Done Wavy , my CF XLT is 821mm in circumference = 261mm in diameter .
Not to easy to do with a full length Losmandy rail fitted , I had to use my wifes sewing tape measuer .
Brian.
Quote:
Originally Posted by Wavytone
Could someone with a Celestron 9.25” please do me a small favour - measure the diameter of your OTA ?
I need to buy some radius blocks to fit my scope (260mm dia) and am hoping the ones for the C9.25 will be a good fit.
Even better if you have some spare blocks I’d be interested.
Many thanks in advance ... wavy.
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