Seymour Helios Solar Glass Telescope Filter

Seymour Helios Solar Glass Telescope Filter

• 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).
• 8" (203mm). Fits Optical Tube Diameter 7 5/8" (193mm) to 7 7/8" (202mm).
• 8.376" (212mm). Fits Optical Tube Diameter 8" (203mm) to 8 1/4" (210mm).
• 8.377" (212mm). Fits Optical Tube Diameter 8" (203mm) to 8 1/4" (210mm).
• 8.75" (222mm). Fits Optical Tube Diameter 8 3/8" (213mm) to 8 5/8" (219mm).
• 9.25" (235mm). Fits Optical Tube Diameter 8 3/4" (222mm) to 9 1/8" (232mm).
• 9.5" (241mm). Fits Optical Tube Diameter 9 1/8" (232mm) to 9 3/8" (238mm).
• 9.75" (247mm). Fits Optical Tube Diameter 9 3/8" (239mm) to 9 5/8" (244mm).
• 10" (254mm). Fits Optical Tube Diameter 9 5/8" (245mm) to 9 7/8" (251mm).
• 10.5" (266mm). Fits Optical Tube Diameter 10 1/8" (257mm) to 10 3/8" (264mm).
• 10.75" (273mm). Fits Optical Tube Diameter 10 3/8" (265mm) to 10 5/8" (270mm).
• 11.5" (293mm). Fits Optical Tube Diameter 11 1/8" (283mm) to 11 3/8" (289mm).
• 12" (305mm). Fits Optical Tube Diameter 11 5/8" (295mm) to 11 7/8" (302mm).
• 12.5" (317mm). Fits Optical Tube Diameter 12 1/8" (308mm) to 12 3/8" (314mm).
• 13" (330mm). Fits Optical Tube Diameter 12 5/8" (321mm) to 12 7/8" (327mm).
• 13.75" (349mm). Fits Optical Tube Diameter 13 3/8" (340mm) to 13 5/8" (346mm).
• 14.5" (368mm). Fits Optical Tube Diameter 14 1/8" (358mm) to 14 3/8" (365mm).
• 15.25" (387mm). Fits Optical Tube Diameter 14 7/8" (378mm) to 15 1/8" (384mm).
• 15.75" (400mm). Fits Optical Tube Diameter 15 3/8" (390mm) to 15 5/8" (396mm).

• 16" (406mm). Fits Optical Tube Diameter 15 5/8" (397mm) to 15 7/8" (403mm).

• 2" (50mm)
• 2.25" (57mm)
• 2.5" (63mm)
• 2.75" (70mm)
• 3" (76mm)
• 3.25" (82mm)
• 3.5" (90mm)
• 3.75" (95mm)
• 4" (101mm)
• 4.25" (108mm)
• 4.5" (114mm)
• 4.75" (121mm)
• 5" (127mm)
• 5.25" (133mm)
• 5.5" (140mm)
• 5.75" (146mm)
• 6" (152mm)
• 6.25" (158mm)
• 6.5" (165mm)
• 6.75" (171mm)
• 7" (178mm)
• 7.25" (184mm)
• 7.5" (190mm)
• 8" (203mm)
• 8.376" (212mm)
• 8.377" (212mm)
• 8.75" (222mm)
• 9.25" (235mm)
• 9.5" (241mm)
• 9.75" (247mm)
• 10" (254mm)
• 10.5" (266mm)
• 10.75" (273mm)
• 11.5" (293mm)
• 12" (305mm)
• 12.5" (317mm)
• 13" (330mm)
• 13.75" (349mm
• 14.5" (368mm)
• 15.25" (387mm)
• 15.75" (400mm)
• 16" (406mm)

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• How do I find the right size filter to order?