Sportera said:Ive been toying with the idea of adding a period lens to my Tachihara kit. ...
Dan Fromm said:Uh, Jimbo, the Aviar ain't a triplet. It are a dialyte. I had a nice coated post-WWII 7"/4.5 Aviar for a while. Its a bit of a cult lens, but to my naive eye mine wasn't quite sharp enough.
Jim, FWIW, I also find the names that TTH put on their lenses extremely confusing. For example, Ser. VII and VIIa are triplets, VIIb is a 4/4 double Gauss. Hmm.jimgalli said:Guess I need to retake Barbara's Cooke Optics 101 class again. I figured any series II was a triplet. Oh well, in the words of Roseanne Roseannadanna, "never mind"
This is an understatement. I've just completed a little lens torture exercise. On the emulsion I used with the target I chose etc. etc. etc. a CZJ pre-1912 150/6.3 Tessar produced images that can't be separated from ones made at the same apertures with two 150/9 Apo Ronars and a 150/9 G-Claron. Makes me wonder why I bother acquiring relatively modern lenses.DBP said:Look for a 3a folder with torn bellows. The lens had to cover 6.5" just to cover the postcard format. Be forewarned, though, the lens may be better than you expect.
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