Re: WTB UV quartz lens for photography

From: Louis Boyd (boyd_at_apt0.sao.arizona.edu)
Date: 08/12/04

  • Next message: Ralph Sansbury: "Re: P10 Acceleration: Light Speed Doesn't Extrapolate" 
    Date: Wed, 11 Aug 2004 17:14:47 -0700

    James R (Jim) Lynch III wrote:
    > I don't know your price limit, but I've always thought this catadioptric
    > lens from Adorama was a pretty good deal:
    >
    > http://www.adorama.com/PRO500SS.html?sid=10922647554346664
    >
    > The multi-layer coatings are a potential problem for UV. A single layer
    > coating is never worse than bare glass, but I imagine a multi-layer coating
    > could be very bad at wavelengths outside its passband.

    The Maksutov corrector plate isn't going to do anything good for the UV
    either. And he only wanted 80-100 mm fl. That one's 500mm.

  • Next message: Ralph Sansbury: "Re: P10 Acceleration: Light Speed Doesn't Extrapolate"