 3.07 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 4K/60p Video
    ISO Setting 100 - 1,600 ISO 100 - 51,200 ISO
    ISO Boost no Enhancement 50 - 204,800 ISO
    Image Processor DIGIC II Venus
    DXO Sensor Quality (score) 62 95
    DXO Color Depth (bits) 22.1 25.2
    DXO Dynamic Range (EV) 11.0 14.5
    DXO Low Light (ISO) 664 3333
    Screen Specs Canon XTi Panasonic S1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.49x 0.78x
    Viewfinder Resolution 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 2.5inch 3.2inch
    LCD Resolution 230k dots 2100k dots
    LCD Attachment Fixed screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon XTi Panasonic S1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy50 000 actuations400 000 actuations
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium CF cards SDXC or XQD cards
    Second Storage Option Single card slot Dual card slots
    Connectivity Specs Canon XTi Panasonic S1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port no HDMI full HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon XTi Panasonic S1
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NB-2LH DMW-BLJ31
    Battery Life (CIPA)370 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 127 x 84 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 556 g (19.6 oz) 1017 g (35.9 oz)
    Canon XTi:
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    Panasonic S1:
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