Betty’s Secondary Mirror Holder Focal Ratio:F5 The exact process employed to

The exact process employed to take this image can be found in this video: https://youtu

V2 improvements include: stiffer mirror sticking pad

The prints will all fit snuggly into a standard A0

be/nbjNM-BofWE It was shot 2500m above sea level on the side of the giant volcano that is Tenerife using my home built 8 inch telescope ‘Betty’

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Betty’s Secondary Mirror Holder Focal Ratio:F5 The exact process employed toUpdated design Far easier to adjust than traditional secondary holders Perfect positioning of the secondary mirror Perfect secondary mirror offset Designed to carry secondary mirrors with a 50 80mm width. Works with almost all Newtonians (just need an M6 or M5 central bolt in your spider) 25 micron accurate engineering 30 day Full Refund returns policy Watch how to install video See the benefits video See the parts machined video Betty's Secondary