Canon EOS Rebel XT vs Sony a7R IVA

This is a full comparison between the cameras Canon EOS Rebel XT and Sony a7R IVA. We compare them by looking at the categories you see below.


Canon EOS Rebel XT is manufacturered by Canon but Sony a7R IVA is from Sony. Both Canon and Sony are well known brands though.

Canon EOS Rebel XT were released 2005 and Sony a7R IVA was released 2021. That is a 16 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS Rebel XT 2005
Sony a7R IVA 2021

Type of camera

Canon EOS Rebel XT is a DSLR camera while Sony a7R IVA is a Mirrorless camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Canon EOS Rebel XT has a "Canon APS-C"-sensor while Sony a7R IVA has a "Sony Full Frame"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Canon EOS Rebel XT 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Sony a7R IVA 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Canon)
Camera selection can affect the focal length (Sony)


Canon EOS Rebel XT has a 8 MP (Megapixels) resolution while Sony a7R IVA has 61 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS Rebel XT 8 MP
7962624 pixels
3456 x 2304
Sony a7R IVA 61 MP
60217344 pixels
9504 x 6336

Sony a7R IVA has a 656 % larger resolution than Canon EOS Rebel XT. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a7R IVA has a larger ISO-range than Canon EOS Rebel XT. Sony a7R IVA has an ISO range that stretches from 100 to 32000 while Canon EOS Rebel XT has 100 to 1600.

Camera ISO Range
Canon EOS Rebel XT 100-1600
Sony a7R IVA 100-32000

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS Rebel XT
Lens compatibility chart for Sony a7R IVA

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS Rebel XT can shoot up to 2,8 pictures per seconds and Sony a7R IVA can shoot up to 10 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS Rebel XT 2,8
Sony a7R IVA 10

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

It is only one of these two cameras that support recording movies and movie clips and that is Sony a7R IVA. Sadly, the Canon EOS Rebel XT does not support this.


The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Sony a7R IVA weighs 665 gr (equal to 1.47 lb) which is 23% heavier than Canon EOS Rebel XT and its 540 gr (or 1.19 lb).

Camera Weight
Canon EOS Rebel XT 540 gr
1.19 lb
Sony a7R IVA 665 gr
1.47 lb

Canon EOS Rebel XT vs Sony a7R IVA Specs

Below you will find the complete and detailed technical specs for both Canon EOS Rebel XT and Sony a7R IVA, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Canon EOS Rebel XT
Sony a7R IVA
Name Canon EOS Rebel XT Sony a7R IVA
Manufacturer Canon Sony
Release Date and Price
Canon EOS Rebel XT
Sony a7R IVA
Release Year 2005 2021
Release Date 2005-02-17 2021-04-07
MSRP 599 USD 3499 USD
Buy it today
Camera Type
Canon EOS Rebel XT
Sony a7R IVA
Camera Type DSLR Mirrorless
Canon EOS Rebel XT
Sony a7R IVA
Sensor Size APS-C (approx 22.3 x 14.9 mm) Full Frame (approx 36 x 24 mm)
Resolution 3456 x 2304 pixels 9504 x 6336 pixels
Megapixels 8 MP 61 MP
Image Processor DIGIC 2 BIONZ X
Canon EOS Rebel XT
Sony a7R IVA
ISO Range 100 - 1600 100 - 32000
White Balance Presets 6 9
Custom White Balance Yes No
Image Stabilization No Yes
Image Stabilization CIPA Rating 0 stops 5.5 stops
Uncompressed format RAW RAW
Optics & Focus
Canon EOS Rebel XT
Sony a7R IVA
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Face Detection
Focus Points 7 567
Lens Mount Canon EF
Canon EF-S

See Compatible Lenses
Sony E

See Compatible Lenses
Focal Length Multiplier APS-C Sensor
1.6x multiplier
24 mm becomes 38 mm
50 mm becomes 80 mm
100 mm becomes 160 mm
200 mm becomes 320 mm
Full frame
No multiplier
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Screen & Viewfinder
Canon EOS Rebel XT
Sony a7R IVA
Articulated LCD Fixed Tilting
Screen size 1.8 3
Screen dots 115000 2360000
Touch screen No Yes
Screen type N/A TFT LCD
Live view No Yes
Viewfinder Type Optical (pentamirror) Electronic
Viewfinder Coverage 95% 100%
Viewfinder Magnification 0.8 (0.5 35mm equiv.) 0.78x
Viewfinder Resolution N/A 5760000
Photography features
Canon EOS Rebel XT
Sony a7R IVA
Frames per second 2,8 fps 10 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes No
Built-in Flash Range 12 meters N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Center Weighted
Highlight Weighted
Exposure Compensation +/- 2 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS Rebel XT
Sony a7R IVA
Video recording No Yes
Video format N/A MPEG4
Video resolution N/A 1920 x 1080
3840 x 2160
Built-in Microphone No Yes
Built-in Speakers No Yes
Canon EOS Rebel XT
Sony a7R IVA
Memory Card Compact Flash
Canon EOS Rebel XT
Sony a7R IVA
HDMI Output No Yes
Microphone Port No Yes
Headphone Port No Yes
Wireless No Yes
Built-in (802.11ac + Bluetooth 4.1 + NFC)
Remote Control Yes (E3 connector, InfraRed) Yes (via smartphone)
Body & Dimensions
Canon EOS Rebel XT
Sony a7R IVA
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details Battery Pack NB-2LH
NP-FZ100 lithium-ion battery & charger
Battery Life (CIPA) N/A 670 shots
Width 127 mm 129 mm
Height 94 mm 96 mm
Depth 64 mm 78 mm
Weight 540 gram 665 gram