Original Rollei 4 piece universal extension ring set. Set enables open lens focusing and automatic diaphragm function with dual cable release. Also serves as close up shade and filter holder for retro mounted lenses.
Extensions available with this set are both 40mm and 80mm. Ring can also be combined with individual extension rings and bellows system.
80mm Planar retro mounted, extension ring assembly serves as automatic closing device for the diaphragm and doubles as a shade and filter holder.
|Ring assembly for 80mm with automatic diaphragm, not retro position of lens. Ideal for longer lenses.
|Ring assembly for 40mm with automatic diaphragm, not retro position of lens. Ideal for longer lenses.
|The 4 pieces that come with the Extension Ring Set:
|Shown here is an "ideal" set of extension rings, assuming that the lens will be reverse mounted on the camera.
It is one complete set of the 4 piece extension ring plus one extra optical ring #1. While 1 and 2 together act as shade, filter holder and adaptyer for automatic diaphragm, the extra # 1 ring couples with either # 3 for a 40mm extension or # 4 for an 80mm extension ring.
|The 3 possible combinations with the different parts of the set (from left):
1+4 automatic 80mm ring with rear lens style bayonet on other side
1+3 automatic 40mm ring with rear lens style bayonet on other side
1+2 automatic 40mm ring with filter bayonet on other side
Extension Ring Set 4 Pieces for 40 and 80mm,