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
rotator Rotolock Visual Back 3.5
$ 308.18
ready for shipping in 3-5
weeks
William Optics
rotator Rotolock Visual Back 3.5
$ 308.18
ready for shipping in 3-5
weeks
William Optics
rotator Rotolock Visual Back 3.5
$ 308.18
ready for shipping in 3-5
weeks
William Optics
rotator Adapter für M63 Fokussierer
$ 165.03
ready for shipping in 24
h
William Optics
Rotator M92
$ 285.32
ready for shipping in 3-5
weeks