Pentax E85 vs Sony A77
95 Imaging
34 Features
10 Overall
24


59 Imaging
63 Features
83 Overall
71
Pentax E85 vs Sony A77 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 2.7" Fixed Display
- ISO 80 - 3200
- 640 x 480 video
- 32-96mm (F2.9-5.2) lens
- 145g - 93 x 58 x 24mm
- Announced September 2009
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 50 - 16000 (Raise to 25600)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Announced October 2011
- Succeeded the Sony A700
- Updated by Sony A77 II

Pentax E85 vs Sony A77 Overview
Following is a comprehensive comparison of the Pentax E85 vs Sony A77, former is a Small Sensor Compact while the latter is a Advanced DSLR by brands Pentax and Sony. There exists a substantial gap among the resolutions of the E85 (12MP) and A77 (24MP) and the E85 (1/2.3") and A77 (APS-C) boast different sensor dimensions.

The E85 was announced 3 years before the A77 which is a fairly big difference as far as camera technology is concerned. Both the cameras have different body design with the Pentax E85 being a Compact camera and the Sony A77 being a Mid-size SLR camera.
Before getting straight to a comprehensive comparison, here is a simple summation of how the E85 matches up against the A77 when considering portability, imaging, features and an overall score.

Pentax E85 vs Sony A77 Gallery
Here is a preview of the gallery photos for Pentax Optio E85 & Sony SLT-A77. The whole galleries are available at Pentax E85 Gallery & Sony A77 Gallery.
Reasons to pick Pentax E85 over the Sony A77
E85 | A77 |
---|
Reasons to pick Sony A77 over the Pentax E85
A77 | E85 | |||
---|---|---|---|---|
Announced | October 2011 | ![]() | September 2009 | More modern by 25 months |
Manual focus | ![]() | More exact focus | ||
Screen type | Fully Articulated | ![]() | Fixed | Fully Articulating screen |
Screen dimensions | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 921k | ![]() | 230k | Clearer screen (+691k dot) |
Selfie screen | ![]() | Take selfies |
Common features in the Pentax E85 and Sony A77
E85 | A77 | |||
---|---|---|---|---|
Touch friendly screen | ![]() | Missing Touch friendly screen |
Pentax E85 vs Sony A77 Physical Comparison
For anybody who is planning to carry around your camera frequently, you have to take into account its weight and size. The Pentax E85 features outside measurements of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") and a weight of 145 grams (0.32 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).
Check the Pentax E85 vs Sony A77 in our completely new Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will change depending on the lens you use at the time. Following is a front view over all size comparison of the E85 compared to the A77.

Factoring in dimensions and weight, the portability score of the E85 and A77 is 95 and 59 respectively.

Pentax E85 vs Sony A77 Sensor Comparison
More often than not, it is tough to visualize the gap in sensor sizes only by seeing specs. The pic below may give you a clearer sense of the sensor measurements in the E85 and A77.
All in all, both of these cameras provide different megapixels and different sensor sizes. The E85 having a smaller sensor is going to make getting shallower depth of field more challenging and the Sony A77 will show greater detail with its extra 12 Megapixels. Higher resolution will also enable you to crop shots more aggressively. The more aged E85 will be behind in sensor tech.

Pentax E85 vs Sony A77 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax E85 vs Sony A77 Specifications
Pentax Optio E85 | Sony SLT-A77 | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model type | Pentax Optio E85 | Sony SLT-A77 |
Category | Small Sensor Compact | Advanced DSLR |
Announced | 2009-09-17 | 2011-10-25 |
Physical type | Compact | Mid-size SLR |
Sensor Information | ||
Powered by | - | Bionz |
Sensor type | CCD | CMOS |
Sensor size | 1/2.3" | APS-C |
Sensor measurements | 6.17 x 4.55mm | 23.5 x 15.6mm |
Sensor area | 28.1mm² | 366.6mm² |
Sensor resolution | 12MP | 24MP |
Anti alias filter | ||
Aspect ratio | 4:3 and 16:9 | 3:2 and 16:9 |
Full resolution | 4000 x 3000 | 6000 x 4000 |
Max native ISO | 3200 | 16000 |
Max boosted ISO | - | 25600 |
Lowest native ISO | 80 | 50 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | - | 19 |
Cross type focus points | - | 11 |
Lens | ||
Lens support | fixed lens | Sony/Minolta Alpha |
Lens zoom range | 32-96mm (3.0x) | - |
Maximum aperture | f/2.9-5.2 | - |
Macro focusing range | 10cm | - |
Number of lenses | - | 143 |
Crop factor | 5.8 | 1.5 |
Screen | ||
Display type | Fixed Type | Fully Articulated |
Display diagonal | 2.7 inch | 3 inch |
Resolution of display | 230k dots | 921k dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | None | Electronic |
Viewfinder resolution | - | 2,359k dots |
Viewfinder coverage | - | 100 percent |
Viewfinder magnification | - | 0.73x |
Features | ||
Slowest shutter speed | 2s | 30s |
Maximum shutter speed | 1/2000s | 1/8000s |
Continuous shooting rate | 1.0 frames per sec | 12.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | - | Yes |
Change white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash distance | 3.00 m | 12.00 m |
Flash options | - | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
External flash | ||
AEB | ||
WB bracketing | ||
Maximum flash synchronize | - | 1/250s |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 640 x 480 (30 fps), 320 x 240 (30 fps) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps) |
Max video resolution | 640x480 | 1920x1080 |
Video file format | Motion JPEG | MPEG-4, AVCHD, H.264 |
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 | BuiltIn |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 145 grams (0.32 pounds) | 732 grams (1.61 pounds) |
Physical dimensions | 93 x 58 x 24mm (3.7" x 2.3" x 0.9") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO All around rating | not tested | 78 |
DXO Color Depth rating | not tested | 24.0 |
DXO Dynamic range rating | not tested | 13.2 |
DXO Low light rating | not tested | 801 |
Other | ||
Battery life | - | 470 photos |
Battery style | - | Battery Pack |
Battery ID | D-LI95 | NP-FM500H |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Type of storage | SD/SDHC, Internal | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Card slots | Single | Single |
Retail pricing | $0 | $900 |