No adapter plate is used with this coupling. J represents distance above reference point Y (top of mount bracket).

用这种连接器就不需要连接垫板。J代表距离参考点y的距离(安装托架顶部)。

youdao

And when fitted with a FUJIFILM M Mount Adapter, the X-E1 can use a wide variety of M lenses to broaden the scope of your photography.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

Like the other Nikon 1 system cameras, V2 shooters will have access to a growing lineup of incredible 1 NIKKOR lenses, Nikon 1 accessories, as well as F-Mount NIKKOR lenses when connected to the FT-1 Mount Adapter.

ENGADGET: Nikon 1 V2 unveiled: 14.2 megapixel ILC shoots 15fps stills for $899.95 in November

DENVER, CO (September 10, 2012) - PENTAX RICOH IMAGING AMERICAS CORPORATION (PENTAX), today expands on the innovative Q-system with the new 12.4 megapixel PENTAX Q10 interchangeable lens camera, new Q-Mount PENTAX 06 15-45mm F2.8 telephoto zoom lens and Adapter Q for PENTAX K-mount lenses, expanding its family of compact Q series products.

ENGADGET: Pentax launches Q10 interchangeable lens camera, K-5 II and K-5 IIs flagship DSLRs