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William Optics Gran Turismo WIFD 81
81mm APO F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...
View full detailsWilliam Optics GuideStar 61
61mm aperture apochromatic refractor telescope Versatile instrument for both guiding and wide-field astrophotography Description ...
View full detailsWilliam Optics MiniCat 51 WIFD f/3.5
The MiniCat51 is a versatile and powerful option for astrophotography enthusiasts, offering superior optics in a sleek, portable design. Its WIFD ...
View full detailsWilliam Optics Pleiades 111 Astrograph F/4.8 7-element WIFD
7-Element APO Refractor Design F/4.8 Fast Focal Ratio Wide Image Field Design (WIFD) Portable and Versatile Description Specifications I...
View full detailsWilliam Optics Pleiades 181 Astrograph F/5.5 7-element with 3 ED glasses
7-Element APO with 3 ED Glasses Refractor Design F/5.5 Fast Focal Ratio Portable and Versatile Description Specifications In the Box ...
View full detailsWilliam Optics Pleiades 68 Astrograph F/3.8 7-Element WIFD
7-Element APO Refractor Design F/3.8 Fast Focal Ratio WO Internal Focuser Design (WIFD) Portable and Versatile Description Specifications In th...
View full detailsWilliam Optics Redcat 51 WIFD
51mm 4-elements Petzval refractor 250mm focal length - f/4.9 focal ratio 48mm image circle - No field flattener required! WIFD focuser design D...
View full detailsWilliam Optics RedCat 61 WIFD
51mm 4-elements Petzval refractor 300mm focal length - f/4.9 focal ratio 46mm image circle - No field flattener required WIFD focuser design ...
View full detailsWilliam Optics Redcat 71 WIFD
71mm APO F/4.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for astrophotography with ...
View full detailsWilliam Optics UltraCat 108 f/4.8 WIFD
William Optics UltraCat 56 f/4.8 WIFD
William Optics UltraCat 76 f/4.8 WIFD
William Optics Zenithstar 61II APO
61mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...
View full detailsWilliam Optics Zenithstar 73 III APO
73mm APO using FPL-53 Glass F/5.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your passion for ast...
View full detailsWilliam Optics Zenithstar 81 APO
81mm APO using FPL-53 Glass F/6.9 Fast Focal Ratio Portable and Versatile Description Specifications In the Box Unleash your pa...
View full detailsZWO FF107-APO Quadruplet Refractor F/7
Aperture of 107 mm Focal Length of 749mm Focal Ratio of f/7 Quadruplet APO Full Frame Imaging Circle Supported No need for flattener No need to ca...
View full detailsZWO FF130-APO Quadruplet Refractor F/7
Aperture of 130 mm Focal Length of 1000mm Focal Ratio of f/7.7 Quadruplet APO ...
View full detailsZWO FF65-APO Quintuplet Refractor F/6.4
Quintuplet air-spaced APO F/6.4 416mm focal length 65mm aperture ...
View full detailsZWO FF80-APO Quadruplet Refractor F/6.4
Quintuplet air-spaced APO High-quality ED glass Small and round stars Support full frame cameras 44mm image circle Description Specifications I...
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