|Posted: Wed Nov 18, 2020 12:26 pm Post subject:
|Wow, amazing score. Says f4 on the barrel there.
That whitening looks horribly reminiscent of the glass deterioration that afflicts older generic "anybrand" 400mm f6.3's - no remedy. But you won't know until you have the glass out and try to clean it...
pentax ME super (retired)
Pentax K5; Samsung NX 20; Lumix G1;
Adaptall collection (proliferating!) inc 200-500mm 31A.
Primes inc takumar 55mm; smc 28mm, 50mm; sigma superwide II; helios 58mm, Tamron Nestar 400mm, novoflex 400mm, Vivitar 135mm close focus, 90mm macro; Jupiter 11A; CZJ 135mm.
A classic zoom or two: VS1 (komine), Kiron Zoomlock...