View Full Version : E. Suter Aplanat B view angle
SpringHo
30-Apr-2015, 22:49
I read from this forum, saying that aplanat A (F6) view angle is 60 degree, what about Series B? larger? Does any one know it is 70 degree or 80 degree?
SpringHo
30-Apr-2015, 22:52
refer to Emil busch catalogue, aplanat F8 series, 75 degree. Can I consider Suter one will be similar?
Steven Tribe
1-May-2015, 00:18
yes.
The coverage of RRs/Aplanats is dependent on the selected F values.
So the 25x20" Suter Aplanat B (no. 9) sold a few days ago on ebay will cover more than this!
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