• APS-C 365.0mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • APS-C 372.1mm2
  • 16.3 megapixels
  • ISO 100 - 51,200
  • Detailed specifications
  • Sony Alpha SLT-A35
  • Pentax K-500
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A35 K-500
Alternate Model Number(s):    
Camera Format: SLR SLR
Currently Manufactured: No No
Retail Price: $699.99 $599.95
Street Price: $567.17 $596.95
Date Available: 2011-08-31 2013-07-15
Tripod Mount: Yes Yes
Weight: 24.5 oz (694 g)
includes batteries, kit lens
30.1 oz (852 g)
includes batteries, kit lens
Size: 4.9 x 3.6 x 3.3 in.
(124 x 92 x 85 mm)
5.1 x 3.8 x 2.8 in.
(130 x 97 x 71 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony Sony
Effective Megapixels: 16.2 16.3
Sensor Format: APS-C APS-C
Sensor size: 365.04mm2 (23.40mm x 15.60mm) 372.09mm2 (23.70mm x 15.70mm)
Approximate Pixel Pitch: 4.76 microns 4.81 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2, 16:9 3:2
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed Fixed
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 74 79
DxO Color Depth Score (bits): 23.3 23.7
DxO Dynamic Range Score (evs): 12.7 13.1
DxO Maximum Effective ISO Score (iso): 763 1,087
Image Capture
Image Resolution: 4912 x 3264 (16.0 MP, 3:2),
4912 x 2760 (13.6 MP, 16:9),
3568 x 2368 (8.4 MP, Other),
3568 x 2000 (7.1 MP, 16:9),
2448 x 1624 (4.0 MP, Other),
2448 x 1376 (3.4 MP, 16:9),
12416 x 1856 (23.0 MP, Other),
8192 x 1856 (15.2 MP, Other),
2160 x 5536 (12.0 MP, Other),
2160 x 3872 (8.4 MP, Other),
7152 x 1080 (7.7 MP, Other),
4912 x 1080 (5.3 MP, Other),
1920 x 1080 (2.1 MP, 16:9)
4928 x 3264 (16.1 MP, Other),
4224 x 2816 (11.9 MP, 3:2),
3456 x 2304 (8.0 MP, 3:2),
2688 x 1792 (4.8 MP, 3:2)
Image File Format: JPEG, RAW (ARW 2.2), RAW+JPEG JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG
Continuous-mode frames/second: 5.5 6.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i)
1440x1080 (30)
640x480 (30)
1920x1080 (30p/​25p/​24p)
1280x720 (60p/​50p/​30p/​25p/​24p)
640x480 (30p/​25p/​24p)
Movie File Format: AVCHD, MP4 MOV MPEG-4 AVC (H.264) with monaural audio
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a No
HD Video Out: Yes No
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) Pentax K (KA/KAF/KAF2/3)
Lens: Sony 18-55mm f/3.5-5.6 DT SAM smc PENTAX-DA L 18-55mm f/3.5-5.6 AL; 11 elements in 8 groups, 6 bladed diaphragm
Focal Length (35mm equivalent): 27 - 83mm 27 - 83mm
Focal Length (actual): 18 - 55mm 18 - 55mm
Zoom Ratio: 3.00x 3.06x
Aperture Range: f/3.5 - 22 (W), f/5.6 - ?? (T) f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele)
Integrated ND Filter: No No
Normal Focus Range:   25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 55.0mm 52.0mm
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: No No
Digital Zoom Values: n/a n/a
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase Detection: 15 points (3 points cross type); Wide, Spot, Local. Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot)
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD Optical / LCD
Viewfinder Type: EVF type; 1.1cm (0.43") 1.15M-dot LCD (380K-dot time-multiplexed RGB), 100% coverage, 1.1x mag., 19mm eyepoint, -4 to +4 diopter SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, 21.7mm eyepoint (from view window), Natural-Bright-Matte III focusing screen (interchangeable)
Focus Peaking: No Yes
EVF Resolution:   n/a
Viewfinder Magnification (35mm equivalent): 0.73x 0.61x
Viewfinder Magnification (nominal/claimed): 1.10x 0.92x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 921,600 dots 921,600 dots (307,200 px)
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 11.8x 16.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 12800 51200
Minimum ISO (native): 100 100
ISO Settings: Auto, 100, 200, 400, 800, 1600, 3200, 6400, 12800; (Multi-frame NR mode up to ISO 25600) Auto, 100-51200 (1, 1/2 or 1/3 EV steps)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500 – 9900K with 19-step Magenta/Green compensation) Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets
Shutter Speed Range: 1/4000 - 30 sec 1/6000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 49-zone Multi-segment, Center-weighted, Spot TTL open-aperture: 77-segment, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, Sports Action, Macro, Landscape, Sunset, Night view, Hand-held Twilight (6 shot layering), Night Portrait, Picture Effect, Sweep Panorama (2D/3D) Sensitivity Priority, Shutter and Aperture Priority, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum, *JPEG only); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3
Self Timer: 2, 10; 3 or 5 after 10 sec seconds 2 or 12 seconds
Time Lapse (intervalometer):   Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync
Flash Guide Number (ISO 100): 10.0 m / 32.8 ft. 12.0 m / 39.4 ft.
Flash Range Description: Lens dependent Depends on lens
Max Flash Sync: 1/160 1/180
Flash Exposure Compensation: +/- 2.0 EV in 0.3EV steps -2 to +1 EV in 0.5EV steps
External Flash Connection: Hot shoe Hot Shoe
Built-In Wireless Flash Control: Full TTL exposure Full TTL exposure
Image Storage
Usable Memory Types: MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (ARW 2.2), RAW+JPEG 12-bit RAW (.DNG), RAW+JPEG
Movie File Format: AVCHD, MP4 MOV MPEG-4 AVC (H.264) with monaural audio
Included Memory:   No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: Yes No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional Wireless (RMT-DSLR1) or Wired (RM-S1AM/RM-L1AM) Optional Wired or IR
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV HD); Wired Remote Terminal, 3.5mm External Stereo Micophone Jack Wired remote port
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.53  
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.54  
Buffer size for RAW shooting in single shot mode (frames): 8  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.5 6.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 12 30
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid): 0.22 seconds  
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.217 seconds  
Shutter lag (full AF, with flash): 0.48 seconds  
Shutter Lag (prefocused): 0.102 seconds  
Shutter Lag (notes): Wide-area full AF lag = 0.214s  
Startup Time: 0.9 seconds  
Play -> Record Time: 0.4 seconds  
Flash cycle time, full power: 3.3 seconds  
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):    
Battery Life, Still (CIPA Rating OVF/EVF): 420 shots 710 shots (Lithium AA)
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FW50 4 x AA or proprietary D--LI109 Lithion-ion
Usable Battery Types: Lithium-ion rechargeable AA (Alkaline, NiMH, Lithium) or optional D-LI109 Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FW50 Lithium-ion rechargeable 4 x AA Lithium disposables
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter SR, Image Data Lightbox SR) Software CDROM (SILKYPIX Developer Studio for PENTAX included)
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.3 +)  
Miscellaneous
Notes & Features: Super SteadyShot Image Stabilization, 1080i HD Video, Auto+, Picture Effects, Multi-frame NR, Hand-held Twilight, Auto HDR, D-Range Optimizer, 2D/3D Sweep Panorama, Smile Shutter, DOF Preview, 5.5fps Full-res Burst Mode (7fps in Cropped "Telezoom" 8MP Mode). Entry-level model: Similar to K-50 in IQ and performance, but not weather sealed, comes with 4 Energizer lithium AAs, and only available in black.