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
Adjustable Flattener Reducer Flat6AIII
$ 422.00
ready for shipping in 3-5
weeks
William Optics
Flattner Flat61A for Z61
$ 327.00
ready for shipping in 24
h
William Optics
Flat GT
$ 316.00
Product can be shipped as of 15.03.2025
William Optics
Flattener Flat68III
RRP:
$ 850.00
Our price:
$ 810.00
ready for shipping in 3-5
weeks
William Optics
Flattener Flat73A for ZenithStar 73
$ 327.00
ready for shipping in 24
h
William Optics
Flat6A III Special Edition FLT91
$ 570.00
ready for shipping in 3-5
weeks
William Optics
Adjustable Flattener Reducer Flat7A
$ 840.00
ready for shipping in 3-5
weeks
William Optics
Full-Frame Flattener/Reducer 0.72x
$ 940.00
ready for shipping in 3-5
weeks
William Optics
Ultra Flat 91
$ 800.00
ready for shipping in 3-5
weeks