Search results for 'astronomy astrophotography guide-scopes achromatic_refractor'
Askar FRA300 60mm f/5.0 Refractor
US$ 1,155.44The best seller of the quintuplet series, the FRA300 60mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 40mm diagonally without the addition of further flatteners/reducers.
Askar FRA500 90mm f/5.6 Refractor
US$ 2,133.87The best seller of the quintuplet series, the FRA500 90mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 44mm diagonally without the addition of further flatteners/reducers.
Askar FMA180 PRO Telephoto Lens F/4.5
US$ 443.85Askar's FMA180 PRO is a triplet APO refractor with double ED glass for excellent correction. The high-quality lenses produce a high-contrast, pure color image and meet the highest demands in astrophotography and observation.