Nikon PK-11A Auto Extension Ring
Auto extension ring with AI diaphragm coupling,Extension: 8mmDimensions: 64.4(/) x 17.8mmWeight(g): 50
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Nikon PK-11A Auto Extension Ring
Auto extension ring with AI diaphragm coupling,Extension: 8mmDimensions: 64.4(/) x 17.8mmWeight(g): 50
Pentax 6×7 Auto Extension Tube Set
For close-up work, this auto extension tube set is mounted between the lens (45 to 300mm) and the camera body and can be used singly or in any combination. With a 105mm f/2.4 standard lens, its three-tube setting offers a magnification up to 1.07x. Auto diaphragm operation is retained.
Bronica Auto Extension Tube 18mm For The Bronica SQAI
Tubes cannot be mixed and matched or used with each other or with the bellows.
Pentax 645 Auto Extension Tube Set
The auto extension tube-A 645 set, offers three tubes of different lengths, used independently or in any combination (13.3mm-79.8mm) for magnifications of 0.35x-1.22x with the 75mm f/2.8 lens or for a maximum magnification of 2.57x with the 55mm lens mounted in reverse.
Nikon PK-13 Auto Extension Ring
Auto extension ring with AI diaphragm coupling.Extension: 27.5Dimensions: 64.4(/) x 30.5mm