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
$ 383.00
ready for shipping in 24
h
William Optics
Flattner Flat61A for Z61
RRP:
$ 383.00
Our price:
$ 359.00
ready for shipping in 24
h
William Optics
Flat GT
$ 441.00
ready for shipping in 24
h
William Optics
Flat6A III Special Edition FLT91
$ 441.00
ready for shipping in 3-5
weeks
William Optics
Flattener Flat73A for ZenithStar 73
$ 383.00
ready for shipping in 3-5
weeks
William Optics
Flattener Flat68III
RRP:
$ 1,140.00
Our price:
$ 1,020.00
ready for shipping in 3-5
weeks
William Optics
Adjustable Flattener Reducer Flat7A
RRP:
$ 1,140.00
Our price:
$ 920.00
ready for shipping in 3-5
weeks
William Optics
Full-Frame Flattener/Reducer 0.72x
RRP:
$ 1,160.00
Our price:
$ 1,080.00
ready for shipping in 3-5
weeks