HomeArticlesProductsKeywordsCompanies

Compare Pentax 645Z vs Nikon D780 vs Nikon D850

Connectivity

Ports
HDMI + Microphone + Remote Control + USB 3.0
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Headphone + Microphone + Remote Control + USB 3.0
Wireless Connectivity
802.11b/g/n + Bluetooth 4.1
802.11b/g + NFC + Bluetooth 4.1 LE

Construction

Form Factor
DSLR camera
DSLR camera
Image Size
Medium format (645)
Full frame (35.9 x 23.9 mm)
Full frame (35.9 x 23.9 mm)
Lens Mount
PENTAX 645AF2
Nikon F-mount
Nikon F-mount
Microphone
Mono
Stereo
Stereo
Sensor | Resolution
51 MP (8256 x 6192)
25 MP (6048 x 4024)
45 MP (8256 x 5504)
Sensor | Type
CMOS
BSI-CMOS
BSI-CMOS
Speakers
Stereo
Mono
Mono

Dimensions

Size | Depth
123 mm / 4.84 in
76 mm / 2.99 in
79 mm / 3.11 in
Size | Height
117 mm / 4.61 in
116 mm / 4.57 in
124 mm / 4.88 in
Size | Width
156 mm / 6.14 in
144 mm / 5.67 in
146 mm / 5.75 in
Weight
1550 g / 54.77 oz
840 g / 29.68 oz
1005 g / 35.51 oz

Display

Display Diagonal
3.2 inch
3.2 inch
3.2 inch
Display Type
Tilting TFT LCD
Tilting TFT LCD
Tilting TFT LCD
Resolution
1,037,000 dots
2,359,000 dots
2,359,000 dots
Viewfinder | Coverage
98%
100%
100%
Viewfinder | Magnification
0.62x
0.7x
0.75x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
Optical (pentaprism)

Function

AE Bracketing
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV, 1 EV steps)
±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
Autofocus
27 focus points
51 focus points (15 cross type)
151 focus points
Crop Factor
0.6
1.0
1.0
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash Sync Speed
1/200 s
GPS
Optional via O-GPS1
No
No
ISO Range
to, ISO 100 ~ 204800
100 ~ 51200 (expands to 50 ~ 204800)
64 ~ 25600 (expands to 32 ~ 102400)
Image Stabilization
No
No
No
Intervalometer
Yes
Yes
Yes
Processor
PRIME III
Expeed 6
Expeed 5
Touch Screen
No
Yes
Yes
Video Codecs
MPEG-4, H.264
MPEG-4
Video Recording
4K 30p, FHD 120p
Weather Resistance
Yes
Yes
Yes

Performance

Battery Life
650 shots
2260 shots
1840 shots
Max Burst Rate
3.0 fps
12.0 fps
7.0 fps
Shutter Speed
1/8000 - 30 s
Storage
Dual SD/SDHC/SDXC slots
Dual SD/SDHC/SDXC slots (UHS-II compatible)
SD/SDHC/SDXC (UHS-II supported) + XQD

Production

Battery
D-LI90 lithium-ion battery and charger
EN-EL15b lithium-ion battery & harger
EN-EL15a lithium-ion battery & charger
Debut
2014-04-15
2020-01-07
2017-07-25
Made In
Thailand

Reviews

Neofiliac score
62%
66%
73%
Pros
  • Long battery life
  • Medium format look
  • Exceptionally high 51 MP resolution
  • Weather-sealed
  • Affordable for a 645 DSLR
  • Exceptional battery life
  • Good 12.0 fps burst rate
  • Weather-sealed
  • Supports both WiFi and Bluetooth
  • Exceptional battery life
  • 64 base ISO
  • High 45 MP resolution
  • Weather-sealed
  • Supports both WiFi and Bluetooth
  • Exceptional ergonomics
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
  • Quite heavy
  • Viewfinder with low 0.7x magnification
  • Low 7.0 fps burst rate
  • Very heavy
  • Viewfinder with low 0.75x magnification

Price

Offers (incl. referral links)
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.