Cotty, if you're so inclined, this: http://www.lensrentals.com/blog/2013/09/there-is-no-free-lunch-episode-763-lens-adapters could be of relevance and interest for you.
On Thu, Oct 3, 2013 at 7:50 PM, Steve Cottrell <co...@seeingeye.tv> wrote: > Okay folks here's a question I'll throw to the floor. > > I've finally been able to mount a fully manual wide angle lens onto my > Fuji X-E1 and I was testing with it this afternoon. > > For the curious, this is what the combo looks like: > > <http://pdml.posthaven.com/fuji-and-wide> > > BUT if I try and 'zone' focus with it, the background is out of focus. > > Facts: lens is M39 mount and mates to camera via a M39-to-Fuji X (FX) > adaptor. Camera set to Auto so you offer it some light through the lens > and it will correctly calculate the exposure. This is flawless. Lens set > at (say) f/16, and infinity mark on focus barrel is moved to the f/16 > mark so that everything between the two f/16 marks should be in focus > according to depth of field. > > Result: foreground is sharp, everything from about 20 feet away to > infinity is soft. > > However: if I leave the infinity mark at maximum focus (eg lens set to > infinity focus), and stop down to (say) f/16, then everything from about > 2 feet away to infinity is in sharp focus! > > Supplementary question: > > To mount an M39 lens onto an FX body, apparently there are two routes: > just by using a M39-FX adaptor. OR by using an M39-Leica M (LM) adaptor > AND a LM-FX adaptor as well. Wouldn't the two methods produce differing > lens flange - to - sensor plane measurements? I appreciate this question > really needs to be addressed to something like the Fuji forum, but > thought I would put it past the ,might PDML collective first. > > Would an incorrect lens flange-to-sensor measurement create the zone- > focus issue above? > > Many thanks > > -- > > > Cheers, > Cotty > > > ___/\__ Broadcast, Corporate, > || (O) | Web Video Production > ---------- <www.seeingeye.tv> > _____________________________ > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- Boris -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
