03-25-2011, 11:08 PM
Actually, you lose 1.5 stops approximately with Nikon, and almost 1 2/3 stops with Canon, on APS-C.... So 1 stop is a little optimistic IMO. <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' />
Warm regards, Wim
Warm 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 ....