Compare Pentax K-3 II vs Leica S3 vs Pentax 645D
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.0
USB, HDMI, Audio, Hotshoe, cable release
Remote Control + USB 2.0
Wireless Connectivity
Special version of Flu Card available
GPS, WiFi
Construction
Battery | Capacity
2300 mAh
Form Factor
DSLR camera
Image Size
APS-C (23.5 x 15.6 mm)
Medium-format 45 x 30 mm (Leica ProFormat)
Medium format (645)
Lens Mount
Pentax K-mount
S-mount
Material
Magnesium alloy
Microphone
Mono
Stereo
Sensor | Resolution
24 MP (6016 x 4000)
64 MP
40 MP (7264 x 5440)
Sensor | Type
CMOS
CCD
Speakers
Mono
None
Dimensions
Size | Depth
77 mm / 3.03 in
80 mm
119 mm / 4.69 in
Size | Height
100 mm / 3.94 in
120 mm
117 mm / 4.61 in
Size | Width
131 mm / 5.16 in
160 mm
156 mm / 6.14 in
Weight
800 g / 28.27 oz
1260 g
1480 g / 52.30 oz
Display
Display Diagonal
3.2 inch
3"
3 inch
Display Type
Fixed TFT LCD monitor
Fixed TFT Color LCD with wide-viewing angle and with AR coating
Resolution
1,037,000 dots
0.92 M dots
921,000 dots
Viewfinder | Coverage
100%
OVF Pentaprism, 0.87x, 98%
98%
Viewfinder | Magnification
0.95x
0.85x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
Function
AE Bracketing
±2 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
±2 (3, 5 frames at 1/7 EV, 1/5 EV, 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
Autofocus
27 focus points
Phase detection
11 focus points
Crop Factor
1.5
0.6
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash Sync Speed
1/125 s
GPS
Yes
No
ISO Range
100 ~ 51200
200, 400, 800, 1600 (100 with boost)
Image Stabilization
4.5 stops of shake reduction
No
Intervalometer
Yes
Yes
Processor
Prime III
Maestro II
Prime II
Touch Screen
No
No
Video Codecs
MPEG-4, H.264
Video Recording
4K 24p, FHD 30p (full-width)
Weather Resistance
Yes
Yes
Performance
Battery Life
720 shots
Buffer Size
2 GB
Dynamic Range
15 stops
Max Burst Rate
8.3 fps
3 fps
1.1 fps
Shutter Speed
1/4000 s - 8 min
Storage
Dual SD/SDHC/SDXC
CF, SD
SD/SDHC
Production
Battery
Lithium-Ion D-LI90 rechargeable battery & charger
S BP-PRO1
Lithium-Ion D-LI90 rechargeable battery & charger
Debut
2015-04-22
2020-03-06
2010-03-10
Made In
Germany
Reviews
Neofiliac score
60%
57%
Pros
- Exceptional battery life
- Built-in GPS functionality
- Weather-sealed
- Medium format look
- Weather-sealed
- Affordable for a 645 DSLR
Cons
- Menu not touch-enabled
- Menu not touch-enabled
- Very low 1.1 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
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