• APS-C 369.0mm2
  • 14.8 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 20.1 megapixels
  • ISO 100 - 16,000
  • Detailed specifications
  • Sigma SD1 Merrill
  • Sony Alpha SLT-A58
Links
Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Sony A68
A58 vs A68
General
Model Number: SD1 Merrill A58
Alternate Model Number(s): SD1  
Camera Format: Pro SLR SLR
Currently Manufactured: Yes No
Retail Price: $2299.00 $600.00
Street Price: $1,799.00 $598.00
Date Available: 2011-06-01 2013-04-15
Tripod Mount: Yes Yes
Weight: 28.1 oz (796 g)
includes batteries
25.8 oz (731 g)
includes batteries, kit lens
Size: 5.7 x 4.5 x 3.1 in.
(146 x 114 x 80 mm)
5.1 x 3.8 x 3.1 in.
(129 x 96 x 78 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Foveon X3 Sony
Effective Megapixels: 14.8 20.1
Sensor Format: APS-C APS-C
Sensor size: 368.95mm2 (23.50mm x 15.70mm) 366.6mm2 (23.50mm x 15.60mm)
Approximate Pixel Pitch: 5.00 microns 4.31 microns
Focal Length Multiplier: 1.5x 1.5x
Aspect Ratio: 3:2 3:2
Color Filter Type: Full Color RGBG
Anti Aliasing Filter: Not needed Fixed
Self-Cleaning: No Yes
Sensor shift image stabilization: No Yes
On-Sensor Phase Detect: No No
DxO Sensor Score:   74
DxO Color Depth Score (bits):   23.3
DxO Dynamic Range Score (evs):   12.5
DxO Maximum Effective ISO Score (iso):   753
Image Capture
Image Resolution: 4704 x 3136 (14.8 MP, 3:2),
3264 x 2176 (7.1 MP, 3:2),
2336 x 1568 (3.7 MP, Other)
5456 x 3632 (19.8 MP, 3:2),
5456 x 3064 (16.7 MP, 16:9),
3872 x 2576 (10.0 MP, 3:2),
3872 x 2176 (8.4 MP, 16:9),
2736 x 1824 (5.0 MP, 3:2),
2736 x 1536 (4.2 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)
Image File Format: JPEG, RAW (.X3F), RAW + JPEG JPEG, RAW (12-bit ARW 2.3), RAW+JPEG
Continuous-mode frames/second: 4.1 4.9
Video Capture
Can take movies: No Yes
Movie Resolution: 1920x1080 (60i or 24p (24/​17Mbps))
1440x1080 (30p/​12Mbps)
640x480 (30p/​3Mbps)
Movie File Format:   AVCHD / MP4; Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC, stereo
Composite Video Out: Yes No
NTSC/PAL Switchable Video: Yes n/a
Video Usable as Viewfinder: No n/a
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: Sigma SA bayonet Sony Alpha (Minolta A)
Lens: Sigma 17-50mm f/2.8 EX DC OS HSM Sony 18-55mm f/3.5-5.6 DT SAM
Focal Length (35mm equivalent): 26 - 75mm 27 - 83mm
Focal Length (actual): 17 - 50mm 18 - 55mm
Zoom Ratio: 2.90x 3.06x
Aperture Range: f/2.8 - f/22 (W/T) f/3.5 - 22 (W), f/5.6 - 36 (T)
Integrated ND Filter: No No
Normal Focus Range: 28 cm to Infinity
11.0 in to Infinity
25 cm to Infinity
9.8 in to Infinity
Macro Focus Range:    
Filter Thread: 77.0mm 55.0mm
Thread Type: n/a n/a
Optical Image Stabilization: Yes No
Digital Zoom: No Yes
Digital Zoom Values: n/a Up to 4x; up to 2x Clear Image Digital Zoom
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Phase-detection with 11-point Twin Cross AF Sensor; Single AF, Continuous AF (with AF motion prediction function), Manual Phase Detection: 15 points (3 points cross type); Wide (auto, 15 points), Zone, Spot, Local; Enhanced Object Tracking; Eye Start AF
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: Optical / LCD (playback only) EVF / LCD
Viewfinder Type: SLR type; Pentaprism, 98% coverage, 0.95x magnification, 18mm eyepoint, -3 to +1.5 diopter EVF type; 1/2-inch, 1.44M-dot OLED Tru-Finder, 100% coverage, 0.88x magnification (0.57x 35mm eq.), 26.5mm from the eyepiece lens / 23mm from the eyepiece frame eye point, -4.0 to +4.0 diopter
Focus Peaking: No Yes
EVF Resolution: n/a 1,440,000 dots
Viewfinder Magnification (35mm equivalent): 0.63x 0.57x
Viewfinder Magnification (nominal/claimed): 0.95x 0.88x
Display
Eye-level Viewfinder: Yes Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 2.7
Rear Display Resolution: 460,000 dots 460,800 dots (153,600 px)
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:   15.0x
Top Deck Display: No No
Exposure
Maximum ISO (native): 6400 16000
Minimum ISO (native): 100 100
ISO Settings: 100, 200, 400, 800, 1600, 3200, 6400 Auto (100-3200), 100, 200, 400, 800, 1600, 3200, 6400, 12800, 16000; (Multi-frame NR mode up to ISO 25600)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Overcast, Incandescent, Fluorescent, Flash and Custom Auto, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation)
Shutter Speed Range: 1/8000 - 30 sec 1/4000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 3.0EV in 0.3EV steps
Metering Modes: 77-segment Evaluative, Center-Weighted Average, Center Area, Spot Metering; EV 1 to 20 (50mm F1.4 : ISO100) 1200-zone Evaluative, Center-weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes:   Scene Modes: Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night View, Handheld Twilight; Picture Effects: Posterization (Color, B/W), Pop Color, Retro Photo, Partial Color (R,G,B,Y), High Contrast Monochrome, Toy Camera, Soft High-key, Soft Focus, HDR Painting, Rich-tone Monochrome, Miniature; Sweep Panorama, Anti Motion Blur, Multi Frame Noise Reduction
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: S-TTL (17mm lens angle covered) Auto, Fill-flash, Slow Sync., Rear Sync., Hi-speed sync., Red-eye reduction (on/off selectable for Auto flash and fill-flash mode), Wireless, Off
Flash Guide Number (ISO 100): 11.0 m / 36.1 ft. 10.0 m / 32.8 ft.
