i want to make a refracting telescope of 100x.But i have 100cm and 5cm focal length convex lens.So what combination of lens for eyepiece should i use for this telescope(use lens of focal length 5cm and 10cm)
i want to make a refracting telescope of 100x.But i have 100cm and 5cm focal length convex lens.So what combination of lens for eyepiece should i use for this telescope(use lens of focal length 5cm and 10cm)