Starlight Instruments Grid Design Holographic Attachment for Howie Glatter Laser Collimators

Brand: Starlight Instruments

SKU : SI-HOLA-GRID-NV

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Product Details

  • The Self-Barlow attachment is a disc with a white screen on the front and a small built-in Barlow lens in the center of the disc. It is then screwed into the Howie Glatter laser collimator (sold separately) aperture and provides a highly compact method for Barlow-collimating.

    Square Grid Projection Attachment: A 10 x 10 line square grid pattern. It spreads 21 degrees which allow centering of optics as fast as f/ 2.7.

    This pattern is recommended for general use because it can be used with the fastest telescopes likely to be encountered.

  • specifications

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