Pentacon Six to OCT-18 Adapter (for the Konvas 1M)

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Created on Saturday, 11 October 2008 21:00
Last Updated on Friday, 14 December 2012 20:15
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Pentacon Six Lens to OCT-18 Mount Adapter

Here are a few pictures of a Pentacon Six to OCT-18 adapter - made for the 3 Turret Russian 35mm Konvas 1M Motion Picture Movie Camera:

Konvas 1M with Pentacon Six Adapter
Konvas 1M with Pentacon Six to OCT18 Adapter

Pentacon Six to OCT18 Adapter (bottom)
Pentacon Six to OCT18 Adapter (bottom)

Note that the screwdriver is only shown for size comparison and is not needed to remove the mount.

Pentacon Six Lens (80mm Zeiss Jenna) to OCT18 Adapter (bottom)
Pentacon Six Lens (80mm Zeiss Jenna) to OCT18 Adapter (bottom)

Pentacon Six Lens (80mm Zeiss Jenna) and OCT18 Adapter (separated)
Pentacon Six Lens (80mm Zeiss Jenna) and OCT18 Adapter (separated)

Below is the Pentacon Six Lens and the OCT18 Adapter. Notice that inside there is a 1.33:1 rectangular box. This is called an optical baffle, which keeps excess light from bouncing around inside the adapter and accidentally over-exposing the negative.

Pentacon Six Lens (80mm Zeiss Jenna) to OCT18 Adapter with optical baffle
Pentacon Six Lens (80mm Zeiss Jenna) to OCT18 Adapter with optical baffle

Below, the adapter unscrews into two separate pieces:

Pentacon Six Lens and separated OCT18 Adapter
Pentacon Six Lens and separated OCT18 Adapter

This picture below was supplied by Terry Byrne. It's of a Pentacon Six to OCT-19 adapter, and made for use with the 35mm Konvas 2M and Kinor 35H. Notice the design is basically the same as the above photos (albeit it was built for an OCT-19 mount vs the OCT-18 mount above), with only minor differences in the construction.

Pentacon Six to OCT-19 Adapter
Pentacon Six to OCT-19 Adapter for the Konvas 2M and Kinor 35H