I couldn't resist adding to a small collection of Suter lenses.
A size no. 3 Landscape meniscus serial number 9081. It mirrors the same lens I already have, which has a serial number just two earlier - 9079. There obviously a batch of these no. 3 lenses made at the same time.
Normally, stereo pairs are supposed to be matched by the maker (just in terms of exact focal length?) and mostly have sequential serial numbers. But not always - perhaps the selection was made after engraving in some instances.
Simple meniscus lenses were very popular in the early days of stereo photography. Probably because of price, but also because it was easier to make the simple achromats with exactly matching focal lengths?
Can I call these a stereo pair, without being guilty of fraud? I will, of course, do a cross check of focal lengths.
If anyone has any links to how to view large format stereo photos, where the "match" in the two images is further apart than normal type viewer can utilise, I would be very grateful!
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