Sigma SD1 specifications
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| Format | Interchangeable lens SLR camera | |
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| Image Sensor Size | 23.5 x 15.7mm (1.5x APS-C) | |
| Lens Mount | SIGMA SA bayonet mount | |
| Compatible Lenses | SIGMA SA mount interchangeable lenses | |
| Image Sensor | Foveon X3 direct image sensor (CMOS) | |
| Colour photo detectors | • Total Pixels: 48MP • Effective Pixels: 46MP (4800 x 3200 x 3 layers) |
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| Aspect Ratio | 3:2 | |
| Still Image Format | Exif 2.3, DCF 2.0 | |
| Image recording format | • Lossless compression RAW, 12 bit • JPEG |
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| File Size | RAW • High • Medium • Low JPEG • High Fine Normal Basic • Medium Fine Normal Basic • Low Fine Normal Basic |
Approx 45 MB (4704 x 3136 x 3) Approx 24 MB (3264 x 2176 x 3) Approx 12 MB (2336 x 1568 x 3) Approx 10 MB (4704 x 3136) Approx 5.6 MB (4704 x 3136) Approx 4.2 MB (4704 x 3136) Approx 5 MB (3264 x 2176) Approx 2.7 MB (3264 x 2176) Approx 2 MB (3264 x 2176) Approx 2.5 MB (2336 x 1568) Approx 1.4 MB (2336 x 1568) Approx 1 MB (2336 x 1568) |
| Continuous shooting speed | • 5 frames/sec (Image size High) • 6 frames/sec (Image size Medium, Low) |
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| Continuous buffer | • Max 7 frames (Image size High) • Max 14 frames (Image size Medium, Low) |
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| White Balance | • Auto • Daylight • Shade • Overcast • Incandescent • Fluorescent • Flash • Custom |
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| Color Mode | • Standard • Vivid • Neutral • Portrait • Landscape • B&W • Sepia |
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| ISO Range | • Auto (100-800) • 100 • 200 • 400 • 800 • 1600 • 3200 • 6400 |
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| Viewfinder Type | Pentaprism SLR viewfinder | |
| Viewfinder Frame Coverage | 98% vertical, 98% horizontal | |
| Viewfinder Magnification | 0.95x (with 50mm lens at infinity) | |
| Eye point | 18mm | |
| Diopter Adjustment Range | -3.0 dpt - +1.5 dpt | |
| Mirror | Quick return | |
| Depth of Field Preview | Yes | |
| Metering Modes | • 77-segment Evaluative • Spot • Center Area • Center-Weighted Average |
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| Metering Range | EV 1 to 20 (50mm F1.4 : ISO 100) | |
| Shutter Type | Electronically controlled focal plane shutter | |
| Shutter Speed | • 1/8000th – 30 sec • Bulb (up to 30 sec, or 2 min in extended mode) • Flash sync speed 1/180 sec |
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| Exposure compensation | ± 3EV (in 1/3 stop increments) | |
| Auto Bracketing | • 3 frames up to 3 EV interval (in 1/3 EV steps) • 5 frames up to 1.7 EV interval (in 1/3 EV steps) |
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| Auto Focus Type | TTL phase difference detection system | |
| AF Point | 11 points twin cross sensor | |
| AF Operating Range | EV -1 to +18 (ISO100) | |
| Focus Mode | • Single AF • Continuous AF (with AF motion prediction function) • Manual |
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| Focusing Screen | Fixed, all matt screen | |
| AF Point Selection | • Automatic Selection • Manual Selection |
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| Active AF point indicator | Superimposed in viewfinder | |
| Focus Lock | AF button is pressed or shutter release pressed halfway | |
| AF Assist Light | Yes (orange LED) | |
| Built-in Flash | • Manual Pop-up Built-in flash • GN11 • 17mm lens angle covered |
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| Flash Metering System | S-TTL Auto Flash | |
| Flash Compensation | ± 3 EV (1/3 stop increments) | |
| Flash Sync Terminal | Available | |
| Flash Connectivity | Hot shoe (contact X, with dedicated flash linking contact) | |
| LCD Monitor | • 3.0" TFT colour LCD monitor • 3:2 aspect ratio • Approx. 460,000 dots |
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| Storage Media | Compact Flash (Type I, UDMA compatible) | |
| Power | • Li-ion Battery Pack BP-21 • Battery charger BC-21 • AC Adapter SAC-4 (Optional) |
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| Connectivity | • USB 2.0 • Video out (NTSC/PAL) |
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| Dimensions | • 146 mm (W) × 114 mm (H) × 80 mm (D) • 5.7" (W) × 4.4"(H) × 3.1" (D) |
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| Weight | • 700g/24.7oz (without battery and card) • 790g/27.9oz (including battery and card) |
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| Optional accessories | • AC Adapter SAC-4 • Remote Controller RS-31 • Cable Release Switch CR-21 • Electronic Flash EF-610 DG SUPER, EF-610 DG ST, EM-140 DG |
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