Pentax Q vs Sony A77
93 Imaging
35 Features
47 Overall
39
59 Imaging
62 Features
83 Overall
70
Pentax Q vs Sony A77 Key Specs
(Full Review)
- 12MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 125 - 6400
- Sensor based Image Stabilization
- 1920 x 1080 video
- Pentax Q Mount
- 180g - 98 x 57 x 31mm
- Introduced June 2011
- Newer Model is Pentax Q10
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 16000 (Bump to 25600)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 732g - 143 x 104 x 81mm
- Announced October 2011
- Replaced the Sony A700
- Replacement is Sony A77 II
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Lets examine more closely at the Pentax Q versus Sony A77, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Pentax and Sony. There exists a sizeable gap between the resolutions of the Q (12MP) and A77 (24MP) and the Q (1/2.3") and A77 (APS-C) possess totally different sensor dimensions.
Photography GlossaryThe Q was announced 4 months prior to the A77 so they are of a similar generation. Both of the cameras offer different body type with the Pentax Q being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.
Before getting straight into a step-by-step comparison, below is a simple view of how the Q matches up vs the A77 in the way of portability, imaging, features and an overall score.
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Here is a sample of the gallery pictures for Pentax Q and Sony SLT-A77. The whole galleries are viewable at Pentax Q Gallery and Sony A77 Gallery.
Reasons to pick Pentax Q over the Sony A77
| Q | A77 |
|---|
Reasons to pick Sony A77 over the Pentax Q
| A77 | Q | |||
|---|---|---|---|---|
| Display type | Fully Articulated | Fixed | Fully Articulating display | |
| Display resolution | 921k | 460k | Clearer display (+461k dot) | |
| Selfie screen | Easy selfies |
Common features in the Pentax Q and Sony A77
| Q | A77 | |||
|---|---|---|---|---|
| Announced | June 2011 | October 2011 | Similar generation | |
| Focus manually | Dial precise focus | |||
| Display sizing | 3" | 3" | Equivalent display sizing | |
| Touch friendly display | Absent Touch friendly display |
Pentax Q vs Sony A77 Physical Comparison
For anybody who is aiming to carry around your camera frequently, you have to consider its weight and measurements. The Pentax Q comes with exterior measurements of 98mm x 57mm x 31mm (3.9" x 2.2" x 1.2") with a weight of 180 grams (0.40 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).
Take a look at the Pentax Q versus Sony A77 in the all new Camera with Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have at that moment. Underneath is the front view proportions comparison of the Q versus the A77.

Taking into consideration dimensions and weight, the portability score of the Q and A77 is 93 and 59 respectively.
Pentax Q vs Sony A77 Sensor Comparison
More often than not, it's hard to see the gap between sensor sizes purely by going over a spec sheet. The pic underneath should offer you a far better sense of the sensor measurements in the Q and A77.
As you can see, the two cameras enjoy different megapixels and different sensor sizes. The Q having a tinier sensor will make getting shallow DOF harder and the Sony A77 will offer you more detail with its extra 12MP. Greater resolution can also help you crop pics far more aggressively.
Pentax Q vs Sony A77 Screen and ViewFinder
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Pentax Q vs Sony A77 Specifications
| Pentax Q | Sony SLT-A77 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax Q | Sony SLT-A77 |
| Type | Entry-Level Mirrorless | Advanced DSLR |
| Introduced | 2011-06-23 | 2011-10-25 |
| Physical type | Rangefinder-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Chip | - | Bionz |
| Sensor type | CMOS | CMOS |
| Sensor size | 1/2.3" | APS-C |
| Sensor dimensions | 6.17 x 4.55mm | 23.5 x 15.6mm |
| Sensor surface area | 28.1mm² | 366.6mm² |
| Sensor resolution | 12 megapixel | 24 megapixel |
| Anti alias filter | ||
| Aspect ratio | 1:1, 4:3, 3:2 and 16:9 | 3:2 and 16:9 |
| Full resolution | 4000 x 3000 | 6000 x 4000 |
| Max native ISO | 6400 | 16000 |
| Max boosted ISO | - | 25600 |
| Min native ISO | 125 | 50 |
| RAW files | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| Continuous autofocus | ||
| Autofocus single | ||
| Tracking autofocus | ||
| Selective autofocus | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Autofocus live view | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Total focus points | 25 | 19 |
| Cross type focus points | - | 11 |
| Lens | ||
| Lens support | Pentax Q | Sony/Minolta Alpha |
| Amount of lenses | 8 | 143 |
| Crop factor | 5.8 | 1.5 |
| Screen | ||
| Display type | Fixed Type | Fully Articulated |
| Display sizing | 3 inch | 3 inch |
| Display resolution | 460 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Display technology | TFT Color LCD | - |
| Viewfinder Information | ||
| Viewfinder | None | Electronic |
| Viewfinder resolution | - | 2,359 thousand dots |
| Viewfinder coverage | - | 100% |
| Viewfinder magnification | - | 0.73x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/2000 seconds | 1/8000 seconds |
| Continuous shooting rate | 2.0fps | 12.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Set white balance | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash distance | 5.60 m | 12.00 m |
| Flash modes | Auto, On, Off, Red-Eye, Slow Sync, Trailing-curtain sync | Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
| External flash | ||
| AEB | ||
| White balance bracketing | ||
| Maximum flash synchronize | 1/2000 seconds | 1/250 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (30 fps), 1280 x 720p (30 fps), 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 | 1920x1080 | 1920x1080 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic 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 | BuiltIn |
| Physical | ||
| Environment sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 180g (0.40 pounds) | 732g (1.61 pounds) |
| Dimensions | 98 x 57 x 31mm (3.9" x 2.2" x 1.2") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
| DXO scores | ||
| DXO All around rating | 47 | 78 |
| DXO Color Depth rating | 20.2 | 24.0 |
| DXO Dynamic range rating | 11.1 | 13.2 |
| DXO Low light rating | 189 | 801 |
| Other | ||
| Battery life | 230 pictures | 470 pictures |
| Type of battery | Battery Pack | Battery Pack |
| Battery ID | D-LI68 | NP-FM500H |
| Self timer | Yes (2 or 12 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
| Card slots | Single | Single |
| Retail pricing | $695 | $900 |