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Canon 1Ds MIII vs Pentax 645Z

Portability
51
Imaging
64
Features
52
Overall
59
Canon EOS-1Ds Mark III front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Canon 1Ds MIII vs Pentax 645Z Key Specs

Canon 1Ds MIII
(Full Review)
  • 21MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 50 - 3200
  • 1/8000s Maximum Shutter
  • No Video
  • Canon EF Mount
  • 1385g - 150 x 160 x 80mm
  • Launched August 2008
  • Replaced the Canon 1Ds MII
  • Newer Model is Canon 1D X
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Introduced April 2014
  • Replaced the Pentax 645D
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Canon 1Ds MIII vs Pentax 645Z Overview

Let's look a bit more in depth at the Canon 1Ds MIII versus Pentax 645Z, both Pro DSLR cameras by manufacturers Canon and Pentax. There exists a crucial gap among the image resolutions of the 1Ds MIII (21MP) and 645Z (51MP) and the 1Ds MIII (Full frame) and 645Z (Medium format) possess totally different sensor size.

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The 1Ds MIII was brought out 6 years prior to the 645Z which is a fairly serious gap as far as camera technology is concerned. Both cameras offer the identical body type (Large SLR).

Before getting straight into a complete comparison, below is a quick summary of how the 1Ds MIII scores versus the 645Z in relation to portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Canon 1Ds MIII over the Pentax 645Z

 1Ds MIII 645Z 

Reasons to pick Pentax 645Z over the Canon 1Ds MIII

 645Z 1Ds MIII 
IntroducedApril 2014August 2008More modern by 68 months
Screen typeTiltingFixed Tilting screen
Screen sizing3.2"3"Bigger screen (+0.2")
Screen resolution1037k230kCrisper screen (+807k dot)

Common features in the Canon 1Ds MIII and Pentax 645Z

 1Ds MIII 645Z 
Manually focus More exact focusing
Selfie screen Neither contains selfie screen
Touch screen Neither contains Touch screen

Canon 1Ds MIII vs Pentax 645Z Physical Comparison

For anyone who is aiming to carry around your camera, you need to take into account its weight and volume. The Canon 1Ds MIII has got outside measurements of 150mm x 160mm x 80mm (5.9" x 6.3" x 3.1") having a weight of 1385 grams (3.05 lbs) while the Pentax 645Z has sizing of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs).

Compare the Canon 1Ds MIII versus Pentax 645Z in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have attached during that time. Below is the front view physical size comparison of the 1Ds MIII compared to the 645Z.

Canon 1Ds MIII vs Pentax 645Z size comparison

Looking at dimensions and weight, the portability grade of the 1Ds MIII and 645Z is 51 and 49 respectively.

Canon 1Ds MIII vs Pentax 645Z top view buttons comparison

Canon 1Ds MIII vs Pentax 645Z Sensor Comparison

Sometimes, it is very hard to envision the gap in sensor sizes merely by checking out technical specs. The image underneath should offer you a better sense of the sensor sizing in the 1Ds MIII and 645Z.

As you have seen, both the cameras offer different megapixels and different sensor sizes. The 1Ds MIII due to its smaller sensor will make achieving bokeh tougher and the Pentax 645Z will produce more detail having its extra 30MP. Higher resolution will allow you to crop shots a little more aggressively. The more aged 1Ds MIII will be behind when it comes to sensor innovation.

Canon 1Ds MIII vs Pentax 645Z sensor size comparison

Canon 1Ds MIII vs Pentax 645Z Screen and ViewFinder

Canon 1Ds MIII vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Canon 1Ds MIII as a Portrait photography camera
Pentax 645Z as a Portrait photography camera
78
has manual focus
decent sensor resolution (21MP)
sensor size is great (Full frame)
saves RAW formats
88
manual focus
megapixel count great (51MP)
sensor size is big (Medium format)
offers face detect autofocus
exports RAW formats
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Street Comparison

Canon 1Ds MIII as a Street photography camera
Pentax 645Z as a Street photography camera
56
sensor size is great (Full frame)
saves RAW formats
weather proof
no articulating screen
lack of image stabilization
63
screen tilts up and down
sensor size is big (Medium format)
exports RAW formats
environment proofing
very good high ISO (204,800)
lack of image stabilization
heavier than average in class (1,550g)
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Sports Comparison

