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crashtestdummy

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  • Gender
    Male
  • Interests
    rock climbing
    walking
    heavy metal
    cinema
  • Location
    west yorkshire

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  1. crashtestdummy

    2x22" blanks coming my way tomorrow :)

    1. Show previous comments  2 more
    2. Naemeth

      Naemeth

      What focal length are you going to make them? Presumably around the F/3 mark?

    3. crashtestdummy

      crashtestdummy

      f3.6 for a 2000mm focal length.dont want the scope too high at zenith

    4. Naemeth

      Naemeth

      I'm thinking of a 24" F/3 myself at some point, at 1.8m focal length I shouldn't ever need steps :D.

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