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Compare Nikon D850 vs Pentax 645Z vs Pentax Q-S1

Connectivity

Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.0
HDMI + Microphone + Remote Control + USB 3.0
HDMI + Remote Control + USB 2.0
Wireless Connectivity
802.11b/g + NFC + Bluetooth 4.1 LE

Construction

Form Factor
DSLR camera
Mirrorless camera
Image Size
Full frame (35.9 x 23.9 mm)
Medium format (645)
1/1.7" (7.44 x 5.58 mm)
Lens Mount
Nikon F-mount
PENTAX 645AF2
Pentax Q-mount
Microphone
Stereo
Mono
Mono
Sensor | Resolution
45 MP (8256 x 5504)
51 MP (8256 x 6192)
12 MP (4000 x 3000)
Sensor | Type
BSI-CMOS
CMOS
BSI-CMOS
Speakers
Mono
Stereo
Mono

Dimensions

Size | Depth
79 mm / 3.11 in
123 mm / 4.84 in
34 mm / 1.34 in
Size | Height
124 mm / 4.88 in
117 mm / 4.61 in
58 mm / 2.28 in
Size | Width
146 mm / 5.75 in
156 mm / 6.14 in
105 mm / 4.13 in
Weight
1005 g / 35.51 oz
1550 g / 54.77 oz
203 g / 7.17 oz

Display

Display Diagonal
3.2 inch
3.2 inch
3 inch
Display Type
Tilting TFT LCD
Tilting TFT LCD
Fixed TFT-LCD
Resolution
2,359,000 dots
1,037,000 dots
460,000 dots
Viewfinder | Coverage
100%
98%
Viewfinder | Magnification
0.75x
0.62x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
None

Function

AE Bracketing
±5 (2, 3, 5, 7 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV, 1 EV, 2 EV steps)
±3 (3 frames )
Autofocus
151 focus points
27 focus points
Crop Factor
1.0
0.6
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV, 1 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±3 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Built-in
GPS
No
Optional via O-GPS1
No
ISO Range
64 ~ 25600 (expands to 32 ~ 102400)
to, ISO 100 ~ 204800
100 ~ 12800
Image Stabilization
No
No
Intervalometer
Yes
Yes
Yes
Processor
Expeed 5
PRIME III
Q Engine
Touch Screen
Yes
No
No
Video Codecs
MPEG-4
MPEG-4, H.264
MPEG-4, H.264
Weather Resistance
Yes
Yes
No

Performance

Battery Life
1840 shots
650 shots
250 shots
Flash Range
4.90 m
Max Burst Rate
7.0 fps
3.0 fps
5.0 fps
Storage
SD/SDHC/SDXC (UHS-II supported) + XQD
Dual SD/SDHC/SDXC slots
SD/SDHC/SDXC card

Production

Battery
EN-EL15a lithium-ion battery & charger
D-LI90 lithium-ion battery and charger
D-LI68 lithium-ion battery & charger
Debut
2017-07-25
2014-04-15
2014-08-04

Reviews

Neofiliac score
73%
62%
43%
Pros
  • Exceptional battery life
  • 64 base ISO
  • High 45 MP resolution
  • Weather-sealed
  • Supports both WiFi and Bluetooth
  • Exceptional ergonomics
  • Long battery life
  • Medium format look
  • Exceptionally high 51 MP resolution
  • Weather-sealed
  • Affordable for a 645 DSLR
  • Exceptionally compact
  • Very light
Cons
  • Low 7.0 fps burst rate
  • Very heavy
  • Viewfinder with low 0.75x magnification
  • 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
  • Poor battery life
  • Very low 5.0 fps burst rate
  • Very low 12 MP resolution
  • Lacks weather sealing
  • Not a serious system

Price

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