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ALPA Back-Adapter HO

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ALPA Back-Adapter HO

Product Description

ALPA backadapter HO - for the Horseman and Arca Swiss (6x7/6x9) rollfilm back interface.

ALPA back adapters for Roll-Film Backs Mamiya RB and Horseman

ALPA has been producing the two adapters for roll film backs from Mamiya (for the RB) and Horseman since their introduction in 1998. Both roll-film backs follow the Graflok 23 standard. But as their flange distances differ by about 15 hundredths of a millimeter, ALPA offers two dedicated versions for the Mamiya RB and Horseman.

Besides, the Mamiya MA adapter features the rear release button that triggers the automatic film advance on the RB motorized variants. The adapter is compatible with all manual and motorized backs for 6x4.5 to 6x8. We have found the best flatness with the motorized backs for 6x7 and 6x8.

The Horseman adapter HO allows the popular 6x7 and 6x9 backs from Horseman and ArcaSwiss (identical in construction). By the way, the 6x9 format here is around 56x82 mm, whereas ALPA's own ALPA/Linhof 6x9 back exposes 56x84 mm.

Introduced in 1998

ALPA introduced the original back adapters for Hasselblad V (type HA), Mamiya RB67 (type MA) and Horseman (type HO) in 1998. They are in production since then in slightly modified versions.

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Product Introduction
Product Status
ALPA  PID
Professional Price in CHF
Short Description
190.020.010
free, courtesy of ALPA
628.00
Price on request
Price on request
Introduced 1998
Current Product
ALPA backadapter HO