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Showing results for tags '100mm'.
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Hey everyone, I just purchased my first refractor telescope but I have no idea where to get started, let’s get right into what my problem is. I purchased a Celestron C4-R; model number 21016; this came with a bunch of little pieces that I don’t know what they do, it’s a refractor telescope. I have the star diagonal but I don’t know where to attach it. I just want to know what I have to do to have it ready to be used thank you I would like help asap thank you
Canon EF 100mm f/2 USM Lens for sale - lower price 155£ Bought it second habd off ebay before Xmas last year and used only few times. Great f number for astro but realy have to step it down to f3.2 to use it of full frame camera. Havent got much time to use it so have to go. Images to follow. Bank transfe or cash on collection please.