Peter Visima on X: "Celestron C90 Mak with a Nikon 1 V1. Great compact package for astronomy. Effective focal length 3,375mm at f/13.8. @Celestron @NikonCanada @NikonUSA #MightyMak #Celestron #maksutov #Nikon1V1 #Nikon1 #Jupiter
กล้องดูนก / ดูดาว Celestron C90MAK : Inspired by LnwShop.com