08-09-2010, 11:55 AM
[quote name='wim' timestamp='1281349699' post='1597']
I have. It's useless, 12 mm is too much. You can't focus anymore with the10-22. [/quote]
I was thinking about the 24/3.5 II.
[quote name='wim' timestamp='1281349699' post='1597']
That's ok for lenses with manual control of the diaphragm, for EF, or rather, electrically controlled aperture lenses it is more problematic. Closing down the aperture with the preview button trick IMO is quite usless, because focusing wide open is already tricky as it is with the little light coming through at large magnifications. Of course, LiveView may be a solution in that case, but metering may be quite off.[/quote]
Aperture: It's O.K. I could do without it and just crop later. Heaven knows I have enough MP. <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt=':lol:' /> But are there shorter extension tubes at all?
Metering: LV is actually more accurate WRT to TS.
I have. It's useless, 12 mm is too much. You can't focus anymore with the10-22. [/quote]
I was thinking about the 24/3.5 II.
[quote name='wim' timestamp='1281349699' post='1597']
That's ok for lenses with manual control of the diaphragm, for EF, or rather, electrically controlled aperture lenses it is more problematic. Closing down the aperture with the preview button trick IMO is quite usless, because focusing wide open is already tricky as it is with the little light coming through at large magnifications. Of course, LiveView may be a solution in that case, but metering may be quite off.[/quote]
Aperture: It's O.K. I could do without it and just crop later. Heaven knows I have enough MP. <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/smile.gif' class='bbc_emoticon' alt=':lol:' /> But are there shorter extension tubes at all?
Metering: LV is actually more accurate WRT to TS.