Archived posting to the Leica Users Group, 2003/06/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Mike Nah! I suspect they are images of the diaphragm. Even though this is a multi coated lens, the intense light source relative to the canyon walls can cause this artifact. Jerry Mike Durling wrote: > Could these be from dust on the lens surface that the light is hitting? > With a lens that wide they might be just out of focus. > > Mike D > > Alastair Firkin wrote: > > G'day all, > > I recently had the chance to visit Antelope canyon. I was desperate to > > work on some of the flowing sandstone shapes in both colour and b/w. The > > canyons are quite narrow, and to my surprise, present a major problem of > > "contrast". Of course, I should have realized, but nothing beats being > > there. My first images are "failures". Despite keeping the lens out of > > the direct line of the light as it pours through the ceiling the 15 mm > > Super elmar has created a chicken pox effect with small dots of flare -- > > small I presume as I was using f16 or f22. > > Am I right in thinking this is due to the highlights bouncing around in > > the lens barrel? Is there any way to avoid this flare? Is the older > > super elmar more prone to flare than the newer version -- not that I > > could afford the newer one, or the trip back to Arizona !!!! > > > > Please visit: > > http://stairfirkin.com/Mayimages/antelopeflare1.jpg > > > > http://stairfirkin.com/Mayimages/antelopeflare2.jpg > > > > to see my problem. Not that I can easily return to Antelope Canyon ;-) > > > > I will be slowly posting some images of our trip, as I work on them in > > the darkroom (and with the scanner). > > > > Alastair > > > > -- > > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html