Seymour Helios Solar Glass Telescope Filter - Astronomy Plus

Seymour Helios Solar Glass Telescope Filter

2" (Fits 41mm to 47mm)
$68.80
$68.80 $98.28
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Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
  • Seymour Helios Solar Glass Telescope Filter - Astronomy Plus
Seymour Helios Solar Glass Telescope Filter

Seymour Helios Solar Glass Telescope Filter

$68.80
$68.80 $98.28
Size

Seymour Helios Solar Glass 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, Helios Solar Glass®, 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.  

Technical Specifications

Suitability 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).
  • 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).

In the Box

  • Helios Solar Glass Telescope Filter, at selected size
  • Screws (the amount depend on the model size)
  • Felt pads

Manual & Warranty

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

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