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Canon T3i vs Panasonic S1

The Canon EOS Rebel T3i (called Canon 600D in some regions) and the Panasonic Lumix DC-S1 are two digital cameras that were revealed to the public, respectively, in February 2011 and February 2019. The T3i is a DSLR, while the S1 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (T3i) and a full frame (S1) sensor. The Canon has a resolution of 17.9 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 T3i
versus
Panasonic S1
Canon T3i   Panasonic S1
Digital single lens reflex Mirrorless system camera
Canon EF mount lenses Leica L mount lenses
17.9 MP – APS-C sensor 24 MP – Full Frame sensor
1080/30p Video 4K/60p Video
ISO 100-6,400 (100 - 12,800) ISO 100-51,200 (50 - 204,800)
Optical viewfinder Electronic viewfinder (5760k dots)
3.0" LCD – 1040k dots 3.2" LCD – 2100k dots
Swivel screen (not touch-sensitive) Fully flexible touchscreen
3.7 shutter flaps per second 9 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
440 shots per battery charge400 shots per battery charge
133 x 100 x 80 mm, 570 g 149 x 110 x 97 mm, 1017 g
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Check T3i offers at
ebay.com
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Check S1 price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS Rebel T3i 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

An illustration of the physical size and weight of the Canon T3i and the Panasonic S1 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

Size Canon T3i vs Panasonic S1
Compare T3i versus S1 top
Comparison T3i 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 notably larger (23 percent) than the Canon T3i. Moreover, the S1 is substantially heavier (78 percent) than the T3i. It is noteworthy in this context that the S1 is splash and dust-proof, while the T3i 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 T3i gets 440 shots out of its LP-E8 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 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.

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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 T3i 133 mm 100 mm 80 mm 570 g 440 n Feb 2011 599ebay.com
2.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
3.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
4.
 
Canon SL2 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
5.
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649ebay.com
6.
 
Canon T5 130 mm 100 mm 78 mm 480 g 500 n Feb 2014 449ebay.com
7.
 
Canon SL1 117 mm 91 mm 69 mm 407 g 380 n Mar 2013 549ebay.com
8.
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649ebay.com
9.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 599ebay.com
10.
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849ebay.com
11.
 
Canon T3 130 mm 100 mm 78 mm 495 g 700 n Feb 2011 449ebay.com
12.
 
Canon T2i 129 mm 98 mm 62 mm 530 g 440 n Feb 2010 699ebay.com
13.
 
Canon T1i 129 mm 98 mm 62 mm 520 g 400 n Mar 2009 799ebay.com
14.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
15.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
16.
 
Panasonic S1H 151 mm 114 mm 110 mm 1052 g 400 Y May 2019 3,999 amazon.com
17.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The T3i was launched at a markedly lower price (by 76 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 sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon T3i features an APS-C sensor and the Panasonic S1 a full frame sensor. The sensor area in the S1 is 155 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 T3i and Panasonic S1 sensor measures

With 24MP, the S1 offers a higher resolution than the T3i (17.9MP), but the S1 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 4.31μm for the T3i) due to its larger sensor. Moreover, the S1 is a much more recent model (by 7 years and 11 months) than the T3i, 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 T3i are 25.9 x 17.3 inches or 65.8 x 43.9 cm for good quality, 20.7 x 13.8 inches or 52.7 x 35.1 cm for very good quality, and 17.3 x 11.5 inches or 43.9 x 29.3 cm for excellent quality prints.

Unlike the T3i, 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 T3i has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-12800. 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.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

T3i versus S1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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. Of the two cameras under consideration, the S1 offers substantially better image quality than the T3i (overall score 30 points higher). The advantage is based on 3.1 bits higher color depth, 3 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. 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 T3i APS-C 17.9 5184 34561080/30p22.111.579365
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 SL2 APS-C 24.0 6000 40001080/60p23.613.4104179
5.
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
6.
 
Canon T5 APS-C 17.9 5184 34561080/30p21.911.372463
7.
 
Canon SL1 APS-C 17.9 5184 34561080/30p21.811.384363
8.
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
9.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
10.
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
11.
 
Canon T3 APS-C 12.2 4272 2848720/30p21.911.075562
12.
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
13.
 
Canon T1i APS-C 15.1 4752 31681080/20p21.711.566363
14.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
15.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
16.
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p25.214.2280594
17.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
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. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the S1 provides a better video resolution than the T3i. It can shoot movie footage at 4K/60p, while the Canon is limited to 1080/30p.

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 T3i 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 T3i (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 0.53x), 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 T3i 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 T3ioptical n3.0 / 1040 swivel n 1/4000s 3.7/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 SL2optical 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 T5optical n3.0 / 460 fixed n 1/4000s 3.0/s Y n
7.
 
Canon SL1optical n3.0 / 1040 fixed Y 1/4000s 4.9/s Y n
8.
 
Canon T5ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
9.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3/s n n
10.
 
Canon T4ioptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
11.
 
Canon T3optical n2.7 / 230 fixed n 1/4000s 3.0/s Y n
12.
 
Canon T2ioptical n3.0 / 1040 fixed n 1/4000s 3.7/s Y n
13.
 
Canon T1ioptical n3.0 / 920 fixed n 1/4000s 3.4/s Y n
14.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
15.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
16.
 
Panasonic S1H5760 Y3.2 / 2330 swivel Y 1/8000s 9.0/s n Y
17.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/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 T3i has one, while the S1 does not. While the built-in flash of the T3i is not very powerful, it can at times be useful as a fill-in light.

