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Re: 3 Discover

  • From: Greg Erker <erker@xxxxxxxxxxxxxx>
  • Subject: Re: 3 Discover
  • Date: Mon, 4 Jan 1999 11:47:37 -0600
>>   My Horizon loupe would work also (if I had a second
>> one) but the 3.6x magnification is a bit low.
>
>The local Target strore sells Bushnell "PowerView LiteVision" 4x30
>binoculars for $16.99.  These are a simple Galilean opera glass design
>with achromatic objectives that are 32mm in dia. and ~90mm focal
>length.  With my eyesight accomodation, the field of view is a little
>more than a 3 inch diameter circle at ~3.8x (using 1 + 250/f), YMMV.  As
>magnifiers, the image quality of these objectives is not bad - just a
>little pincushion distortion at the edges.  This might be a fairly
>inexpensive option for you.

  The Horixon loupe is 3.6 mag using the 250/fl method.
So the bino lens gives less magnification (2.8).

Thanks for the idea though - Greg