Canon 1Ds MIII vs Pentax 645D
51 Imaging
65 Features
52 Overall
59
50 Imaging
76 Features
52 Overall
66
Canon 1Ds MIII vs Pentax 645D Key Specs
(Full Review)
- 21MP - Full frame Sensor
- 3" Fixed Screen
- ISO 50 - 3200
- 1/8000s Max Shutter
- No Video
- Canon EF Mount
- 1385g - 150 x 160 x 80mm
- Launched August 2008
- Replaced the Canon 1Ds MII
- Replacement is Canon 1D X
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Released March 2010
- Updated by Pentax 645Z
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The following is a in-depth comparison of the Canon 1Ds MIII versus Pentax 645D, both Pro DSLR digital cameras by rivals Canon and Pentax. There is a substantial difference between the image resolutions of the 1Ds MIII (21MP) and 645D (40MP) and the 1Ds MIII (Full frame) and 645D (Medium format) feature totally different sensor sizes.
Snapchat Adds Watermarks to AI-Created ImagesThe 1Ds MIII was released 18 months earlier than the 645D which makes the cameras a generation away from each other. Both cameras offer the identical body type (Large SLR).
Before getting straight into a full comparison, below is a brief summation of how the 1Ds MIII matches up vs the 645D with regards to portability, imaging, features and an overall mark.
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Below is a preview of the gallery photos for Canon EOS-1Ds Mark III & Pentax 645D. The complete galleries are viewable at Canon 1Ds MIII Gallery & Pentax 645D Gallery.
Reasons to pick Canon 1Ds MIII over the Pentax 645D
| 1Ds MIII | 645D |
|---|
Reasons to pick Pentax 645D over the Canon 1Ds MIII
| 645D | 1Ds MIII | |||
|---|---|---|---|---|
| Released | March 2010 |  | August 2008 | Newer by 18 months |
| Screen resolution | 921k |  | 230k | Clearer screen (+691k dot) |
Common features in the Canon 1Ds MIII and Pentax 645D
| 1Ds MIII | 645D | |||
|---|---|---|---|---|
| Focus manually |  | Dial precise focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen sizing | 3" |  | 3" | Equivalent screen dimensions |
| Selfie screen |  | No selfie screen | ||
| Touch friendly screen |  | Neither comes with Touch friendly screen |
Canon 1Ds MIII vs Pentax 645D Physical Comparison
For those who are looking to travel with your camera, you will have to factor its weight and dimensions. The Canon 1Ds MIII comes with external dimensions of 150mm x 160mm x 80mm (5.9" x 6.3" x 3.1") accompanied by a weight of 1385 grams (3.05 lbs) while the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).
See the Canon 1Ds MIII versus Pentax 645D in our completely new Camera plus Lens Size Comparison Tool.
Bear in mind, the weight of an ILC will vary depending on the lens you select at that time. Underneath is the front view measurements comparison of the 1Ds MIII versus the 645D.
Using size and weight, the portability score of the 1Ds MIII and 645D is 51 and 50 respectively.
Canon 1Ds MIII vs Pentax 645D Sensor Comparison
Usually, it is hard to visualise the gap between sensor dimensions only by checking specs. The image here may offer you a better sense of the sensor dimensions in the 1Ds MIII and 645D.
All in all, both cameras offer different resolutions and different sensor dimensions. The 1Ds MIII due to its tinier sensor will make getting shallow depth of field more difficult and the Pentax 645D will give greater detail as a result of its extra 19 Megapixels. Higher resolution will make it easier to crop shots a little more aggressively. The more aged 1Ds MIII is going to be behind when it comes to sensor tech.
Canon 1Ds MIII vs Pentax 645D Screen and ViewFinder
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Canon 1Ds MIII vs Pentax 645D Specifications
| Canon EOS-1Ds Mark III | Pentax 645D | |
|---|---|---|
| General Information | ||
| Brand | Canon | Pentax |
| Model type | Canon EOS-1Ds Mark III | Pentax 645D |
| Category | Pro DSLR | Pro DSLR |
| Launched | 2008-08-18 | 2010-03-10 |
| Body design | Large SLR | Large SLR |
| Sensor Information | ||
| Chip | - | Prime II |
| Sensor type | CMOS | CCD |
| Sensor size | Full frame | Medium format |
| Sensor measurements | 36 x 24mm | 44 x 33mm |
| Sensor surface area | 864.0mm² | 1,452.0mm² |
| Sensor resolution | 21MP | 40MP |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 4:3 |
| Maximum resolution | 5616 x 3744 | 7264 x 5440 |
| Maximum native ISO | 3200 | 1600 |
| Lowest native ISO | 50 | 200 |
| RAW data | ||
| Lowest boosted ISO | - | 100 |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| 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 |
| Focal length multiplier | 1 | 0.8 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen diagonal | 3" | 3" |
| Resolution of screen | 230 thousand dot | 921 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Screen tech | - | TFT Color LCD with wide-viewing angle and with AR coating |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 98% |
| Viewfinder magnification | 0.76x | 0.85x |
| Features | ||
| Slowest shutter speed | 30 secs | 30 secs |
| Maximum shutter speed | 1/8000 secs | 1/4000 secs |
| Continuous shooting speed | 5.0 frames/s | 1.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Change WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | no built-in flash |
| Flash options | External | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Maximum flash sync | 1/250 secs | 1/125 secs |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Maximum video resolution | None | None |
| Microphone input | ||
| Headphone input | ||
| 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 seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1385g (3.05 pounds) | 1480g (3.26 pounds) |
| Dimensions | 150 x 160 x 80mm (5.9" x 6.3" x 3.1") | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") |
| DXO scores | ||
| DXO All around rating | 80 | 82 |
| DXO Color Depth rating | 24.0 | 24.6 |
| DXO Dynamic range rating | 12.0 | 12.6 |
| DXO Low light rating | 1663 | 1262 |
| Other | ||
| Battery life | 1800 photographs | 800 photographs |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | - | D-LI90 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse shooting | ||
| Storage media | Compact Flash (Type I or II), SD card | SD/SDHC |
| Storage slots | Two | Two |
| Price at launch | $6,652 | $4,000 |
