• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • 1/1.7 inch 43.3mm2
  • 12.0 megapixels
  • 28.00mm - 112.00mm (35mm eq.)
  • Detailed specifications
  • Sony Alpha SLT-A99
  • Pentax MX-1
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor: Sony A99 II
A99 vs A99 II
 
General
Model Number: A99 MX-1
Alternate Model Number(s): SLT-A99V  
Camera Format: SLR Mid-Sized
Currently Manufactured: No No
Retail Price: $2799.99 $499.95
Street Price: $1,998.00 $399.95
Date Available: 2012-10-15 2013-02-15
Tripod Mount: Yes Yes
Weight: 29.2 oz (828 g)
includes batteries
14.1 oz (399 g)
includes batteries
Size: 5.8 x 4.4 x 3.1 in.
(147 x 111 x 78 mm)
4.8 x 2.4 x 2.0 in.
(122 x 61 x 51 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony BSI CMOS
Effective Megapixels: 24.3 12.0
Sensor Format: 35mm 1/1.7 inch
Sensor size: 855.62mm2 (35.80mm x 23.90mm) 43.32mm2 (7.6mm x 5.7mm)
Approximate Pixel Pitch: 5.97 microns 1.90 microns
Focal Length Multiplier: 1.0x n/a
Aspect Ratio: 3:2 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes Yes
Sensor shift image stabilization: Yes Yes
On-Sensor Phase Detect: No No
DxO Sensor Score: 89 49
DxO Color Depth Score (bits): 25.0 20.4
DxO Dynamic Range Score (evs): 14.0 11.3
DxO Maximum Effective ISO Score (iso): 1,555 208
Image Capture
Image Resolution: 6000 x 4000 (24.0 MP, 3:2),
6000 x 3376 (20.3 MP, 16:9),
3936 x 2624 (10.3 MP, 3:2),
3936 x 2216 (8.7 MP, 16:9),
2640 x 1760 (4.6 MP, 3:2),
2640 x 1488 (3.9 MP, Other),
1728 x 1152 (2.0 MP, 3:2),
1728 x 976 (1.7 MP, Other),
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)
4000 x 3000 (12.0 MP, 4:3),
3984 x 2656 (10.6 MP, 3:2),
3968 x 2232 (8.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2592 x 1728 (4.5 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
2048 x 1152 (2.4 MP, 16:9)
Image File Format: JPEG (EXIF 2.3), 14-bit RAW (ARW 2.3), RAW+JPEG JPEG (Exif 2.3), 12-bit DNG RAW
Continuous-mode frames/second: 5.9 4.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60p/​28Mbps/​PS or 60i/​24Mbps/​FX or 60i/​17Mbps/​FH or 24p/​24Mbps/​FX or 24p/​17Mbps/​FH)
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
1920x1080 (30p)
1280x720 (60p/​30p)
640x480 (120p)
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (MPEG-4 AVC/H.264) with stereo sound
Composite Video Out: No Yes
NTSC/PAL Switchable Video: n/a Yes
Video Usable as Viewfinder: n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony Alpha (Minolta A) n/a
Lens: n/a smc Pentax Lens, 11 elements in 8 groups (4 aspherical elements)
Focal Length (35mm equivalent):   28 - 112mm
Focal Length (actual):   6 - 24mm
Zoom Ratio:   4.00x
Aperture Range:   f/1.8 (W) / f/2.5 (T) - f/8
Integrated ND Filter: No Yes
Normal Focus Range:   40 cm to Infinity
15.6 in to Infinity
Macro Focus Range:   1 - 20 cm
0.4 - 7.9 in
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes Yes
Digital Zoom Values: 1.4x / 2x Up to 1.95x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Dual Phase-detection: 19 points (11 points cross type) CCD line sensors, 102 assist points focal plane phase-detection sensors; Wide (auto, 19 points), Zone, Spot, Local selectable Contrast Detection: Auto, Spot, Tracking , AF Select (25 Points), Infinity Landscape, Manual Focus, Pan Focus, AF Point Switching
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD No / LCD
Viewfinder Type: EVF type; 1.3cm (0.5-inch) 2,359K-dot XGA OLED, ~100% coverage, 0.71x magnification, 22mm eyepoint at -1 diopter (CIPA standard), -4 to +3 diopter, eye sensor.  
