Starlight Instruments Holographic Attachment

ITEM #
SI-HOLA-CROSS
  • Choose your Holographic attachment type: Self-barlow, Cross-hair, or Grid
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  • Regular price $70.00
  • $70.00
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Starlight Instruments Holographic Attachment

The Holographic Attachment by Starlight Instruments:

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.

 

Cross-hair Projection Attachment: Useful for aligning the returning beam on collimator face.

 

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

Accessory TypeCollimating Barlow grid
ManufacturerStarlight Instruments

Customer Reviews

4 Based on 3 Reviews
5 ★
67% 
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2 ★
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07/30/2019
Anonymous
United States United States

Wonderful service!

I haven't used it yet, but should be fine. OPT very efficiently swapped it when I got the wrong one due to web page confusion. I've been a customer in the past, and will continue to buy from OPT. Thanks! :-)

MT
08/12/2018
Michael T.
United States

Starlight Instruments Holographic Attachment

Useless if your permantently mounted scope is in an observatory and the distance from scope to wall is too short - probably should be around 10 feet, not so in my case, wish I knew that before buying.

MM
07/06/2018
Masanori M.
Japan

It is very wonderful

Thank you It is very wonderful I'm satisfied. Moreover, I am satisfied also with kind response at the time of ordering