That is quite impressive! Dan Matyola http://www.pentaxphotogallery.com/danieljmatyola
On Tue, Dec 9, 2014 at 11:00 PM, Mark C <[email protected]> wrote: > http://www.markcassino.com/b2evolution/index.php/extreme-macro-crane-fly > > Another test run with extreme macro - this one is a dessicated crane fly > that who's remains I found on a windowsill this afternoon. This was taken > with an Otamat 20mm f1.7 on extension for roughly 4.5x lifesized. 48 images > stacked. > > Question re macro focusing rails: I'm using a set of Pentax Macro Focusing > Rails III, like these: > > http://www.pentaxforums.com/accessoryreviews/pentax-macro-focus-rail-iii.html > > The only difference being that the rails I own have the focusing knob on the > right, not the left. I snap a 2 inch spring clamp onto the focusing knob and > that acts as a lever, and gives me pretty good focusing accuracy. But, there > is still a small bit of play in the rails that is a problem at high > magnifications. Any recommendations regarding good solid macro focusing > rails that operate smoothly? I've been considering some Velbon Macro Slider > rails but it's not clear that they would be better than the ones I have, and > it does not look like I could snap clamps on the knobs to get the leveraging > effect - the Velbon rails have two sets of knobs that are very close > together, hard to tell from photos how much working room there is. The two > inch lever provided by the spring clamps that really makes a huge > difference. Here's a (poor) photo showing how I am using that with the > Pentax Macro Rails III: > > http://www.markcassino.com/b2evolution/index.php/2014/12/09/spring-clamp-as-lever-on-macro-focusing?blog=9 > > A little pressure on the end of the clamp / lever allows for very fine > adjustment of the rails, undermined only by some of the looseness in the > rails themselves. Twisting the knob without the lever does not allow for > very fine control. > > Any thoughts or recommendations regarding macro focusing rails? For now - I > am not interested in the several-hundred-dollar auto stepping rails, but > good quality manual rails would be great.... > > Mark > > > > --- > This email is free from viruses and malware because avast! Antivirus > protection is active. > http://www.avast.com > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
