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  1. John A Roberts

    Juggling with Magnifications

    Yes, I’d forgotten about the differing diameters of the eyepiece glass! See an image from Erik Bakker comparing the three SLC x56 eyepieces, from post #24 at: Arrival of the new Swarovski SLC 56 family - Binoculars - Cloudy Nights And two of an 8x56 from a 2021 eBay listing by ruacrous-0. In...
  2. John A Roberts

    Juggling with Magnifications

    SLC Optics The all new SLC x42 models were introduced in 2010 (with revisions to the covering, focuser and internal objective construction in 2013), and the all new x56 models followed in 2013. In terms of the optical construction, what we do know: The number of lenses per side (see the...
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