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Old 15-08-2019, 05:10 AM
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RussellH is offline
Join Date: Oct 2005
Location: Sunny Queensland
Posts: 171
I tried some petroleum jelly on the t-adaptor and it now screws into the t’ring quite nicely, although with one or two spots it does get a little tighter, but nothing like it was. I also have a cheap barlow lens with a t-thread. It screws into the t-ring nicely as well.

The MPCC still binds about 2-3mm short of mating with the t-ring. So now I’m wondering if it might be the MPCC? Hard to believe a $300 item would be worse than a $20 item though. I guess my only option left is to try a replacement t-ring and hope it’s a better fit. i found a low profile one and a spacer, so at least it’ll give me some extra flexibility for future use. Just hope the MPCC will fit, or I’ll be throwing good money after bad.

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