Pentax 645D vs Sony T99
50 Imaging
74 Features
52 Overall
65
96 Imaging
36 Features
27 Overall
32
Pentax 645D vs Sony T99 Key Specs
(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
- Revealed March 2010
- Refreshed by Pentax 645Z
(Full Review)
- 14MP - 1/2.3" Sensor
- 3" Fixed Screen
- ISO 80 - 3200
- Optical Image Stabilization
- 1280 x 720 video
- 25-100mm (F3.5-4.6) lens
- 121g - 93 x 56 x 17mm
- Introduced July 2010
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On this page, we will be reviewing the Pentax 645D vs Sony T99, one is a Pro DSLR and the latter is a Ultracompact by competitors Pentax and Sony. There is a huge difference among the sensor resolutions of the 645D (40MP) and T99 (14MP) and the 645D (Medium format) and T99 (1/2.3") offer different sensor size.
Snapchat Adds Watermarks to AI-Created ImagesThe 645D was brought out 4 months earlier than the T99 which means that they are of a similar generation. Both of the cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony T99 being a Ultracompact camera.
Before diving straight to a step-by-step comparison, here is a short highlight of how the 645D matches up vs the T99 when considering portability, imaging, features and an overall mark.
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This is a preview of the gallery photos for Pentax 645D and Sony Cyber-shot DSC-T99. The entire galleries are provided at Pentax 645D Gallery and Sony T99 Gallery.
Reasons to pick Pentax 645D over the Sony T99
| 645D | T99 | |||
|---|---|---|---|---|
| Manually focus |  | Very precise focusing | ||
| Screen resolution | 921k |  | 230k | Sharper screen (+691k dot) |
Reasons to pick Sony T99 over the Pentax 645D
| T99 | 645D | |||
|---|---|---|---|---|
| Touch friendly screen |  | Quickly navigate |
Common features in the Pentax 645D and Sony T99
| 645D | T99 | |||
|---|---|---|---|---|
| Introduced | March 2010 |  | July 2010 | Same generation |
| Screen type | Fixed |  | Fixed | Fixed screen |
| Screen dimensions | 3" |  | 3" | Equal screen size |
| Selfie screen |  | Lacking selfie screen |
Pentax 645D vs Sony T99 Physical Comparison
For those who are aiming to travel with your camera, you have to consider its weight and size. The Pentax 645D has physical dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) and the Sony T99 has specifications of 93mm x 56mm x 17mm (3.7" x 2.2" x 0.7") and a weight of 121 grams (0.27 lbs).
Compare the Pentax 645D vs Sony T99 in the new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are employing at the time. Below is a front view over all size comparison of the 645D versus the T99.
Taking into consideration size and weight, the portability score of the 645D and T99 is 50 and 96 respectively.
Pentax 645D vs Sony T99 Sensor Comparison
Usually, it's tough to picture the gap in sensor dimensions simply by researching a spec sheet. The picture underneath may provide you a more clear sense of the sensor sizes in the 645D and T99.
Clearly, both of those cameras have different resolutions and different sensor dimensions. The 645D due to its bigger sensor is going to make shooting shallow DOF simpler and the Pentax 645D will provide you with extra detail having its extra 26 Megapixels. Higher resolution will also let you crop photographs a bit more aggressively.
Pentax 645D vs Sony T99 Screen and ViewFinder
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Pentax 645D vs Sony T99 Specifications
| Pentax 645D | Sony Cyber-shot DSC-T99 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model type | Pentax 645D | Sony Cyber-shot DSC-T99 |
| Type | Pro DSLR | Ultracompact |
| Revealed | 2010-03-10 | 2010-07-08 |
| Physical type | Large SLR | Ultracompact |
| Sensor Information | ||
| Powered by | Prime II | Bionz |
| 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 | 40 megapixel | 14 megapixel |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 4:3 and 16:9 |
| Highest resolution | 7264 x 5440 | 4320 x 3240 |
| Highest native ISO | 1600 | 3200 |
| Min native ISO | 200 | 80 |
| RAW pictures | ||
| Min boosted ISO | 100 | - |
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Autofocus selectice | ||
| Autofocus center weighted | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detection autofocus | ||
| Contract detection autofocus | ||
| Phase detection autofocus | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens mount type | Pentax 645AF2 | fixed lens |
| Lens zoom range | - | 25-100mm (4.0x) |
| Max aperture | - | f/3.5-4.6 |
| Macro focusing distance | - | 1cm |
| Number of lenses | 6 | - |
| Crop factor | 0.8 | 5.8 |
| Screen | ||
| Type of screen | Fixed Type | Fixed Type |
| Screen size | 3" | 3" |
| Resolution of screen | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Screen tech | TFT Color LCD with wide-viewing angle and with AR coating | - |
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | None |
| Viewfinder coverage | 98% | - |
| Viewfinder magnification | 0.85x | - |
| Features | ||
| Slowest shutter speed | 30 seconds | 2 seconds |
| Maximum shutter speed | 1/4000 seconds | 1/1250 seconds |
| Continuous shooting rate | 1.0 frames/s | 10.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | - |
| Set white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | no built-in flash | 4.60 m |
| Flash modes | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red eye, Slow syncro |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash synchronize | 1/125 seconds | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | - | 1280 x 720 (30 fps), 640 x 480 (30 fps) |
| Highest video resolution | None | 1280x720 |
| Video file format | - | MPEG-4 |
| Microphone port | ||
| Headphone port | ||
| 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 | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 1480g (3.26 lbs) | 121g (0.27 lbs) |
| Physical dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 93 x 56 x 17mm (3.7" x 2.2" x 0.7") |
| DXO scores | ||
| DXO All around 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 | - |
| Battery type | Battery Pack | - |
| Battery ID | D-LI90 | NP-BN1 |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec, portrait1, portrait2) |
| Time lapse recording | ||
| Storage type | SD/SDHC | SD/ SDHC/ SDXC, Memory Stick Duo/Pro Duo, Internal |
| Card slots | Dual | 1 |
| Price at launch | $4,000 | $179 |