Canon 1Ds MIII Sports photography information
Pentax 645Z Sports photography information
63
maximum shutter speed is high (1/8,000s)
decent sensor resolution (21 megapixels)
sensor size is great (Full frame)
weather proof
comes with phase detect AF
max fps low (5.0 frames per second)
lack of image stabilization
not so great battery (1,800 CIPA)
71
megapixel count great (51 megapixels)
sensor size is big (Medium format)
offers tracking focus
environment proofing
comes with phase detect autofocus
slow continuous shooting (3.0 frames/s)
lack of image stabilization
terrible battery power (650 per charge)
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Travel Comparison

Canon 1Ds MIII as a Travel photography camera
Pentax 645Z as a Travel photography camera
53
weather proof
decent sensor resolution (21 megapixels)
not so great battery (1,800 shots)
doesn't feature selfie friendly screen
51
environment proofing
megapixel count great (51MP)
terrible battery power (650 shots)
heavier than average in class (1,550 grams)
screen is not selfie friendly
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Landscape Comparison

Landscape photography with Canon 1Ds MIII
Landscape photography with Pentax 645Z
70
has manual focus
swap lenses (Canon EF mount)
screen is a decent size (3 inches)
decent sensor resolution (21 megapixels)
sensor size is great (Full frame)
saves RAW formats
weather proof
has double storage slots
lack of image stabilization
not so great battery (1,800 per charge)
78
manual focus
swap lenses (Pentax 645AF2 mount)
decent sized screen (3.2 inches)
megapixel count great (51 megapixels)
sensor size is big (Medium format)
no anti aliasing filter
very good high ISO (204,800)
exports RAW formats
environment proofing
has double storage slots
lack of image stabilization
terrible battery power (650 per charge)
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Vlogging Comparison

Canon 1Ds MIII Vlogging info
Pentax 645Z Vlogging info
9
can't record video
27
offers face detect autofocus
video res high (1920 x 1080 resolution)
does have mic port
screen is not selfie friendly
lack of image stabilization
heavier than average in class (1,550 grams)
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Canon 1Ds MIII vs Pentax 645Z Specifications

Detailed spec comparison table for Canon 1Ds MIII and Pentax 645Z
 Canon EOS-1Ds Mark IIIPentax 645Z
General Information
Make Canon Pentax
Model type Canon EOS-1Ds Mark III Pentax 645Z
Type Pro DSLR Pro DSLR
Launched 2008-08-18 2014-04-15
Body design Large SLR Large SLR
Sensor Information
Processor Chip - PRIME III
Sensor type CMOS CMOS
Sensor size Full frame Medium format
Sensor dimensions 36 x 24mm 44 x 33mm
Sensor surface area 864.0mm² 1,452.0mm²
Sensor resolution 21MP 51MP
Anti alias filter
Aspect ratio 3:2 4:3
Maximum resolution 5616 x 3744 8256 x 6192
Maximum native ISO 3200 204800
Minimum native ISO 50 100
RAW images
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 45 27
Lens
Lens support Canon EF Pentax 645AF2
Total lenses 250 6
Focal length multiplier 1 0.8
Screen
Range of screen Fixed Type Tilting
Screen size 3 inch 3.2 inch
Screen resolution 230k dot 1,037k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.76x 0.85x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/8000s 1/4000s
Continuous shooting speed 5.0fps 3.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance no built-in flash no built-in flash
Flash settings External Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
External flash
AEB
WB bracketing
Highest flash sync 1/250s 1/125s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Maximum video resolution None 1920x1080
Video file format - MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1385 gr (3.05 lbs) 1550 gr (3.42 lbs)
Dimensions 150 x 160 x 80mm (5.9" x 6.3" x 3.1") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around rating 80 101
DXO Color Depth rating 24.0 26.0
DXO Dynamic range rating 12.0 14.7
DXO Low light rating 1663 4505
Other
Battery life 1800 images 650 images
Battery form Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 secs)
Time lapse recording
Storage media Compact Flash (Type I or II), SD card Dual SD/SDHC/SDXC slots
Storage slots Dual Dual
Launch pricing $6,652 $5,024