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View Full Version : Dallmeyer "Big Bertha" 914/6.3



dh003i
5-Jan-2009, 22:02
Wow, holy moly, what a big thing. I think the Dallmeyer 914/6.3 (http://cgi.ebay.com/Dallmeyer-Big-Bertha-36-f6-3-Monster-Brass-LF-Lens_W0QQitemZ280298702917QQcmdZViewItemQQptZCamera_Lenses?hash=item280298702917&_trksid=p3286.c0.m14&_trkparms=72%3A1234|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A1|293%3A1|294%3A50#ebayphotohosting) is bigger (and heavier) than my entire 4x5 large format camera!

IanMazursky
5-Jan-2009, 22:37
wow thats big! to bad my bellows only go to 24" on my 12x20 korona.

Walter Calahan
6-Jan-2009, 06:48
amateur astronomers love these lenses for making telescopes.

dh003i
6-Jan-2009, 18:18
amateur astronomers love these lenses for making telescopes.

With an aperture that's about 14.5cm (36 in x 25.4 mm/in / 6.5 = 145.1 mm), it's no wonder why!

I wonder, what do they do with it? Disassemble and use the parts?

Dan Fromm
6-Jan-2009, 22:19
dh, Google "Astrograph"