Ahoj Franto, Frantisek Vlcek wrote:
> PL> Sonnar (both contains Sun in their names), but I really don't know. > PL> Anyone knows more about it's optical formula? > > 1) I am not sure about Helios-44, but if it's the 2/58 it > isn't Sonnar I think. I can't check at the moment, as my archives of > Praktica Users Group Worldwide are not working :( I am only curious why they chosen such suggestive name then... > 2) "unusal" 58mm fl?!? I wrote _slightly_ unusual. ;-) because I'm not aware of any other 58mm lens, myself. > in old days of SLRs, they had a finder of such > magnification that 58mm lens gave exactly same magnification as with > unaided eye, so you could comfortably have opened both eyes, like with > some rangefinders. that's also true with my Pentax MX with SMC Pentax 50mm lens mounted and I really enjoy this experience. Especially with fast glass (1.4). Peter - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
