The telescope manufacturer William Optics offers very high-quality apochromatic and achromatic refractors which are very well suited to visual observation, and especially to astrophotography.
William Optics
Vixen Style Mounting Base
$ 42.90
ready for shipping in 3-5
weeks
William Optics
Sucherschuh Black&White Cat Vixen-Style
$ 85.00
ready for shipping in 3-5
weeks
William Optics
(Leit-)Rohrschellen 50mm
$ 106.00
ready for shipping in 24
h
William Optics
Cat Series Saddle Handle Bar
( 5 / 5 )
$ 85.00
ready for shipping in 24
h