07-20-2010, 12:22 AM
I think so. If you do the calculations, and the aperture diameter resizing is more or less linear with FL, which is what one would expect under ideal circumstances, it looks like it still is F/2.8 at 60 mm.
Kind regards, Wim
Kind regards, Wim
Gear: Canon EOS R with 3 primes and 2 zooms, 4 EF-R adapters, Canon EOS 5 (analog), 9 Canon EF primes, a lone Canon EF zoom, 2 extenders, 2 converters, tubes; Olympus OM-D 1 Mk II & Pen F with 12 primes, 6 zooms, and 3 Metabones EF-MFT adapters ....