• 35mm 861.6mm2
  • 50.1 megapixels
  • ISO 100 - 32,000
  • 35mm 864.0mm2
  • 61.0 megapixels
  • ISO 100 - 25,600
  • Detailed specifications
  • Sony Alpha ILCE-A1
  • Sigma fp L
Links
Prices: Compare Prices  
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: A1 fp L
Alternate Model Number(s): ILCE-1  
Camera Format: Compact System Camera Compact System Camera
Currently Manufactured: Yes Yes
Retail Price: $6500.00 $2499.00
Street Price: $5,498.00  
Date Available: 2021-03-01 2021-04-14
Tripod Mount: Yes Yes
Weight: 26.0 oz (737 g)
includes batteries
15.1 oz (427 g)
includes batteries
Size: 5.1 x 3.8 x 3.2 in.
(129 x 97 x 81 mm)
4.4 x 2.8 x 1.8 in.
(113 x 70 x 45 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CMOS CMOS
Sensor Manufacturer: Sony  
Effective Megapixels: 50.1 61.0
Sensor Format: 35mm 35mm
Sensor size: 861.6mm2 (35.90mm x 24.00mm) 864mm2 (36.00mm x 24.00mm)
Approximate Pixel Pitch: 4.16 microns 3.78 microns
Focal Length Multiplier: 1.0x 1.0x
Aspect Ratio: 3:2 3:2
Color Filter Type: RGBG Bayer
Anti Aliasing Filter: None Fixed
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: Yes No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 8640 x 5760 (49.8 MP, 3:2),
5616 x 3744 (21.0 MP, 3:2),
4320 x 2880 (12.4 MP, 3:2),
7680 x 5760 (44.2 MP, 4:3),
4992 x 3744 (18.7 MP, 4:3),
3840 x 2880 (11.1 MP, 4:3),
8760 x 4864 (42.6 MP, Other),
5616 x 3160 (17.7 MP, 16:9),
4320 x 2432 (10.5 MP, 16:9),
5760 x 5760 (33.2 MP, 1:1),
3744 x 3744 (14.0 MP, 1:1),
2880 x 2880 (8.3 MP, 1:1)
9520 x 6328 (60.2 MP, 3:2),
6240 x 4144 (25.9 MP, Other),
4768 x 3168 (15.1 MP, Other),
3840 x 2552 (9.8 MP, 3:2),
1920 x 1280 (2.5 MP, 3:2),
8944 x 6328 (56.6 MP, Other),
5856 x 4144 (24.3 MP, Other),
4480 x 3168 (14.2 MP, Other),
3616 x 2552 (9.2 MP, Other),
1808 x 1280 (2.3 MP, Other),
8432 x 6328 (53.4 MP, 4:3),
5520 x 4144 (22.9 MP, 4:3),
4224 x 3168 (13.4 MP, 4:3),
3408 x 2552 (8.7 MP, Other),
1696 x 1280 (2.2 MP, 4:3),
9520 x 5352 (51.0 MP, 16:9),
6240 x 3512 (21.9 MP, 16:9),
4768 x 2680 (12.8 MP, 16:9),
3840 x 2160 (8.3 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9),
7856 x 6328 (49.7 MP, Other),
5152 x 4144 (21.3 MP, Other),
3920 x 3168 (12.4 MP, Other),
3168 x 2552 (8.1 MP, Other)
Image File Format: JPEG, HEIF, Compressed RAW, Lo, RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF JPEG (EXIF 2.3), RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG
Continuous-mode frames/second: 30.0 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 7680x4320 (30p/​25p/​24p)
3840x2160 (120p/​100p/​60p/​50p/​30p/​25p/​24p)
1920x1080 (60p/​50p/​30p/​25p/​24p)
1920x1080 (1p/​2p/​3p/​4p/​6p/​8p/​12p/​15p/​25p/​30p/​50p/​60p/​100p/​120p/​200p/​240p)
3840x2160 (30p/​25p/​24p)
1920x1080 (120p/​100p/​60p/​50p/​30p/​25p/​24p)
Movie File Format: XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit)
Composite Video Out: No No
NTSC/PAL Switchable Video: n/a n/a
Video Usable as Viewfinder: n/a n/a
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Sony E L Mount
Lens: n/a n/a
Focal Length (35mm equivalent):    
Focal Length (actual):    
Zoom Ratio:    
Aperture Range:    
Integrated ND Filter: No No
Normal Focus Range:    
Macro Focus Range:    
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No No
Digital Zoom: Yes
Digital Zoom Values: Up to 4x; up to 2x Clear Image Digital Zoom  
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Fast Hybrid 4D AF: 759 points (PDAF), 425 points (contrast-detection AF); Wide (759 points (PDAF), 425 points (CDAF))/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot/Tracking (Wide/Zone/Center/Flexible Spot (S/M/L)/Expanded Flexible Spot); Touch AF Hybrid Image plane phase-difference AF + Contrast detect AF: Auto, 49-points selection mode, Free Movement mode, Face / Eye Detection AF mode, Tracking AF mode
Auto Focus Assist Light? Yes No
Manual Focus: Yes Yes
Viewfinder
Viewfinder: EVF / LCD No / LCD
Viewfinder Type: EVF: 0.64" 9.44M-dot QXGA color OLED, 100% coverage, 0.90x magnification, 60/120/240fps refresh rates, -4.0 to +3.0 diopter, 25mm eyepoint from the eyepiece lens Optional Electronic Viewfinder EVF-11 can be attached to side of camera (0.5 inch OLED panel, approx. 3.68 M dots; 0.83x mag. ratio; 21mm eyepoint; -4 to +3 diopter) / LCD View Finder LVF-11 can be attached to rear LCD
Focus Peaking: Yes Yes
EVF Resolution: 9,437,184 dots (3,145,728 pixels) n/a
Viewfinder Magnification (35mm equivalent): 0.90x  
Viewfinder Magnification (nominal/claimed): 0.90x  
Display
Eye-level Viewfinder: Yes No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.2
Rear Display Resolution: 1,440,000 dots (360,000 px) 2,100,000 dots
Touchscreen: Yes Yes
