Canon 1D MIV vs Pentax 645D
51 Imaging
57 Features
75 Overall
64


50 Imaging
75 Features
52 Overall
65
Canon 1D MIV vs Pentax 645D Key Specs
(Full Review)
- 16MP - APS-H Sensor
- 3" Fixed Screen
- ISO 100 - 12800 (Increase to 102400)
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Canon EF Mount
- 1230g - 156 x 157 x 80mm
- Introduced February 2010
- Succeeded the Canon 1D MIII
(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
- Revealed March 2010
- Successor is Pentax 645Z

Canon 1D MIV vs Pentax 645D Overview
The following is a detailed analysis of the Canon 1D MIV versus Pentax 645D, both Pro DSLR cameras by rivals Canon and Pentax. There is a crucial difference among the image resolutions of the 1D MIV (16MP) and 645D (40MP) and the 1D MIV (APS-H) and 645D (Medium format) enjoy different sensor dimensions.

The 1D MIV was introduced at a similar time to the 645D and they are of a similar generation. Both of the cameras come with the identical body type (Large SLR).
Before delving through a in depth comparison, below is a quick synopsis of how the 1D MIV scores against the 645D in the way of portability, imaging, features and an overall mark.

Canon 1D MIV vs Pentax 645D Gallery
This is a sample of the gallery pics for Canon EOS-1D Mark IV and Pentax 645D. The whole galleries are provided at Canon 1D MIV Gallery and Pentax 645D Gallery.
Reasons to pick Canon 1D MIV over the Pentax 645D
1D MIV | 645D |
---|
Reasons to pick Pentax 645D over the Canon 1D MIV
645D | 1D MIV | |||
---|---|---|---|---|
Display resolution | 921k | ![]() | 920k | Clearer display (+1k dot) |
Common features in the Canon 1D MIV and Pentax 645D
1D MIV | 645D | |||
---|---|---|---|---|
Revealed | February 2010 | ![]() | March 2010 | Same generation |
Manual focus | ![]() | Dial precise focus | ||
Display type | Fixed | ![]() | Fixed | Fixed display |
Display dimension | 3" | ![]() | 3" | Identical display sizing |
Selfie screen | ![]() | Absent selfie screen | ||
Touch friendly display | ![]() | Neither provides Touch friendly display |
Canon 1D MIV vs Pentax 645D Physical Comparison
If you're intending to travel with your camera frequently, you will have to consider its weight and proportions. The Canon 1D MIV provides physical measurements of 156mm x 157mm x 80mm (6.1" x 6.2" x 3.1") accompanied by a weight of 1230 grams (2.71 lbs) while the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs).
Contrast the Canon 1D MIV versus Pentax 645D in the all new Camera and Lens Size Comparison Tool.
Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at the time. Below is the front view scale comparison of the 1D MIV vs the 645D.

Looking at size and weight, the portability rating of the 1D MIV and 645D is 51 and 50 respectively.

Canon 1D MIV vs Pentax 645D Sensor Comparison
In many cases, it's hard to imagine the contrast in sensor dimensions just by looking through specs. The picture here will provide you a better sense of the sensor measurements in the 1D MIV and 645D.
All in all, both of those cameras posses different resolutions and different sensor dimensions. The 1D MIV using its smaller sensor is going to make achieving shallow depth of field tougher and the Pentax 645D will render extra detail using its extra 24MP. Greater resolution will also let you crop pics somewhat more aggressively.

Canon 1D MIV vs Pentax 645D Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Canon 1D MIV vs Pentax 645D Specifications
Canon EOS-1D Mark IV | Pentax 645D | |
---|---|---|
General Information | ||
Make | Canon | Pentax |
Model type | Canon EOS-1D Mark IV | Pentax 645D |
Category | Pro DSLR | Pro DSLR |
Introduced | 2010-02-22 | 2010-03-10 |
Physical type | Large SLR | Large SLR |
Sensor Information | ||
Chip | Digic 4 | Prime II |
Sensor type | CMOS | CCD |
Sensor size | APS-H | Medium format |
Sensor dimensions | 27.9 x 18.6mm | 44 x 33mm |
Sensor surface area | 518.9mm² | 1,452.0mm² |
Sensor resolution | 16MP | 40MP |
Anti alias filter | ||
Aspect ratio | 3:2 | 4:3 |
Highest Possible resolution | 4896 x 3264 | 7264 x 5440 |
Maximum native ISO | 12800 | 1600 |
Maximum enhanced ISO | 102400 | - |
Minimum native ISO | 100 | 200 |
RAW pictures | ||
Minimum enhanced ISO | 50 | 100 |
Autofocusing | ||
Focus manually | ||
AF touch | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Total focus points | 45 | 11 |
Lens | ||
Lens mount type | Canon EF | Pentax 645AF2 |
Amount of lenses | 250 | 6 |
Crop factor | 1.3 | 0.8 |
Screen | ||
Type of screen | Fixed Type | Fixed Type |
Screen size | 3" | 3" |
Screen resolution | 920 thousand dots | 921 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Screen technology | - | TFT Color LCD with wide-viewing angle and with AR coating |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 100% | 98% |
Viewfinder magnification | 0.76x | 0.85x |
Features | ||
Minimum shutter speed | 30 secs | 30 secs |
Fastest shutter speed | 1/8000 secs | 1/4000 secs |
Continuous shutter rate | 10.0fps | 1.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash modes | External | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | 1/300 secs | 1/125 secs |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Video resolutions | 1920 x 1080 (30, 25, 24 fps, 1280 x 720 (60, 50 fps), 640 x 480 (60, 50 fps) | - |
Maximum video resolution | 1920x1080 | None |
Video format | H.264 | - |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | Eye-Fi Connected | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 1230g (2.71 lb) | 1480g (3.26 lb) |
Dimensions | 156 x 157 x 80mm (6.1" x 6.2" x 3.1") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
DXO scores | ||
DXO Overall rating | 74 | 82 |
DXO Color Depth rating | 22.8 | 24.6 |
DXO Dynamic range rating | 12.0 | 12.6 |
DXO Low light rating | 1320 | 1262 |
Other | ||
Battery life | 1500 shots | 800 shots |
Battery type | Battery Pack | Battery Pack |
Battery ID | LP-E4 | D-LI90 |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | Compact Flash (Type I or II), UDMA, SD/SDHC card | SD/SDHC |
Card slots | Dual | Dual |
Pricing at release | $4,999 | $4,000 |