Updated OWL 1 (Version 2)
features a wider aperture in the back plate (increased from 14cm to 15.5cm)
The new version of the OWL features a wider aperture in the back plate - as suggested by Stereo World editor John Dennis. This makes no difference to the OWL's performance in viewing stereo cards, but it enables the viewer to cover the whole area of larger format cards when they are illustrated life-size in book and magazines. Usually these are cards made much later than the "Scenes in Our Village" and "Diableries" cards … for instance Keystone Views, and Underwood and Underwood, and many 21st century stereo pairs now being offered. So the OWL now covers more formats than ever.
But perhaps the most significant advantage of the new Version 2 OWL is that it is perfect for viewing side-by-side stereos on the iPAD. The geometry of the Brewster system - which is really what we are all using, dictates strict limits for the size of our images. Well, we shall see - but in the meantime our OWLs will be a great tool for enjoying electronic stereos on our iPads.
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