The T3i 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 S1 does not have a selfie-screen.

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 T3i writes its imaging data to SDXC 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 T3i only has one slot. The S1 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the T3i cannot take advantage of Ultra High Speed SD cards.

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 T3i 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 T3iYmono / monoY-mini2.0---
2.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
3.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
4.
 
Canon SL2Ystereo / monoY-mini2.0YYY
5.
 
Canon T6sYstereo / monoY-mini2.0YY-
6.
 
Canon T5Ymono / mono--mini2.0---
7.
 
Canon SL1Ymono / monoY-mini2.0---
8.
 
Canon T5iYstereo / monoY-mini2.0---
9.
 
Canon MYstereo / monoY-mini2.0---
10.
 
Canon T4iYstereo / monoY-mini2.0---
11.
 
Canon T3Ystereo / mono--mini2.0---
12.
 
Canon T2iYstereo / -Y-mini2.0---
13.
 
Canon T1iYmono / mono--mini2.0---
14.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
15.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
16.
 
Panasonic S1HYstereo / monoYYfull3.1Y-Y
17.
 
Sony A900Y- / ---mini2.0---

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 T3i does not provide wifi capability.

Studio photographers will appreciate that the Panasonic S1 (unlike the T3i) 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 T3i has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the T3i was succeeded by the Canon T4i. 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 what is the bottom line? Is the Canon T3i better than the Panasonic S1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS Rebel T3i:

  • 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 selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (133x100mm vs 149x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 447g or 44 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 (76 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in February 2011).

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Advantages of the Panasonic Lumix DC-S1:

  • More detail: Has more megapixels (24 vs 17.9MP), which boosts linear resolution by 16%.
  • 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 (30 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 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.1 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/30p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • 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 0.53x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2100k vs 1040k dots).
  • 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 3.7 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-II standard.
  • More modern: Reflects 7 years and 11 months of technical progress since the T3i launch.

If the count of individual advantages (bullet points above) is taken as a guide, the S1 is the clear winner of the contest (32 : 8 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.

T3i 08:32 S1

How about other alternatives? Do the specifications of the Canon T3i 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 remains incomplete and does no justice, for example, to the way the T3i or the S1 perform in practice. 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 T3i3/5o..77/1004.5/54.5/5 Feb 2011 599ebay.com
2.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
3.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
4.
 
Canon SL24/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
5.
 
Canon T6s5/5+..77/1004.5/54.5/5 Feb 2015 649ebay.com
6.
 
Canon T53/5+....4/54.5/5 Feb 2014 449ebay.com
7.
 
Canon SL14/5+..78/1004/54/5 Mar 2013 549ebay.com
8.
 
Canon T5i......76/1004.5/54.5/5 Mar 2013 649ebay.com
9.
 
Canon M3/5+....4/54/5 Jul 2012 599ebay.com
10.
 
Canon T4i4/5+ +..77/1004.5/54.5/5 Jun 2012 849ebay.com
11.
 
Canon T3..80/100..69/1004/54.5/5 Feb 2011 449ebay.com
12.
 
Canon T2i..+ +..77/1004/54.5/5 Feb 2010 699ebay.com
13.
 
Canon T1i..+ +..74/1004.5/54.5/5 Mar 2009 799ebay.com
14.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
15.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
16.
 
Panasonic S1H....4/590/100.... May 2019 3,999 amazon.com
17.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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Check T3i offers at
ebay.com
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Check S1 price at
amazon.com

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 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 T3i 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 T3i Panasonic S1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Canon EF mount lenses Leica L mount lenses
    Launch Date February 2011 February 2019
    Launch Price USD 599 USD 2,499
    Sensor Specs Canon T3i Panasonic S1
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 22.3 x 14.9 mm 35.6 x 23.8 mm
    Sensor Area 332.27 mm2 847.28 mm2
    Sensor Diagonal 26.8 mm 42.8 mm
    Crop Factor 1.6x 1.0x
    Sensor Resolution 17.9 Megapixels 24 Megapixels
    Image Resolution 5184 x 3456 pixels 6000 x 4000 pixels
    Pixel Pitch 4.31 μm 5.94 μm
    Pixel Density 5.39 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 4K/60p Video
    ISO Setting 100 - 6,400 ISO 100 - 51,200 ISO
    ISO Boost 100 - 12,800 ISO 50 - 204,800 ISO
    Image Processor DIGIC 4 Venus
    DXO Sensor Quality (score) 65 95
    DXO Color Depth (bits) 22.1 25.2
    DXO Dynamic Range (EV) 11.5 14.5
    DXO Low Light (ISO) 793 3333
    Screen Specs Canon T3i Panasonic S1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.78x
    Viewfinder Resolution 5760k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1040k dots 2100k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Canon T3i 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 3.7 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy100 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 SDXC cards SDXC or XQD cards
    Second Storage Option Single card slot Dual card slots
    UHS card support no UHS-II
    Connectivity Specs Canon T3i Panasonic S1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port mini HDMI full HDMI
    Microphone Port External MIC port 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 T3i Panasonic S1
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type LP-E8 DMW-BLJ31
    Battery Life (CIPA)440 shots per charge400 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 133 x 100 x 80 mm
    (5.2 x 3.9 x 3.1 in)
    149 x 110 x 97 mm
    (5.9 x 4.3 x 3.8 in)
    Camera Weight 570 g (20.1 oz) 1017 g (35.9 oz)
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