Pentax 645D Review

Overall Score

63

Main Features

  • 40 MP Medium format CCD Sensor
  • 200 - 1600 ISO
  • 3" Fixed Screen
  • Optical (pentaprism) Viewfinder
  • 1 fps continuous shooting
  • Built-In Wireless
  • 156 x 117 x 119 mm, 1480g.
  • Price Category:
  • Replaced by: 645Z

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Pentax 645D Overview


First introduced in March, 2010, Pentax 645D is a 40 MP DSLR with a Medium format (44 x 33 mm) sized CCD sensor.

Pentax replaced 645D with Pentax 645Z. Follow the link to read our detailed comparison of these models:

Compare Pentax 645D with Pentax 645Z


Pentax 645D comes with a Full Frame sensor - 44 x 33 mm CCD sensor, which has a diagonal of 55.0 mm

- Full Frame, approximate the actual size shown above

Sensor resolution of Pentax 645D ~ 7293 x 5484 pixels.

Pentax 645D has Crop Factor: 0.79

The sensor has a surface area of 1452.0 mm².

There are approximate 39,994,812 photosites (pixels) on this area.


Proc and Cons of Pentax 645D


Get to know this camera closer. Let's look at the features and characteristics of this model. Compare Pentax 645D with competitors in pro dslr cameras.

Pros
Built-in Wireless
Optical Viewfinder
40MP High Resolution Sensor
1.0 fps Continuous Shooting
Manual Focus
Environmental Sealing
11 Focus Points
±5 AE Bracketing Range
Focus Bracketing
External Flash
RAW Support
921k dots Screen Resolution
1/4000s Max Shutter Speed
Manual Exposure Mode
Timelapse Recording
2 Storage Slots
Flash Sync Port
Cons
No Bluetooth
No Touch Screen
No Image Stabilization
Low Max Native ISO: 1600
Weight: 1480g
No Articulating Screen
No Full HD Video
No AF Face Detection
Slow Continuous Shooting: 921 fps
Low Battery Life: 800 shots
Type Scores

Pentax 645D has an Overall Score of 63/100 and ranked #97 out of 205 in DSLR cameras, and ranked #249 out of 1201 in all cameras.

Pentax 645D Scores
Imaging score
83
Features score
39
Value for money score
68
Portability score
43
Overall score
63
Average Scores in Pro DSLR
Imaging Score
57
Features Score
49
Value For Money Score
61
Portability Score
49
Overall score
55

Physical Dimensions of Pentax 645D


Pentax 645D weighs 1480g and has external dimensions of 156 x 117 x 119mm (6.14 x 4.61 x 4.69"). Considering that the average weight of Pro DSLR cameras is 1280g, Pentax 645D is 200 grams more than the average weight of cameras in this category.

Weight Comparison
Pro DSLR Cameras


Pentax 645D
1480g
Average weight
1280g
Min weight
735g
Max weight
1585g

Thickness Comparison
Pro DSLR Cameras


Pentax 645D
119mm
Average Thickness
85mm
Min Thickness
74mm
Max Thickness
123mm

Here is the front and top view image of Pentax 645D with the dimensions:

Pentax 645D

Size Compared to Major Competitors


Model Weight 645D Dimensions 645D
Pentax 645Z Pentax 645Z 1550 g 1480 g 156 x 117 x 123 mm 156 x 117 x 119 mm
Nikon D810 Nikon D810 980 g 1480 g 146 x 123 x 82 mm 156 x 117 x 119 mm
Canon EOS 5D Mark III Canon 5D MIII 950 g 1480 g 152 x 116 x 76 mm 156 x 117 x 119 mm
Canon EOS 5DS R Canon 5DS R 930 g 1480 g 152 x 116 x 76 mm 156 x 117 x 119 mm
Nikon D750 Nikon D750 840 g 1480 g 141 x 113 x 78 mm 156 x 117 x 119 mm
Sony Alpha A7R II Sony A7R II 625 g 1480 g 127 x 96 x 60 mm 156 x 117 x 119 mm
Pentax K-1 Pentax K-1 1010 g 1480 g 137 x 110 x 86 mm 156 x 117 x 119 mm
Canon EOS 5DS Canon 5DS 930 g 1480 g 152 x 116 x 76 mm 156 x 117 x 119 mm

Specifications of Pentax 645D


General
Brand Pentax
Model 645D
Announced March, 2010
Body Type Large SLR
Lens
Lens Mount Pentax 645AF2
Manual Focus
Focal Lens Multiplier 0.8
Number of Lenses 6
Macro Focus Range n/a
Screen
Screen Size 3"
Screen Type Fixed
Screen Resolution 921k pixels
Touch Screen
Live View
Viewfinder
Viewfinder Optical (pentaprism)
Viewfinder Resolution no electronic viewfinder
Viewfinder Coverage 98%
Viewfinder Magnification 0.85
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 11
Number of Cross Focus Points 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec
Max Shutter Speed 1/4000 sec
Continuous Shooting 1.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash
Flash Modes Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External Flash
AE Bracketing
AE Bracketing Range ±5 EV
WB Bracketing
Sensor
Sensor Size Medium format
Sensor Type CCD
Sensor Dimensions 44 x 33 mm
Sensor Area 1452.0 mm²
Sensor Resolution 40 MP
Max Image Resolution 7264 x 5440
Max Native ISO 1600
Min Native ISO 200
Max Boosted ISO 0
Min Boosted ISO 100
Video Features
4K
Max Video Resolution None
Video Formats
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None
Wireless Connectivity Built-In
Bluetooth
HDMI
USB USB 2.0 (480 Mbit/sec)
Battery
Battery Life 800 shots
Battery Type Battery Pack
Battery Model D-LI90
Physical
Weight 1480 g
Physical Dimensions 156 x 117 x 119 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type SD/SDHC
Storage Slots 2
Other Features
Self Timer
Selfie Friendly

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