Articulating Screen: Yes No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display: No No
Exposure
Maximum ISO (native): 32000 25600
Minimum ISO (native): 100 100
ISO Settings: AUTO, ISO 100 - 32000, expandable to ISO 50 - 102400 Auto, 100-25600, expandable to ISO 6, 12, 25, 50, 51200, 102400
Auto ISO Mode: Yes Yes
White Balance Settings: Auto (with Priority), Daylight, Shade, Cloudy, Incandescent, Fluorescent (4 settings), Flash, Underwater, Custom, Color Temp./ Filter (2500-9900K with 15-step Magenta/Green compensation) Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1/2/3
Shutter Speed Range: 1/32000 - 30 sec 1/8000 - 30 sec
Bulb Mode: Yes Yes
Exposure Compensation: +/- 5.0EV in 0.3EV steps +/- 5.0EV in 0.3EV steps
Metering Modes: 1200-zone Evaluative Multi-segment, Center-weighted, Spot, Spot Standard/Large, Entire Screen Avg., Highlight Evaluative, center-weighted average, spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Picture Effect: Posterization (Color), Posterization (B/W), Pop Color, Retro Photo, Partial Color (R/G/B/Y), High Contrast Monochrome, Toy Camera (Normal / Cool / Warm / Green / Magenta), Soft High-key; HDR: Auto Exposure Difference, Exposure difference Level (1-6 EV at 1.0 EV step) Color modes: Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Teal & Orange, Sunset Red, Forest Green,FOV Classic Blue, FOV Classic Yellow, Monochrome; Fill Light, Shading Correction, HDR shooting
Self Timer: 2, 5, 10; 3/5 shots after 2/5/10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: No No
Flash Modes: Flash off, Auto flash, Fill-flash, Slow Sync., Rear Sync., Hi-speed Sync, Wireless; Red-eye reduction: On/Off S-TTL automatic light control, Manual, Wireless flash, Multi-emission; Red-eye effect reduction, Slow synchronization, 2nd Curtain Synchronization
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a n/a
Max Flash Sync: 1/400s (1/500s APS-C crop mode) 1/15 (1/10 or less in 14-bit RAW mode)
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps +/- 3.0 EV in 0.3EV steps
External Flash Connection: Multi Interface Hot Shoe with Digital Audio Interface, Sync Terminal Hot Shoe Unit HU-11 (supplied)
Built-In Wireless Flash Control: No No
Image Storage
Usable Memory Types: SD / SDHC / SDXC / CFexpress SD / SDHC / SDXC
UHS Support: UHS-II UHS-II
Other Memory: 2x CFexpress Type A+SD UHS-II Supports Portable SSD storage
Dual Card Slots: Yes No
RAW Capture Support: Yes Yes
Uncompressed Format: RAW (14-bit ARW 2.3), RAW+JPEG, RAW+HEIF RAW (lossless compressed DNG (12 or 14 bit)), RAW+JPEG
Movie File Format: XAVC S (Long GOP, H.264 MP4); XAVC HS (Long GOP, H.265 HEVC); XAVC S-I (All-Intra, H.264 MP4) CinemaDNG (8/10/12-bit) / MOV H.264( ALL-I /GOP) with Linear PCM stereo audio (48KHz, 16-bit)
Included Memory: No memory included No memory included
Included Memory Type:    
Connectivity
Built-In Wi-Fi: Yes No
NFC: Yes No
Bluetooth: Yes No
Built-In GPS: No No
Microphone Jack: Yes Yes
Headphone Jack: Yes No
External Connections: USB 2.0 High Speed,USB 3.0 Super Speed,Ethernet,Bluetooth,WiFi USB 3.0 Super Speed
PictBridge Compliant: No No
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional via IR, USB, Ethernet or Wi-Fi/Bluetooth Optional wired (Cable Release CR-41)
Connections (extended): USB-C (USB 3.2 10Gbps), Type-D Micro HDMI, 1000Base-T Ethernet, 3.5mm Microphone and Headphone Jacks, Sync Terminal USB Type-C (USB3.1 Gen1, with Power Delivery), Micro HDMI (Type D), 3.5mm stereo mic/remote jack, Headphone jack available on optional EVF-11 accessory
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution): 30.0 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 165 12
RAW shooting speed in burst mode (fps): 20.0  
Buffer size for RAW shooting in burst mode (frames): 155  
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 530 shots 240 shots
Battery Life, Still (CIPA Rating OVF/EVF): 430 shots  
Battery Life, Video: 150 minutes  
Battery Form Factor: Proprietary Proprietary BP-51
Usable Battery Types: NP-FZ100 Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary NP-FZ100 Lithium-ion rechargeable 1 x Proprietary BP-51 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes No
Dedicated Battery Charger Included: Yes No
Internal Charging Supported: Yes Yes
Software
Included Software: Capture One Express (for Sony) free download; Sony Imaging Edge Remote, Viewer and Edit  
OS Compatibility: Windows, macOS  
Miscellaneous
Notes & Features: The SIGMA fp L supports USB charging while the camera is powered on. You can shoot without interruption while charging the camera using a mobile battery. Functions as a webcam with PC powering camera via the USB connection.