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Pentax E85 vs Sony A77

Portability
95
Imaging
34
Features
10
Overall
24
Pentax Optio E85 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Pentax E85 vs Sony A77 Key Specs

Pentax E85
(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
Sony A77
(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
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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.

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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.

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Reasons to pick Pentax E85 over the Sony A77

 E85 A77 

Reasons to pick Sony A77 over the Pentax E85

 A77 E85 
AnnouncedOctober 2011September 2009More modern by 25 months
Manual focus More exact focus
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution921k230kClearer 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. Camera Size Comparison with Lenses

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.

Pentax E85 vs Sony A77 size comparison

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

Pentax E85 vs Sony A77 top view buttons comparison

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 sensor size comparison

Pentax E85 vs Sony A77 Screen and ViewFinder

Pentax E85 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax E85 as a Portrait photography camera
Sony A77 as a Portrait photography camera
20
lack of manual focus
lack of manual exposure
external flash not possible
MP count low (12MP)
very small sensor size (1/2.3")
doesn't have RAW files
77
you can focus manually
good resolution (24 megapixels)
nice sensor size (APS-C)
provides face detection focusing
saves RAW formats
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Street Comparison

Street photography with Pentax E85
Street photography with Sony A77
47
screen is fixed
no image stabilization
very small sensor size (1/2.3")
doesn't have RAW files
74
fully articulated screen
image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
weather proofing
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Sports Comparison

Pentax E85 as a Sports photography camera
Sony A77 as a Sports photography camera
17
very slow continuous shooting (1.0 frames per second)
lack of shutter priority mode
no image stabilization
MP count low (12MP)
very small sensor size (1/2.3")
doesn't have phase detect autofocus
74
max shutter speed is good (1/8,000s)
image stabilization (Sensor based)
good resolution (24 megapixels)
nice sensor size (APS-C)
weather proofing
supports phase detect AF
bad battery (470 CIPA)
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Travel Comparison

Pentax E85 Travel photography factors
Sony A77 Travel photography factors
51
flash built-in
does not have Timelapse recording
MP count low (12MP)
screen isn't selfie friendly
wide angle not great (32mm)
slow max aperture (f2.9)
62
weather proofing
good resolution (24 megapixels)
has built in flash
screen is selfie friendly
no Timelapse mode
bad battery (470 shots)
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Landscape Comparison

Pentax E85 as a Landscape photography camera
Sony A77 as a Landscape photography camera
23
lack of manual focus
fixed lens (fixed lens mount)
wide angle not great (32mm)
slow max aperture (f2.9)
small screen (2.7")
lack of manual exposure
no image stabilization
MP count low (12 megapixels)
very small sensor size (1/2.3")
doesn't have RAW files
does not have Timelapse recording
71
you can focus manually
interchangeable lenses (Sony/Minolta Alpha mount)
screen size is good (3")
image stabilization (Sensor based)
good resolution (24 megapixels)
nice sensor size (APS-C)
saves RAW formats
weather proofing
bad battery (470 shots)
no Timelapse mode
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Vlogging Comparison

Pentax E85 Vlogging advice
Sony A77 Vlogging advice
22
wide angle not great (32mm)
slow max aperture (f2.9)
screen isn't selfie friendly
no image stabilization
low quality video (640 x 480 resolution)
does not have microphone port
76
screen is selfie friendly
image stabilization (Sensor based)
provides face detection focusing
video res high (1920 x 1080 resolution)
comes with external microphone support
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Pentax E85 vs Sony A77 Specifications

Detailed spec comparison table for Pentax E85 and Sony A77
 Pentax Optio E85Sony 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