Seymour Helios Solar Glass Binocular Filters (Pair)

Seymour Helios Solar Glass Binocular Filters (Pair)

This pair of premium solar filters are safe for solar viewing when mounted on binoculars. They are rated ND5, which means that 99.999% of the sunlight is blocked. The apertures are made of a high quality, reflective coated, Helios Solar Glass®, and mounted into aluminum outer cells. The filters slip over the sky end of your binoculars. They are secured and centered to the binocular with nylon thumb screws and felt tabs. If you are not sure these are the right size filters for your binoculars please HERE, "How do I find the right size filter to order?"

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).97mm to 403mm).

In the Box

Pair of solar filters, in selected size : 

• 2" (Fits 41mm to 47mm).
• 2.25" (Fits 48mm to 53mm).
• 2.5" (Fits 54mm to 59mm).
• 2.75" (60mm to 66mm).
• 3" (68mm to 73mm).
• 3.25" (74mm to 79mm).
• 3.5" (80mm to 86mm).
• 3.75" (87mm to 92mm).
• 4" (93mm to 98mm).
• 4.25" (99mm to 105mm).
• 4.5" (106mm to 111mm).
• 4.75" (112mm to 117mm).
• 5" (118mm to 124mm).
• 5.25" (125mm to 130mm).
• 5.5" (131mm to 136mm).
• 5.75" (137mm to 143mm).

Manual & Warranty