|Posted: Sat Jun 06, 2020 4:16 pm Post subject:
|You can't be too diligent with these. I always use a fine tip permanent pen to put an orientation arrow on the edge of an element the moment I take it out. And a number if there are more than a few elements.
I'm afraid all I can suggest is disassembly, inspection and trial and error...
pentax ME super (retired)
Pentax K3-ii; pentax K-S2; Samsung NX 20; Lumix G1 + adapters;
Adaptall collection (proliferating!) inc 200-500mm 31A, 300mm f2.8, 400mm f4.
Primes: takumar 55mm; smc 28mm, 50mm; kino/komine 28mm f2's, helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 105mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock...