Canon EOS R7 vs. Pentax K-3 Mark III

Side by side
2 cameras compared
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Jul 30, 2022
May 8, 2021
May 24, 2022
Mar 30, 2021
 
$1499, £1349 ($1899, £1699 with 18-150mm)
$1999 (body only)
 
SLR-style mirrorless
Mid-size SLR
Magnesium alloy
Magnesium alloy
 
6960 x 4640
6192 x 4128
1:1, 4:3, 3:2, 16:9
3:2
33 megapixels
26 megapixels
34 megapixels
27 megapixels
APS-C (22.2 x 14.8 mm)
APS-C (23 x 15.5 mm)
CMOS
CMOS
Digic X
PRIME V
sRGB, AdobeRGB
sRGB, Adobe RGB
Bayer
Primary color filter
 
100-32000
Auto (100-1600000)
100
 
51200
 
6
8
Yes
Yes (3 slots)
Sensor-shift
Sensor-shift
Up to 8EV with certain lenses
 
6 stop(s)
5.5 stop(s)
RAW
RAW
 
Best, better, good
 
  • JPEG (Exif 2.3)
  • Raw (PEF/DNG)
 
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Touch
  • Face Detection
  • Live View
 
Yes
 
Yes
 
Yes
651
101
 
25
Canon RF
Pentax KAF2
 
1.5×
 
Fully articulated
Fixed
3
3.2
 
1,620,000
Yes
Yes
 
TFT LCD
Yes
Yes
Electronic
Optical (pentaprism)
100%
100%
1.15×
1.05× (0.7× 35mm equiv.)
2
 
 
30 sec
30 sec
1/8000 sec
1/8000 sec
1/16000 sec
 
Yes
Yes
Yes
Yes
Yes
Yes
Yes
 
 
  • Program
  • Sensitivity priority
  • Shutter priority
  • Aperture priority
  • Shutter & aperture priority
  • Manual
  • Portrait
  • Group photo
  • Landscape
  • Panoramic shot
  • Sports
  • Kids
  • Panning
  • Close-up
  • Food
  • Night Portrait,
  • Handheld Night Scene
  • HDR Backlight Control
  • Silent shutter
 
No
No
 
Yes (via hot shoe or flash sync port)
 
Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync
1/250 sec
1/200 sec
 
  • Single
  • Continuous
  • Bracketing (AE, DoF, motion)
  • Mirror-up
  • Multi-exposure
  • Interval
15.0 fps
12.0 fps
Yes
Yes
  • Multi
  • Center-weighted
  • Spot
  • Partial
  • Multi
  • Center-weighted
  • Highlight-weighted
  • Spot
±3 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
 
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
 
Yes
 
 
MPEG-4, H.264
  • 3840 x 2160 @ 30p / 170 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 23.98p / 170 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 30p / 85 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 23.98p / 85 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 60p / 340 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 60p / 170 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 120p / 180 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 120p / 100 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 60p / 90 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 60p / 50 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 30p / 45 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 23.98p / 45 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 30p / 28 Mbps, MOV, H.265, Linear PCM
  • 1920 x 1080 @ 23.98p / 28 Mbps, MOV, H.265, Linear PCM
  • 3840 x 2160 @ 30p / 120 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 23.98p / 120 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 60 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 23.98p / 60 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 60p / 230 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 60p / 120 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 120 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 23.98p / 120 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 30p / 60 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 23.98p / 60 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 120p / 120 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 120p / 70 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 60 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 60p / 35 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 30 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 23.98p / 30 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 30p / 12 Mbps, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 23.98p / 12 Mbps, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 30p, MOV, H.264, Linear PCM
  • 3840 x 2160 @ 24p, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 60p, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 30p, MOV, H.264, Linear PCM
  • 1920 x 1080 @ 24p, MOV, H.264, Linear PCM
Stereo
Stereo
Mono
Mono
 
2 x UHS-II SD card slot
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
 
USB 3.2 Gen 2 (10 GBit/sec)
USB 3.2 Gen 1 (5 GBit/sec)
Yes
Yes
Yes (Micro)
Yes (micro HDMI)
Yes
Yes
Yes
Yes
Built-In
Built-In
2.4GHz
802.11b/g/n + Bluetooth
Yes (Wired, wireless or IR)
Yes (via wireless)
 
Yes
Yes
Battery Pack
Battery Pack
LP-E6NH
D-LI90
660
800
612 g (1.35 lb / 21.59 oz)
820 g (1.81 lb / 28.92 oz)
132 x 90 x 92 mm (5.2 x 3.54 x 3.62)
135 x 104 x 74 mm (5.31 x 4.09 x 2.91)
 
Yes
Yes
 
Yes
None
None