Pentax 645D vs Pentax E85
50 Imaging
75 Features
52 Overall
65
95 Imaging
35 Features
10 Overall
25
Pentax 645D vs Pentax E85 Key Specs
(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
- Introduced March 2010
- Later Model is Pentax 645Z
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 3200
- 640 x 480 video
- 32-96mm (F2.9-5.2) lens
- 145g - 93 x 58 x 24mm
- Launched September 2009
Pentax 17 Pre-Orders Outperform Expectations by a Landslide Pentax 645D vs Pentax E85 Overview
Lets look a bit more in depth at the Pentax 645D vs Pentax E85, one being a Pro DSLR and the latter is a Small Sensor Compact and they are both designed by Pentax. There is a big difference among the image resolutions of the 645D (40MP) and E85 (12MP) and the 645D (Medium format) and E85 (1/2.3") use different sensor sizes.
President Biden pushes bill mandating TikTok sale or banThe 645D was unveiled 6 months later than the E85 so they are both of a similar generation. Each of the cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax E85 being a Compact camera.
Before getting straight into a step-by-step comparison, below is a quick overview of how the 645D matches up against the E85 when considering portability, imaging, features and an overall grade.
Snapchat Adds Watermarks to AI-Created Images Pentax 645D vs Pentax E85 Gallery
Here is a preview of the gallery images for Pentax 645D and Pentax Optio E85. The full galleries are provided at Pentax 645D Gallery and Pentax E85 Gallery.
Reasons to pick Pentax 645D over the Pentax E85
| 645D | E85 | |||
|---|---|---|---|---|
| Manual focus |  | More precise focus | ||
| Screen sizing | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 921k |  | 230k | Crisper screen (+691k dot) |
Reasons to pick Pentax E85 over the Pentax 645D
| E85 | 645D |
|---|
Common features in the Pentax 645D and Pentax E85
| 645D | E85 | |||
|---|---|---|---|---|
| Launched | March 2010 |  | September 2009 | Same generation |
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither features selfie screen | ||
| Touch screen |  | Lack of Touch screen |
Pentax 645D vs Pentax E85 Physical Comparison
When you are aiming to lug around your camera, you are going to need to consider its weight and proportions. The Pentax 645D enjoys outer measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) while the Pentax E85 has measurements of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") along with a weight of 145 grams (0.32 lbs).
Check the Pentax 645D vs Pentax E85 in the all new Camera and Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have at that moment. Here is the front view size comparison of the 645D vs the E85.
Using size and weight, the portability rating of the 645D and E85 is 50 and 95 respectively.
Pentax 645D vs Pentax E85 Sensor Comparison
Generally, it can be tough to visualize the gap in sensor measurements purely by researching technical specs. The photograph below may give you a far better sense of the sensor sizing in the 645D and E85.
As you have seen, the two cameras enjoy different megapixels and different sensor measurements. The 645D using its bigger sensor is going to make shooting shallower DOF less difficult and the Pentax 645D will provide you with extra detail having an extra 28MP. Higher resolution can also allow you to crop pictures far more aggressively.
Pentax 645D vs Pentax E85 Screen and ViewFinder
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Pentax 645D vs Pentax E85 Specifications
| Pentax 645D | Pentax Optio E85 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Pentax |
| Model type | Pentax 645D | Pentax Optio E85 |
| Category | Pro DSLR | Small Sensor Compact |
| Introduced | 2010-03-10 | 2009-09-17 |
| Physical type | Large SLR | Compact |
| Sensor Information | ||
| Chip | Prime II | - |
| Sensor type | CCD | CCD |
| Sensor size | Medium format | 1/2.3" |
| Sensor measurements | 44 x 33mm | 6.17 x 4.55mm |
| Sensor area | 1,452.0mm² | 28.1mm² |
| Sensor resolution | 40 megapixels | 12 megapixels |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 4:3 and 16:9 |
| Max resolution | 7264 x 5440 | 4000 x 3000 |
| Max native ISO | 1600 | 3200 |
| Minimum native ISO | 200 | 80 |
| RAW images | ||
| Minimum enhanced ISO | 100 | - |
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 11 | - |
| Lens | ||
| Lens support | Pentax 645AF2 | fixed lens |
| Lens zoom range | - | 32-96mm (3.0x) |
| Highest aperture | - | f/2.9-5.2 |
| Macro focusing distance | - | 10cm |
| Amount of lenses | 6 | - |
| Crop factor | 0.8 | 5.8 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display size | 3 inch | 2.7 inch |
| Display resolution | 921k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display tech | TFT Color LCD with wide-viewing angle and with AR coating | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98 percent | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Minimum shutter speed | 30 seconds | 2 seconds |
| Fastest shutter speed | 1/4000 seconds | 1/2000 seconds |
| Continuous shutter rate | 1.0fps | 1.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | - |
| Change white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | no built-in flash | 3.00 m |
| Flash options | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | - |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/125 seconds | - |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | - | 640 x 480 (30 fps), 320 x 240 (30 fps) |
| Max video resolution | None | 640x480 |
| Video data format | - | Motion JPEG |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | None | 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 | 1480 gr (3.26 lbs) | 145 gr (0.32 lbs) |
| Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 93 x 58 x 24mm (3.7" x 2.3" x 0.9") |
| DXO scores | ||
| DXO Overall rating | 82 | not tested |
| DXO Color Depth rating | 24.6 | not tested |
| DXO Dynamic range rating | 12.6 | not tested |
| DXO Low light rating | 1262 | not tested |
| Other | ||
| Battery life | 800 images | - |
| Form of battery | Battery Pack | - |
| Battery ID | D-LI90 | D-LI95 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC | SD/SDHC, Internal |
| Card slots | Dual | Single |
| Cost at release | $4,000 | $0 |