Quote:
Originally Posted by casstony
Thanks for the catalogue Laurie. That's the first time I've seen a manufacturer supply details of the glass types used. It's interesting that the LP 80 to 100mm (and megrez 88) doublets all use the same glass type for the mating element (NBM51) and it's not a cheap glass, it's price being in the same range as FPL51.
http://www.oharacorp.com/pdf/glass-chart-2012.pdf |
Hi all!
I have been looking for glass info about the LP 100 F/6 doublet. Some places on the web lists it as FPL-51 and others as FPL-53. Was that in the details supplied by LP?
BR
/Per Johansson