Flash Range Description: Lens aperture dependent. Lens dependent
Max Flash Sync: 1/180 1/160
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 2.0 EV in 0.3EV steps
External Flash Connection: Hot Shoe, PC Sync socket Multi Interface Hot shoe
Built-In Wireless Flash Control:   Full TTL exposure
Image Storage
Usable Memory Types: CF1 MS PRO Duo / SD / SDHC / SDXC
UHS Support:   No UHS support
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (.X3F), RAW + JPEG RAW (12-bit ARW 2.3), RAW+JPEG
Movie File Format:   AVCHD / MP4; Audio: Dolby Digital (AC-3)/MPEG-4 AAC-LC, stereo
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: No No
NFC: No No
Bluetooth: No No
Built-In GPS: No No
Microphone Jack: No Yes
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: No No
DPOF Compliant: No Yes
Remote Control: Yes Yes
Remote Control Type: Optional RS-31 IR Wireless, CR-21 Wired Optional wired RM-VPR1
Connections (extended): Wired Remote, DC Input jacks Type-D Micro HDMI, DC Input, 3.5mm Stereo Micophone Jack, Multi/Micro USB (remote)
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.78 0.51
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.78 0.55
Buffer size for RAW shooting in single shot mode (frames): 7 2
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):   0.57
Camera penalizes early shutter press? Yes No
JPEG shooting speed in burst mode (fps, max resolution): 4.1 4.9
Buffer size for JPEG shooting in burst mode (frames, max resolution): 7 8
RAW shooting speed in burst mode (fps):   4.9
Buffer size for RAW shooting in burst mode (frames):   6
RAW+JPEG shooting speed in burst mode (fps):   4.9
Buffer Size for RAW+JPEG shooting in burst mode (frames):   5
Shutter lag (full AF, wide/mid): 0.38 seconds 0.13 seconds
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.244 seconds 0.082 seconds
Shutter lag (full AF, with flash): 0.52 seconds 0.33 seconds
Shutter Lag (prefocused): 0.088 seconds 0.054 seconds
Shutter Lag (notes): Full Autofocus Lag: Auto Area AF = 0.466s Full Autofocus Shutter Lag, Wide-area Mode = 0.139s
Startup Time: 4.5 seconds 1.9 seconds
Play -> Record Time: 0.5 seconds 1.1 seconds
Flash cycle time, full power:   2.1 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   700 shots
Battery Life, Still (CIPA Rating OVF/EVF):   690 shots
Battery Life, Video:    
Battery Form Factor: Proprietary BP-21 Proprietary
Usable Battery Types: Lithium-ion rechargeable NP-FM500H Lithium-ion rechargeable
Batteries Included: 1 x Proprietary BP-21 Lithium-ion rechargeable 1 x Proprietary NP-FM500H 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: Sigma Photo Pro 5.0 PlayMemories Home, Image Data Converter 4
OS Compatibility:   Windows XP SP3/Vista SP2/7 SP1/8; Mac OS X v10.5 or later. (Software is Windows only.)
Miscellaneous
Notes & Features: 46-megapixel 23.5 x 15.7mm APS-C full-color sensor, weather-resistant magnesium alloy body, dual "TRUE II" image processing engines, 11-point Twin Cross AF sensor, CompactFlash Type 1 with UDMA support. New 20.1MP Exmor APS HD CMOS sensor, SteadyShot INSIDE image stabilization, 2.7" 406K-dot tilting LCD, OLED Tru-Finder EVF, 5fps full-resolution burst mode (up to 8fps in Tele-zoom Continuous Advance Priority AE mode), new Lock-on autofocus, Full HD 1080i60 movies, Multi Interface Hot Shoe, new area-specific noise reduction. U.S. availability and pricing TBD.