Pentax K-3 with Sony SLT-A77 Overview
Let's compare Sony SLT-A77 with Pentax K-3.
These models are included in the Semi-Pro DSLR cameras.
Sony A77 was released in 2011, and Pentax K-3 in 2014.
K-3 is newer, which is a plus. SLT-A77 3 years older.
These two cameras have the same sensor resolution - 24 MP.
The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
At the second camera (K-3), the minimum ISO value is lower, which gives more opportunities for shooting in daylight.
A larger maximum ISO allows you to take good pictures in the dark.
At Pentax K-3, the maximum ISO is greater by 35200.
Both cameras have Sensor-shift image stabilization.
Both cameras feature a 3-inch articulated screen.
SLT-A77 has electronic viewfinder, and the K-3 doesn’t have.
Viewfinder SLT-A77 has a higher resolution of 2359k dots, K-3 has a resolution of no electronic viewfinderk dots.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony SLT-A77 has 8.0 fps continuous shooting.
Sony SLT-A77 has 8.0 fps continuous shooting.
| General |
SLT-A77 |
K-3 |
| Brand |
Sony
|
Pentax
|
| Model |
SLT-A77 |
K-3 |
| Announced |
October, 2011 |
April, 2014 |
| Body Type |
Mid-size SLR |
Mid-size SLR |
| Lens |
| Lens Mount |
Sony/Minolta Alpha |
Pentax KAF2 |
| Manual Focus |
|
|
| Focal Lens Multiplier |
1.5 |
1.5 |
| Number of Lenses |
143 |
150 |
| Macro Focus Range |
n/a |
n/a |
| Screen |
| Screen Size |
3" |
3" |
| Screen Type |
Articulated |
Fixed |
| Screen Resolution |
921k pixels |
1037k pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Electronic |
Optical (pentaprism) |
| Viewfinder Resolution |
2359 |
| Viewfinder Coverage |
100% |
100% |
| Viewfinder Magnification |
0.73 |
0.64 |
| Autofocus |
| AF Touch |
|
|
| AF Continuous |
|
|
| AF Single |
|
|
| AF Tracking |
|
|
| AF Selective |
|
|
| AF Center |
|
|
| AF Multi Area |
|
|
| AF Live View |
|
|
| AF Face Detection |
|
|
| AF Contrast Detection |
|
|
| AF Phase Detection |
|
|
| Number of Focus Points |
19 |
27 |
| Number of Cross Focus Points |
11 |
25 |
| Photography Features |
| RAW Support |
|
|
| Min Shutter Speed |
1/30 sec |
1/30 sec |
| Max Shutter Speed |
1/8000 sec |
1/8000 sec |
| Continuous Shooting |
12.0 fps |
8.0 fps |
| Shutter Priority |
|
|
| Aperture Priority |
|
|
| Manual Exposure Mode |
|
|
| Exposure Compensation |
|
|
| Custom White Balance |
|
|
| Image Stabilization |
|
|
| Built-in Flash |
|
|
| Flash Range |
12.00 |
13.00 |
| Flash Modes |
Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless |
Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual |
| External Flash |
|
|
| AE Bracketing |
|
|
| AE Bracketing Range |
±5 EV |
±5 EV |
| WB Bracketing |
|
|
| Sensor |
| Sensor Size |
APS-C |
APS-C |
| Sensor Type |
CMOS |
CMOS |
| Sensor Dimensions |
23.5 x 15.6 mm |
23.5 x 15.6 mm |
| Sensor Area |
366.6 mm² |
366.6 mm² |
| Sensor Resolution |
24 MP |
24 MP |
| Max Image Resolution |
6000 x 4000 |
6016 x 4000 |
| Max Native ISO |
16000 |
51200 |
| Min Native ISO |
50 |
100 |
| Max Boosted ISO |
25600 |
0 |
| Min Boosted ISO |
0 |
0 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
1920 x 1080 |
1920 x 1080 |
| Video Formats |
MPEG-4, AVCHD, H.264 |
MPEG-4, H.264 |
| Timelapse Recording |
|
|
| Microphone Port |
|
|
| Headphone Port |
|
|
| Exposure Modes |
| Multi-Segment |
|
|
| Average |
|
|
| Spot |
|
|
| Partial |
|
|
| AF-Area |
|
|
| Center Weighted |
|
|
| Connectivity |
| GPS |
Built-In |
Optional |
| Wireless Connectivity |
Built-In |
Built-In |
| Bluetooth |
|
|
| HDMI |
|
|
| USB |
USB 2.0 (480 Mbit/sec) |
USB 3.0 (5 GBit/sec) |
| Battery |
| Battery Life |
470 shots |
560 shots |
| Battery Type |
Battery Pack |
Battery Pack |
| Battery Model |
NP-FM500H |
D-LI90 |
| Physical |
| Weight |
732 g |
800 g |
| Physical Dimensions |
143 x 104 x 81 mm |
131 x 100 x 77 mm |
| Environmental Sealing |
|
|
| Water Proof |
|
|
| Dust Proof |
|
|
| Shock Proof |
|
|
| Crush Proof |
|
|
| Freeze Proof |
|
|
| Shock Proof |
|
|
| Storage |
| Storage Type |
SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Dual SD/SDHC/SDXC |
| Storage Slots |
1 |
2 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
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