Archived posting to the Leica Users Group, 2000/01/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]The DR and the "rigid" ie. non-DR version supposedly are optically identical. All the best! Raimo photos at http://personal.inet.fi/private/raimo.korhonen - -----Alkuperäinen viesti----- Lähettäjä: Guy Bennett <guybnt@idt.net> Vastaanottaja: leica-users@mejac.palo-alto.ca.us <leica-users@mejac.palo-alto.ca.us> Päivä: 03. tammikuuta 2000 20:44 >horst, > >my question was fairly straightforward: is the dr *merely* a close >focussing lens? i don't say that ironically (nor even mischieveously) - i >simply wanted to know if this lens had any other particularities other than >close focussing, which i did understand to mean that you used it when you >wanted to focus closer, as you so helpfully point out. now, if it really >did brew coffee, THAT would be special! > >>Guy Bennett wrote: >> >>> lugfolk, >>> >>> what's the skinny on the summicron dr? is it just that if focuses closer >>> than the non-dr summicrons? (and if so, what's the big deal?) does it do >>> any other tricks? >>> >>> guy >> >> Guy, It also brews coffee. Actually I don't quite understand your question, >>when you say "what's the big deal?". >> >>The big deal is: A near focusing lens focuses near, contrary to a non near >>focussing lens which doesn't. >> >>The secret is: If you want to focus closer to an object, you use a close >>focusing lens, if you don't, then you don't need to use a close focusing lens. >> >>Regards, Horst schmidt >