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Adapting rotelar 400 f6 barrel lens to a7rii.
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PostPosted: Sat Nov 07, 2020 9:37 pm    Post subject: Adapting rotelar 400 f6 barrel lens to a7rii. Reply with quote

So, using a Pentax 67 helicoid for focus I fabbed with a carbon fiber tube to adapt to a mount scavenged from a defective pentax 67 teleconverter. The lens came with a robust aluminum threaded mounting bracket. So a tube I could tap into, this was fabbed from CF and epoxy. I spent way too long on that part. Learning experiece. I already had all the P67 to EF and EF to nex adapters. I will add some photos after a I get a chance to use it a bit.

PostPosted: Thu Nov 12, 2020 3:14 pm    Post subject: Reply with quote

The smc pentax 135mm 3.5 included for scale.