Pentax 645D vs Pentax H90
50 Imaging
75 Features
52 Overall
65
93 Imaging
35 Features
24 Overall
30
Pentax 645D vs Pentax H90 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
- Announced March 2010
- New Model is Pentax 645Z
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-140mm (F3.5-5.9) lens
- 153g - 101 x 65 x 28mm
- Launched January 2010
President Biden pushes bill mandating TikTok sale or ban Pentax 645D vs Pentax H90 Overview
Let's take a more detailed look at the Pentax 645D and Pentax H90, former being a Pro DSLR while the latter is a Small Sensor Compact and they are both created by Pentax. There is a large difference between the image resolutions of the 645D (40MP) and H90 (12MP) and the 645D (Medium format) and H90 (1/2.3") enjoy different sensor dimensions.
Snapchat Adds Watermarks to AI-Created ImagesThe 645D was released 2 months later than the H90 so they are both of a similar age. Both of the cameras come with different body type with the Pentax 645D being a Large SLR camera and the Pentax H90 being a Compact camera.
Before we go in to a step-by-step comparison, below is a brief overview of how the 645D matches up versus the H90 for portability, imaging, features and an overall grade.
Photography Glossary Pentax 645D vs Pentax H90 Gallery
The following is a preview of the gallery images for Pentax 645D & Pentax Optio H90. The complete galleries are viewable at Pentax 645D Gallery & Pentax H90 Gallery.
Reasons to pick Pentax 645D over the Pentax H90
| 645D | H90 | |||
|---|---|---|---|---|
| Screen dimension | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 921k |  | 230k | Crisper screen (+691k dot) |
Reasons to pick Pentax H90 over the Pentax 645D
| H90 | 645D |
|---|
Common features in the Pentax 645D and Pentax H90
| 645D | H90 | |||
|---|---|---|---|---|
| Launched | March 2010 |  | January 2010 | Similar age |
| Manual focus |  | Very precise focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither contains selfie screen | ||
| Touch friendly screen |  | Neither contains Touch friendly screen |
Pentax 645D vs Pentax H90 Physical Comparison
If you're intending to lug around your camera often, you'll have to factor its weight and proportions. The Pentax 645D has got external dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) and the Pentax H90 has measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs).
Analyze the Pentax 645D and Pentax H90 in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will vary depending on the lens you are using at the time. Below is the front view size comparison of the 645D compared to the H90.
Looking at size and weight, the portability score of the 645D and H90 is 50 and 93 respectively.
Pentax 645D vs Pentax H90 Sensor Comparison
Generally, its difficult to imagine the contrast between sensor measurements purely by reading through a spec sheet. The photograph underneath may offer you a stronger sense of the sensor dimensions in the 645D and H90.
As you can see, both of the cameras have got different megapixel count and different sensor measurements. The 645D due to its bigger sensor is going to make shooting shallow DOF easier and the Pentax 645D will resolve greater detail as a result of its extra 28MP. Higher resolution can also let you crop photographs much more aggressively.
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Pentax 645D vs Pentax H90 Specifications
| Pentax 645D | Pentax Optio H90 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Pentax |
| Model | Pentax 645D | Pentax Optio H90 |
| Category | Pro DSLR | Small Sensor Compact |
| Announced | 2010-03-10 | 2010-01-25 |
| Physical type | Large SLR | Compact |
| Sensor Information | ||
| Powered by | Prime II | Prime |
| Sensor type | CCD | CCD |
| Sensor size | Medium format | 1/2.3" |
| Sensor measurements | 44 x 33mm | 6.17 x 4.55mm |
| Sensor surface area | 1,452.0mm² | 28.1mm² |
| Sensor resolution | 40MP | 12MP |
| Anti aliasing filter | ||
| Aspect ratio | 4:3 | 4:3 and 16:9 |
| Peak resolution | 7264 x 5440 | 4000 x 3000 |
| Highest native ISO | 1600 | 6400 |
| Minimum native ISO | 200 | 80 |
| RAW data | ||
| Minimum enhanced ISO | 100 | - |
| Autofocusing | ||
| Focus manually | ||
| Autofocus touch | ||
| Autofocus continuous | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Selective autofocus | ||
| Autofocus center weighted | ||
| Multi area autofocus | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 11 | 9 |
| Lens | ||
| Lens mounting type | Pentax 645AF2 | fixed lens |
| Lens focal range | - | 28-140mm (5.0x) |
| Maximal aperture | - | f/3.5-5.9 |
| Macro focus distance | - | 10cm |
| Number of lenses | 6 | - |
| Focal length multiplier | 0.8 | 5.8 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display size | 3 inch | 2.7 inch |
| Resolution of display | 921k dots | 230k dots |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Display tech | TFT Color LCD with wide-viewing angle and with AR coating | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | None |
| Viewfinder coverage | 98 percent | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Minimum shutter speed | 30s | 4s |
| Fastest shutter speed | 1/4000s | 1/2000s |
| Continuous shutter rate | 1.0 frames per sec | 1.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | - |
| Change white balance | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | 4.00 m |
| Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red-eye, Soft |
| Hot shoe | ||
| AE bracketing | ||
| White balance bracketing | ||
| Fastest flash synchronize | 1/125s | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Highest video resolution | None | 1280x720 |
| Video data format | - | Motion JPEG |
| Microphone support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | None | Eye-Fi Connected |
| 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 lb) | 153 grams (0.34 lb) |
| Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 101 x 65 x 28mm (4.0" x 2.6" x 1.1") |
| DXO scores | ||
| DXO Overall score | 82 | not tested |
| DXO Color Depth score | 24.6 | not tested |
| DXO Dynamic range score | 12.6 | not tested |
| DXO Low light score | 1262 | not tested |
| Other | ||
| Battery life | 800 photos | - |
| Form of battery | Battery Pack | - |
| Battery model | D-LI90 | D-LI68 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Storage type | SD/SDHC | SD/SDHC, Internal |
| Card slots | 2 | One |
| Price at release | $4,000 | $150 |