Pentax ist DS2 vs Sony A850
68 Imaging
44 Features
33 Overall
39
54 Imaging
68 Features
60 Overall
64
Pentax ist DS2 vs Sony A850 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 200 - 3200
- Pentax KAF Mount
- 605g - 125 x 93 x 66mm
- Revealed August 2005
(Full Review)
- 25MP - Full frame Sensor
- 3" Fixed Screen
- ISO 200 - 3200 (Push to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- No Video
- Sony/Minolta Alpha Mount
- 895g - 156 x 117 x 82mm
- Revealed April 2010
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The following is a thorough analysis of the Pentax ist DS2 versus Sony A850, both Advanced DSLR digital cameras by manufacturers Pentax and Sony. There exists a significant gap between the resolutions of the ist DS2 (6MP) and A850 (25MP) and the ist DS2 (APS-C) and A850 (Full frame) come with totally different sensor dimensions.
Photography GlossaryThe ist DS2 was manufactured 5 years prior to the A850 which is quite a sizable gap as far as technology is concerned. Both of these cameras offer the identical body type (Mid-size SLR).
Before getting in to a thorough comparison, below is a brief introduction of how the ist DS2 grades against the A850 with respect to portability, imaging, features and an overall mark.
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Following is a preview of the gallery photos for Pentax ist DS2 and Sony Alpha DSLR-A850. The entire galleries are provided at Pentax ist DS2 Gallery and Sony A850 Gallery.
Reasons to pick Pentax ist DS2 over the Sony A850
| ist DS2 | A850 |
|---|
Reasons to pick Sony A850 over the Pentax ist DS2
| A850 | ist DS2 | |||
|---|---|---|---|---|
| Revealed | April 2010 |  | August 2005 | Newer by 56 months |
| Screen sizing | 3" |  | 2.5" | Bigger screen (+0.5") |
| Screen resolution | 922k |  | 210k | Crisper screen (+712k dot) |
Common features in the Pentax ist DS2 and Sony A850
| ist DS2 | A850 | |||
|---|---|---|---|---|
| Manually focus |  | Dial exact focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Neither includes selfie screen | ||
| Touch screen |  | Neither includes Touch screen |
Pentax ist DS2 vs Sony A850 Physical Comparison
For those who are aiming to travel with your camera often, you have to take into account its weight and dimensions. The Pentax ist DS2 features outer dimensions of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") along with a weight of 605 grams (1.33 lbs) while the Sony A850 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).
Examine the Pentax ist DS2 versus Sony A850 in the latest Camera with Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you are working with during that time. Here is the front view proportions comparison of the ist DS2 vs the A850.
Looking at dimensions and weight, the portability grade of the ist DS2 and A850 is 68 and 54 respectively.
Pentax ist DS2 vs Sony A850 Sensor Comparison
Sometimes, it's hard to envision the difference between sensor dimensions simply by checking technical specs. The picture below should provide you a better sense of the sensor sizes in the ist DS2 and A850.
As you can tell, both cameras offer different megapixel count and different sensor dimensions. The ist DS2 because of its tinier sensor will make getting shallow depth of field harder and the Sony A850 will give you extra detail due to its extra 19MP. Higher resolution will help you crop photographs a little more aggressively. The more aged ist DS2 is going to be behind with regard to sensor innovation.
Pentax ist DS2 vs Sony A850 Screen and ViewFinder
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Pentax ist DS2 vs Sony A850 Specifications
| Pentax ist DS2 | Sony Alpha DSLR-A850 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax ist DS2 | Sony Alpha DSLR-A850 |
| Type | Advanced DSLR | Advanced DSLR |
| Revealed | 2005-08-22 | 2010-04-15 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Chip | - | Bionz |
| Sensor type | CCD | CMOS |
| Sensor size | APS-C | Full frame |
| Sensor measurements | 23.5 x 15.7mm | 35.9 x 24mm |
| Sensor surface area | 369.0mm² | 861.6mm² |
| Sensor resolution | 6 megapixel | 25 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest resolution | 3008 x 2008 | 6048 x 4032 |
| Highest native ISO | 3200 | 3200 |
| Highest boosted ISO | - | 6400 |
| Lowest native ISO | 200 | 200 |
| RAW support | ||
| Autofocusing | ||
| Manual focusing | ||
| Autofocus touch | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect autofocus | ||
| Contract detect autofocus | ||
| Phase detect autofocus | ||
| Total focus points | 11 | 9 |
| Lens | ||
| Lens mount type | Pentax KAF | Sony/Minolta Alpha |
| Amount of lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display size | 2.5" | 3" |
| Display resolution | 210 thousand dots | 922 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Display tech | - | TFT Xtra Fine color LCD |
| Viewfinder Information | ||
| Viewfinder | Optical | Optical (pentaprism) |
| Viewfinder coverage | 95% | 98% |
| Viewfinder magnification | 0.64x | 0.74x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/4000 seconds | 1/8000 seconds |
| Continuous shooting rate | 3.0 frames per sec | 3.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | - | no built-in flash |
| Flash settings | Auto, On, Off, Red-eye reduction | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Maximum flash synchronize | - | 1/250 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Highest video resolution | - | None |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | No | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 1.0 (1.5 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 605 grams (1.33 pounds) | 895 grams (1.97 pounds) |
| Dimensions | 125 x 93 x 66mm (4.9" x 3.7" x 2.6") | 156 x 117 x 82mm (6.1" x 4.6" x 3.2") |
| DXO scores | ||
| DXO All around rating | not tested | 79 |
| DXO Color Depth rating | not tested | 23.8 |
| DXO Dynamic range rating | not tested | 12.2 |
| DXO Low light rating | not tested | 1415 |
| Other | ||
| Battery life | - | 880 photos |
| Battery type | - | Battery Pack |
| Battery ID | 4 x AA | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/MMC card | Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo |
| Card slots | Single | Two |
| Pricing at launch | - | $0 |
