Search found 3 matches

by swarbrick
17.03.2009 20:02
Forum: Helicon Focus: Macro
Topic: Lophacris cristata (grasshopper)
Replies: 1
Views: 5621

simply sensational, Charles. Depth-of-field in any case, but the colours too.
by swarbrick
12.02.2009 13:39
Forum: Shooting
Topic: lenses - internal focus or not
Replies: 4
Views: 11152

I see no one`s biting, but I found something out in the meantime. "Internal focus" on these modern lenses does not mean that the lens doesn`t change length when focusing, only that the front element doesn`t rotate. So the magnification does change, as the focusing mechanism is still in front.
by swarbrick
11.02.2009 21:00
Forum: Shooting
Topic: lenses - internal focus or not
Replies: 4
Views: 11152

lenses - internal focus or not

I have just obtained the trailware and am quite excited about the software. My interest is landscape rather than pure macro, for example flowers foreground, mountains behind. I understand that a normal focusing lens will change the magnification of an object and this has implications for the near en...