Brand: PETRI
Category: Camera
Document Type:
Language: EN
Manual for HALF 7
Uploaded: Aug. 9, 2025, 11:59 p.m.
Camera Operation:
Film Loading: Open back cover, insert film into cartridge box, ensure sprocket holes align with take-up spool, advance film to confirm. Note: Use 40 or 72 exposure film, load in a shady place.
Focusing: Look through viewfinder. Turn focal adjusting lever to select one of three pictures (1m, 3m, infinity) based on subject distance. Depth-of-field is deep.
Exposure Setting:
E.E. System: Automatic exposure. Set ASA indicator to film's ASA (e.g., 100 for XX-film, 200 for XXX-film). Aim and shoot.
Manual Operation (for Synchro-photography): Turn ASA indicator ring to red scale for bulb/strobe. Set aperture manually. Shutter speed fixed at 1/30 sec.
Unloading Film: Push return button on bottom, pull rewind crank, turn as marked. When no resistance, open back cover to remove cartridge.
Film Loading: Open back cover, insert film into cartridge box, ensure sprocket holes align with take-up spool, advance film to confirm. Note: Use 40 or 72 exposure film, load in a shady place.
Focusing: Look through viewfinder. Turn focal adjusting lever to select one of three pictures (1m, 3m, infinity) based on subject distance. Depth-of-field is deep.
Exposure Setting:
E.E. System: Automatic exposure. Set ASA indicator to film's ASA (e.g., 100 for XX-film, 200 for XXX-film). Aim and shoot.
Manual Operation (for Synchro-photography): Turn ASA indicator ring to red scale for bulb/strobe. Set aperture manually. Shutter speed fixed at 1/30 sec.
Unloading Film: Push return button on bottom, pull rewind crank, turn as marked. When no resistance, open back cover to remove cartridge.
Troubleshooting and error codes
| Problem | Cause | Remedy |
|---|---|---|
| Under-exposure | Needle in red zone (left). Subject too dim. | Use higher ASA film or synchro-photography. |
| Over-exposure | Needle in red zone (right). Subject too bright. | Use ND filter or dark filters. |