Focus Peaking: Yes No
EVF Resolution: 2,359,000 dots n/a
Viewfinder Magnification (35mm equivalent): 0.71x  
Viewfinder Magnification (nominal/claimed): 0.71x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 1,228,800 dots (307,200 px) 921,000 dots (307,000 px)
Touchscreen: No No
Articulating Screen: Yes Yes
Tilt Swivel Screen: Yes
Selfie Screen: Yes
Max Playback Zoom: 16.7x 10.0x
Top Deck Display: Yes
Exposure
Maximum ISO (native): 25600 12800
Minimum ISO (native): 100 100
ISO Settings: Auto (100-6400 with selectable limits), 100-25600 in 1/3 EV steps, extendable down to ISO 50; Multi-frame NR up to ISO 51200 Auto (100-12800 with selectable upper limit), 100-12800
Auto ISO Mode: Yes Yes
White Balance Settings: Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent (Warm white/Cool white/Day white/Daylight), Flash, C. Temp 2500 to 9900K, C Filter G7 to M7 (15-step), Custom, AWB micro adjustment Auto, Daylight, Shade, Cloudy, Fluorescent light (D:Daylight Color, N:Daylight White, W:Cool White, L:Warm White),Tungsten, Flash
Shutter Speed Range: 1/8000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative, Center-weighted, Spot Multi-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, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight, Sweep Panorama, Telezoom Continuous Priority AE Natural Skin Tone, Handheld Night Snap (5M), Night Scene Portrait, Night Scene, Digital Panorama (2M per frame), High Speed Movie (VGA, 120 FPS capture, 30 FPS playback), Time Lapse Movie, Landscape, Blue Sky, Sunset, Flower, Digital SR (ISO 3200-6400 5M), Kids, Pet, Portrait, Food, Fireworks, Surf & Snow, Sport, Fisheye, Sketch, Miniature Filter, Text, Frame Composite (3M); Digital filters (capture): Movie (B&W, Sepia, Fisheye, Miniature, Sketch); Dynamic Range adjustment: Yes (shadow, highlight)
Self Timer: 2, 10; 3 or 5 frames after 10s seconds 2 or 10; 3 shots after 10 seconds
Time Lapse (intervalometer):   No
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: Auto, Off, Fill-flash, Rear sync, Wireless, High-Speed sync, Slow sync, Red-eye reduction: On/Off Auto, Flash Off, Flash On, Red-eye, Slow-speed synchro, Slow-speed+Red-eye, Trailing Curtain Sync
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a 1.31 - 40’ (wide, auto ISO), 1.31 - 29’ (tele, auto ISO)
Max Flash Sync: 1/250  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps -2 to +1 EV in 0.3EV steps
External Flash Connection: Multi Interface Shoe, PC-Sync terminal n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: MS Duo / MS PRO Duo / SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support: UHS-I  
Other Memory:    
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: 14-bit RAW (ARW 2.3), RAW+JPEG 12-bit DNG RAW
Movie File Format: AVCHD 2.0 / MP4; Audio :Dolby Digital (AC-3) / MPEG-4 AAC-LC MOV (MPEG-4 AVC/H.264) with stereo sound
Included Memory: No memory included 75.3 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: Yes No
Microphone Jack: Yes No
Headphone Jack: Yes 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 or Wired Optional IR
Connections (extended): Type-C HDMI Mini Connector (BRAVIA Sync, PhotoTV H); Wired Remote Terminal, External Stereo Micophone Jack, External Stereo Headphone Jack, DC Input, Vertical Grip connector, Sync Terminal, Multi Interface Shoe, Built-in GPS Micro (Type D) HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.50 1.43
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.56 1.91
Buffer size for RAW shooting in single shot mode (frames): Unlimited 7
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): 0.58  
Camera penalizes early shutter press? No No
JPEG shooting speed in burst mode (fps, max resolution): 5.9 4.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 17 10
RAW shooting speed in burst mode (fps): 5.9  
Buffer size for RAW shooting in burst mode (frames): 18  
RAW+JPEG shooting speed in burst mode (fps): 5.9  
Buffer Size for RAW+JPEG shooting in burst mode (frames): 13  
Shutter lag (full AF, wide/mid): 0.13 seconds 0.24 seconds
Shutter lag (full AF, tele):   0.25 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.081 seconds 0.178 seconds
Shutter lag (full AF, with flash):   0.30 seconds
Shutter Lag (prefocused): 0.055 seconds 0.016 seconds
Shutter Lag (notes): Full AF lag, Wide-area AF mode = 0.125s Prefocused shutter lag with Electronic First Curtain Off = 0.108s  
Startup Time: 0.7 seconds 2.2 seconds
Play -> Record Time: 1.1 seconds 1.4 seconds
Flash cycle time, full power:   4.8 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 500 shots 290 shots
Battery Life, Still (CIPA Rating OVF/EVF): 410 shots  
Battery Life, Video:    
Battery Form Factor: Proprietary NP-FM500H Proprietary D-Li106
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FM500H Lithium-ion rechargeable 1 x Proprietary D-Li106 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: Yes
Internal Charging Supported: No
Software
Included Software: Software CD-ROM (includes Picture Motion Browser, Image Data Converter 4, Remote Camera Control 3) Software CD-ROM including SILKYPIX Developer Studio 3.0 LE for PENTAX RICOH IMAGING RAW development software
OS Compatibility: Windows XP SP3/Vista SP2/7, Mac OS X (v.10.5 +); PMB is Windows only  
Miscellaneous
Notes & Features: 24.3MP full-frame image sensor, SteadyShot INSIDE image stabilization, dual phase-detect AF, 200K shutter, AVCHD 2.0 video, hi-res OLED EVF, articulating 1.3M-dot LCD, 6 fps bursts at full resolution, up to 10 fps Tele-zoom mode, two card slots (SD/MS, SD), real-time Full HD video out via HDMI, built-in GPS. Image Stabilization: Still: Sensor-Shift SR, Digital SR (ISO 100-12800), Dual (SR & Pixel Track SR); Movie: Movie Shake Reduction Mode (Movie SR); (Maximum effect of 3 stops using Sensor-Shift SR); 12-bit RAW (DNG) support, Dual-axial digital level, Dual remote control sensors. Available in black or two-tone silver and black.