Hasselblad's film back — the A12 for 6x6 format on V-system cameras.
The Hasselblad A12 Film Back is an interchangeable film back for Hasselblad V-system cameras (500 series). It accepts 120 roll film and produces twelve 6x6 square-format images per roll. The A12 is the most common and essential V-system accessory — the modular back system is a defining feature of the Hasselblad V system.
The A12 provides 6x6 format — the classic Hasselblad square image that defined medium format photography. The interchangeable design enables mid-roll film changes, multiple film type loading, and instant Polaroid proofing with different backs. The 12-exposure capacity on 120 film is the standard. Dark slide prevents light exposure during back changes.
Hasselblad V mount — specific to 500C, 500CM, 501CM, 503CW, and similar V-series bodies. Weight moderate. Build quality is outstanding Hasselblad precision. The A12 is essential for any V-system shooting — the camera cannot function without a film back. Multiple A12 backs enable film type changes mid-roll.
Available at moderate prices. Check light seals, dark slide, and film advance mechanism. Essential for any Hasselblad V-system user — the camera requires a film back. Light seals degrade over time and may need replacement. The A12 is the most common V-system back. Used V-system backs should be tested before relying on for shoots.