Archived posting to the Leica Users Group, 2000/10/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 24 Oct 00, at 19:14, Pascal wrote: > well, it's not as if the Ultra Wide Helar 12mm f/5.6 Aspherical were a > bad lens, but I feel I could have been better when I see the chart. > Optimum f-stop= f/8, with very good to good results. > > Lots of vignetting, however, even at f/11 where it is still one full stop > and thus excessive. This is the real issue and will limit its practical > usefulness. Thanks for the further information. The 15mm is already pretty radical, and the vignetting does diminish when stopped down. I think I'll opt for the Leica 24mm over the V. 12mm for my next splurge. Tim S.