| Manufacturer: | Sigma |
| Model: | SA7 SLR |
| Type: | 35-mm AF single-reflex camera with focal-plane shutter |
| Compatible film: | 35-mm cartridge film |
| Automatic ISO sensitivity adjustment range: | DX: ISO 25 to 5000, Manual: ISO 6 to 6400 (1/3 steps) |
| Image size: | 24mm x 36mm |
| Lens mount: | Sigma SA bayonet mount |
| Compatible lenses: | Sigma SA mount lens group |
| Autofocus mechanism: | TTL phase difference detection system: Operating range of EV-1 to EV+18 (ISO100) |
| Focus mode: | AF-S (single), AF-C (continuous), AF lock after focusing in AF-S mode, equipped with motion prediction function in AF-C mode |
| View finder: | Penta mirror type, single-lens reflex viewfinder Fixed full-surface matte screen, with cross focus frame, center area metering. Diopter adjustment range of -1.5 to +1.5 diopters, visual field vertical and horizontal of 92%, magnification of 0.7 x (50 mm lens at infinity) |
| Viewfinder indications: | Flash indication, focus indication, aperture, shutter speed, exposure compensation, auto bracket, AE lock indications |
| Mirror: | Quick-return type, AF half-mirror |
| Metering systems: | 8-segment evaluative metering, center area metering, average metering, user selectable, metering range of EV-1 to 20 (with F1.4lens ISO 100) |
| Exposure modes: | P (Program auto exposure mode with shift function), S (Shutter speed Priority auto exposure mode), A (Aperture Priority auto exposure mode), M (Manual exposure mode) (total 4 modes) |
| Auto bracket: | Three consecutive pictures at standard exposure, underexposure, and overexposure Maximum variation of ±3 EV in 1/2 EV steps |
| Exposure compensation: | ±3 EV (in 1/2 steps) |
| AE lock: | Pushbutton type (exposure settings are locked while the button in depressed) |
| Shutter: | Vertical-travel metal focal plane shutter electronically controlled throughout entire speed range |
| Shutter speed: | Auto mode: P, A modes, 1/2000 to 30 sec. stepless, S mode: 1/2000 to 4 sec. (dial type) in 1 EV steps. M mode: Dial type 1/2000 to 4 sec. (1EV steps), bulb |
| Film wind and rewind: | Automatic advance and rewinding by built-in motor, automatic stop after rewinding Continuous advance possible (maximum: about 3 frames per second), mid-roll rewind possible |
| Built-in flash: | TTL auto light control system (GN 12/m (40/ft) at ISO 100 manual pull-up type), equipped with red-eye reduction with light pulse function and slow synchronization. |
| Battery: | Two, 3-V lithium batteries (CR2 batteries) |
| Battery check: | Automatic voltage check, 3-level power indication on LCD panel |
| External flash synchronization: | Hot shoe (contact X, synchronized at 1/90-sec. or less, with dedicated flash-linking contact), synchronization with high shutter speeds of up to 1/2000-sec. when using EF-500 Super in FP flash mode |
| Others: | Mirror Lock-up function, continuous shooting mode, multiple exposures (up to nine), remote control (3-channel wireless) |
| Size and weight: | 132.5 mm/5.2 in. (width) x 91.5 mm/3.6 in. (height) x 69.5 mm/2.7 in. (depth) mm, 395 g/13.9 oz. (excluding battery) |