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"
$ 238.00
ready for shipping in 3-5
weeks
William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 186.00
ready for shipping in 3-5
weeks
William Optics
Diagonal prism RedCat 90° 1,25"
$ 166.00
ready for shipping in 3-5
weeks
William Optics
1,25'' 45° Amici prism on 1,25''
$ 145.00
ready for shipping in 3-5
weeks