Compare Pentax 645Z vs Sigma sd Quattro H vs Leica S3
Connectivity
Ports
HDMI + Microphone + Remote Control + USB 3.0
HDMI + Remote Control + USB 3.0
USB, HDMI, Audio, Hotshoe, cable release
Wireless Connectivity
GPS, WiFi
Construction
Battery | Capacity
2300 mAh
Form Factor
Mirrorless camera
Image Size
Medium format (645)
APS-H (26.6 x 17.9 mm)
Medium-format 45 x 30 mm (Leica ProFormat)
Lens Mount
PENTAX 645AF2
Sigma SA-mount
S-mount
Material
Magnesium alloy
Microphone
Mono
None
Sensor | Resolution
51 MP (8256 x 6192)
45 MP (6200 x 4152)
64 MP
Sensor | Type
CMOS
CMOS (Foveon X3)
Speakers
Stereo
None
Dimensions
Size | Depth
123 mm / 4.84 in
91 mm / 3.58 in
80 mm
Size | Height
117 mm / 4.61 in
95 mm / 3.74 in
120 mm
Size | Width
156 mm / 6.14 in
147 mm / 5.79 in
160 mm
Weight
1550 g / 54.77 oz
1260 g
Display
Display Diagonal
3.2 inch
3 inch
3"
Display Type
Tilting TFT LCD
Fixed TFT LCD
Resolution
1,037,000 dots
1,620,000 dots
0.92 M dots
Viewfinder | Coverage
98%
100%
OVF Pentaprism, 0.87x, 98%
Viewfinder | Magnification
0.62x
1.09x
Viewfinder | Resolution
2,360,000 dots
Viewfinder | Type
Optical (pentaprism)
Electronic
Function
AE Bracketing
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
±3 (3, 5 frames at 1/3 EV steps)
Autofocus
27 focus points
9 focus points
Phase detection
Crop Factor
0.6
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash Sync Speed
1/125 s
GPS
Optional via O-GPS1
No
ISO Range
to, ISO 100 ~ 204800
100 ~ 6400
Image Stabilization
No
No
Intervalometer
Yes
Processor
PRIME III
Dual TRUE III
Maestro 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
650 shots
Buffer Size
2 GB
Dynamic Range
15 stops
Max Burst Rate
3.0 fps
3.8 fps
3 fps
Shutter Speed
1/4000 s - 8 min
Storage
Dual SD/SDHC/SDXC slots
SD/SDHC/SDXC
CF, SD
Production
Battery
D-LI90 lithium-ion battery and charger
BP-61 lithium-ion battery & charger
S BP-PRO1
Debut
2014-04-15
2016-02-23
2020-03-06
Made In
Germany
Reviews
Neofiliac score
62%
49%
Pros
- Long battery life
- Medium format look
- Exceptionally high 51 MP resolution
- Weather-sealed
- Affordable for a 645 DSLR
- High 45 MP resolution
- Weather-sealed
- Viewfinder with great 1.09x magnification
- Foveon sensor
Cons
- Menu not touch-enabled
- Very low 3.0 fps burst rate
- Very large in size
- Very heavy
- Viewfinder coverage is cropped at 98%
- Viewfinder with low 0.62x magnification
- Menu not touch-enabled
- Very low 3.8 fps burst rate
- Low resolution EVF
Remove
Remove
Remove
Add up to 4 products to the comparison using the search bar above
Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.