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The Cassini 2x Flip Barlow increases the focal length of a telescope 2 times. The result is 2 times the magnification with the eyepieces you already have. If you have 3 eyepieces, purchasing 1 Barlow will in effect expand your eyepiece collection to 6 without having to purchase an additional 3 eyepieces. And, best of all, an on / off knob is located on the side of the barlow for easy and quick power switching.

The Cassini Erecting Prism Diagonal increases the viewing comfort and usability of Refractor Telescopes. True astronomical telescopes will produce an upside down image. No erecting lenses, mirrors, or prisms are added. Having these elements in the telescope can cause images to be dim and or distorted making terrestrial viewing (land viewing) difficult.

The Cassini Erecting Prism Diagonal will turn the image in your telescope right side up to enable easy, comfortable terrestrial viewing. Cassini Prism diagonals consist of a 45° prism and are available in 1.25" format.


The Cassini FB 2x Flip Barlow Features and Benefits:

  •     Format: 1.25?
  •     Focal Length: 2x

The Cassini Erecting Prism Diagonal Features and Benefits:

  •     Format: 1.25?
  •     Prism: 30mm, 45° Schmidt

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Filed under: Eyepieces & Accessories