Seymour Hyperion Solar Film Telescope Filter

This premium solar filter is safe to photograph or view the sun when mounted on a telescope, view finder, spotting scope, etc. It is rated ND5 so 99.999% of the sunlight is blocked. The aperture is made of a high quality, reflective coated, Hyperion Solar Film, and mounted into an aluminum outer cell.

The filter slips over the sky end of your optical tube. It is secured and centered to the optical tube with thumb screw(s) and felt tabs. If you are not sure this is the right size filter for your optical device please click HERE, "How do I find the right size filter to order?"

Technical Specifications

Compatibility chart

2" (50mm). Fits Optical Tube Diameter 1 5/8" (41mm) to 1 7/8" (47mm).
2.25" (57mm). Fits Optical Tube Diameter 1 7/8" (48mm) to 2 1/8" (53mm).
2.5" (63mm). Fits Optical Tube Diameter 2 1/8" (54mm) to 2 3/8" (59mm).
2.75" (70mm). Fits Optical Tube Diameter 2 3/8" (60mm) to 2 5/8" (66mm).
3" (76mm). Fits Optical Tube Diameter 2 5/8" (68mm) to 2 7/8" (73mm).
3.25" (82mm). Fits Optical Tube Diameter 2 7/8" (74mm) to 3 1/8" (79mm).
3.5" (90mm). Fits Optical Tube Diameter 3 1/8" (80mm) to 3 3/8" (86mm).
3.75" (95mm). Fits Optical Tube Diameter 3 3/8" (87mm) to 3 5/8" (92mm).
4" (101mm). Fits Optical Tube Diameter 3 5/8" (93mm) to 3 7/8" (98mm).
4.25" (108mm). Fits Optical Tube Diameter 3 7/8" (99mm) to 4 1/8" (105mm).
4.5" (114mm). Fits Optical Tube Diameter 4 1/8" (106mm) to 4 3/8" (111mm).
4.75" (121mm). Fits Optical Tube Diameter 4 3/8" (112mm) to 4 5/8" (117mm).
5" (127mm). Fits Optical Tube Diameter 4 5/8" (118mm) to 4 7/8" (124mm).
5.25" (133mm). Fits Optical Tube Diameter 4 7/8" (125mm) to 5 1/8" (130mm).
5.5" (140mm). Fits Optical Tube Diameter 5 1/8" (131mm) to 5 3/8" (136mm).
5.75" (146mm). Fits Optical Tube Diameter 5 3/8" (137mm) to 5 5/8" (143mm).
6" (152mm). Fits Optical Tube Diameter 5 5/8" (144mm) to 5 7/8" (149mm).
6.25" (158mm). Fits Optical Tube Diameter 5 7/8" (150mm) to 6 1/8" (156mm).
6.5" (165mm). Fits Optical Tube Diameter 6 1/8" (157mm) to 6 3/8" (162mm).
6.75" (171mm). Fits Optical Tube Diameter 6 3/8" (163mm) to 6 5/8" (168mm).
7" (178mm). Fits Optical Tube Diameter 6 5/8" (169mm) to 6 7/8" (174mm).
7.25" (184mm). Fits Optical Tube Diameter 6 7/8" (175mm) to 7 1/8" (180mm).
7.5" (190mm). Fits Optical Tube Diameter 7 1/8" (181mm) to 7 3/8" (187mm).

In the Box

Hyperion Solar Film Telescope Filter, at selected size :

2" (Fits 41mm to 47mm).
2.25" (Fits 48mm to 53mm).
2.5" (Fits 54mm to 59mm).
2.75" (Fits 60mm to 66mm).
3" (Fits 68mm to 73mm).
3.25" (Fits 74mm to 79mm).
3.5" (Fits 80mm to 86mm).
3.75" (87mm to 92mm).
4" (Fits 93mm to 98mm).
4.25" (Fits 99mm to 105mm).
4.5" (Fits 106mm to 111mm).
4.75" (Fits 112mm to 117mm).
5" (Fits 118mm to 124mm).
5.25" (Fits 125mm to 130mm).
5.5" (Fits 131mm to 136mm).
5.75" (Fits 137mm to 143mm).
6" (Fits 144mm to 149mm).
6.25" (Fits 150mm to 156mm).
6.5" (Fits 157mm to 162mm).
6.75" (Fits 163mm to 168mm).
7" (Fits 169mm to 174mm).
7.25" (Fits 175mm to 180mm).
7.5" (Fits 181mm to 187mm).

Manual & Warranty

Seymour Solar's FAQ
How do I find the right size filter to order?

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Seymour Hyperion Solar Film Telescope Filter