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Pentax 645D vs Pentax Q10

Portability
50
Imaging
76
Features
52
Overall
66
Pentax 645D front
 
Pentax Q10 front
Portability
92
Imaging
36
Features
56
Overall
44

Pentax 645D vs Pentax Q10 Key Specs

Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Display
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Launched March 2010
  • Later Model is Pentax 645Z
Pentax Q10
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 200g - 102 x 58 x 34mm
  • Introduced September 2012
  • Succeeded the Pentax Q
  • Later Model is Pentax Q7
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Pentax 645D vs Pentax Q10 Overview

On this page, we will be contrasting the Pentax 645D and Pentax Q10, one being a Pro DSLR and the latter is a Entry-Level Mirrorless and both of them are designed by Pentax. There is a crucial difference among the sensor resolutions of the 645D (40MP) and Q10 (12MP) and the 645D (Medium format) and Q10 (1/2.3") have different sensor sizes.

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The 645D was introduced 3 years before the Q10 and that is a fairly serious gap as far as camera tech is concerned. The two cameras have different body design with the Pentax 645D being a Large SLR camera and the Pentax Q10 being a Rangefinder-style mirrorless camera.

Before going into a more detailed comparison, here is a short introduction of how the 645D scores versus the Q10 in the way of portability, imaging, features and an overall rating.

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Reasons to pick Pentax 645D over the Pentax Q10

 645D Q10 
Screen resolution921k460kSharper screen (+461k dot)

Reasons to pick Pentax Q10 over the Pentax 645D

 Q10 645D 
IntroducedSeptember 2012March 2010Fresher by 30 months

Common features in the Pentax 645D and Pentax Q10

 645D Q10 
Manually focus Very precise focus
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen dimensions
Selfie screen Neither contains selfie screen
Touch friendly screen No Touch friendly screen

Pentax 645D vs Pentax Q10 Physical Comparison

If you're intending to carry your camera frequently, you have to factor in its weight and dimensions. The Pentax 645D has got outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs) whilst the Pentax Q10 has dimensions of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") along with a weight of 200 grams (0.44 lbs).

Compare the Pentax 645D and Pentax Q10 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at the time. The following is a front view proportions comparison of the 645D versus the Q10.

Pentax 645D vs Pentax Q10 size comparison

Considering size and weight, the portability rating of the 645D and Q10 is 50 and 92 respectively.

Pentax 645D vs Pentax Q10 top view buttons comparison

Pentax 645D vs Pentax Q10 Sensor Comparison

Oftentimes, its tough to picture the contrast in sensor sizing merely by viewing specs. The visual below will offer you a better sense of the sensor dimensions in the 645D and Q10.

As you can plainly see, both of those cameras provide different megapixels and different sensor sizing. The 645D having a bigger sensor is going to make getting shallower depth of field easier and the Pentax 645D will render extra detail using its extra 28MP. Higher resolution can also enable you to crop pictures more aggressively. The older 645D will be behind in sensor innovation.

Pentax 645D vs Pentax Q10 sensor size comparison

Pentax 645D vs Pentax Q10 Screen and ViewFinder

Pentax 645D vs Pentax Q10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax 645D
Portrait photography with Pentax Q10
77
manual focus
MP count amazing (40 megapixels)
sensor size is big (Medium format)
exports RAW files
no liveview feature
48
you can focus manually
flash sync is higher than normal (1/2,000s)
includes face detect autofocus
supports RAW files
low MP (12MP)
sensor is very small (1/2.3")
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Street Comparison

Pentax 645D Street photography info
Pentax Q10 Street photography info
58
sensor size is big (Medium format)
exports RAW files
environment proofing
no moving screen
no image stabilization
68
built in image stabilization (Sensor based)
supports RAW files
lighter than competitors in class (200 grams)
no moving screen
sensor is very small (1/2.3")
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Sports Comparison

Pentax 645D Sports photography details
Pentax Q10 Sports photography details
63
MP count amazing (40MP)
sensor size is big (Medium format)
environment proofing
comes with phase detect AF
no liveview feature
max fps low (1.0 frames per second)
no image stabilization
bad battery power (800 shots)
36
high shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based)
includes tracking focus
painfully slow continuous shooting (5.0 frames/s)
low MP (12MP)
sensor is very small (1/2.3")
terrible battery pack (270 shots)
no phase detect autofocus
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Travel Comparison

Pentax 645D Travel photography info
Pentax Q10 Travel photography info
55
environment proofing
MP count amazing (40MP)
bad battery power (800 shots)
screen isn't selfie friendly
60
lighter than competitors in class (200 grams)
flash built-in
terrible battery pack (270 per charge)
low MP (12 megapixels)
display isn't selfie friendly
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Landscape Comparison

Landscape photography with Pentax 645D
Landscape photography with Pentax Q10
72
manual focus
swap lenses (Pentax 645AF2 mount)
screen is a decent size (3")
MP count amazing (40MP)
sensor size is big (Medium format)
no anti-alias filter
exports RAW files
environment proofing
has double storage slots
no liveview feature
no image stabilization
bad battery power (800 CIPA)
54
you can focus manually
switch lenses (Pentax Q mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
supports RAW files
low MP (12 megapixels)
sensor is very small (1/2.3")
terrible battery pack (270 per charge)
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Vlogging Comparison

Vlogging with Pentax 645D
Vlogging with Pentax Q10
9
can't record video
35
built in image stabilization (Sensor based)
includes face detect autofocus
great video quality (1920 x 1080 resolution)
lighter than competitors in class (200 grams)
display isn't selfie friendly
no mic support
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Pentax 645D vs Pentax Q10 Specifications

Detailed spec comparison table for Pentax 645D and Pentax Q10
 Pentax 645DPentax Q10
General Information
Brand Pentax Pentax
Model Pentax 645D Pentax Q10
Category Pro DSLR Entry-Level Mirrorless
Launched 2010-03-10 2012-09-10
Physical type Large SLR Rangefinder-style mirrorless
Sensor Information
Processor Prime II -
Sensor type CCD CMOS
Sensor size Medium format 1/2.3"
Sensor dimensions 44 x 33mm 6.17 x 4.55mm
Sensor surface area 1,452.0mm² 28.1mm²
Sensor resolution 40 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 7264 x 5440 4000 x 3000
Maximum native ISO 1600 6400
Lowest native ISO 200 100
RAW pictures
Lowest enhanced ISO 100 -
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 11 25
Lens
Lens mounting type Pentax 645AF2 Pentax Q
Available lenses 6 8
Focal length multiplier 0.8 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inch 3 inch
Display resolution 921k dots 460k dots
Selfie friendly
Liveview
Touch function
Display technology TFT Color LCD with wide-viewing angle and with AR coating TFT Color LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (optional)
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate 1.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range no built-in flash 7.00 m
Flash modes Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Red-Eye, Slow Sync, Trailing-curtain sync
Hot shoe
AEB
White balance bracketing
Max flash synchronize 1/125 seconds 1/2000 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (30 fps), 1280 x 720p (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Maximum video resolution None 1920x1080
Video data format - MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1480 grams (3.26 pounds) 200 grams (0.44 pounds)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 102 x 58 x 34mm (4.0" x 2.3" x 1.3")
DXO scores
DXO Overall score 82 49
DXO Color Depth score 24.6 21.1
DXO Dynamic range score 12.6 10.9
DXO Low light score 1262 183
Other
Battery life 800 shots 270 shots
Type of battery Battery Pack Battery Pack
Battery model D-LI90 D-LI68
Self timer Yes (2 or 10 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/SDHC SD/SDHC/SDXC
Card slots Two 1
Pricing at release $4,000 $350