I use the SL 2x [non-auto] and it does get a bit dim, but with a ground glass screen it's ok. It has decent performance with my second version 250. >From: Jonathan Lee <jlee@xxxxxxxxxx> >Reply-To: leicareflex@xxxxxxxxxxxxx >To: leicareflex@xxxxxxxxxxxxx >Subject: [LRflex] Re: Big lens on an R9 >Date: Thu, 12 Oct 2006 13:43:06 -0400 > >I don;t really want to use the extender. Since my 250 Telyt >performance is decent but not stellar, I would think that the 2X >extended version would be only so-so in terms of image quality. Plus >f8 is pretty dark in the finder. > >I just saw this: >www.luminous-landscape.com/reviews/lenses/Pentax-800mm.shtml. I think >I can work out something like this for my 500mm and 1000mm telescopes > >Jonathan > > >On 11-Oct-06, at 3:02 PM, William Abbott wrote: > > > Jonathan, > > > > That other lens might be a 2X-Extender; it will cost you 2 stops but > > you know where the ISO adjustment is on the DMR. > > > > All best wishes, > > > > Bill > > > > On Oct 11, 2006, at 9:24 AM, Jonathan Lee wrote: > > > >> Alternatively I could just buy another Leica lens. > > > > ------ > > Unsubscribe or change to/from Digest Mode at: > > http://www3.telus.net/~telyt/lrflex.htm > > Archives are at: > > //www.freelists.org/archives/leicareflex/ > >------ >Unsubscribe or change to/from Digest Mode at: > http://www3.telus.net/~telyt/lrflex.htm >Archives are at: > //www.freelists.org/archives/leicareflex/ ------ Unsubscribe or change to/from Digest Mode at: http://www3.telus.net/~telyt/lrflex.htm Archives are at: //www.freelists.org/archives/leicareflex/