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
Diagonal mirror Dura Bright 90° 2"
$ 271.00
ready for shipping in 24
h
William Optics
Diagonal prism RedCat 90° 1,25"
$ 188.00
ready for shipping in 3-5
weeks
William Optics
1,25'' 45° Amici prism on 1,25''
$ 165.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 212.00
ready for shipping in 3-5
weeks