Astrozap Glass Solar Filter for 98-105 mm Tubes

Astrozap Glass Solar Filter for 98-105 mm Tubes – Product description

Front-mounted solar filter made from coated optical glass for tubes with 98-105 mm outside diameter.

Key product details

• White-light solar observing
• Telescope tubes with 98-105 mm outside diameter
• Observing sunspots and photospheric detail
• ND 5.0
• Transmission 1/100,000 according to product data
• Coated optical glass

Product overview

This Astrozap filter mounts in front of the telescope aperture and reduces sunlight to 1/100,000 according to the product data. The Sun appears with a yellow-orange colour tone.

Suitable applications

• White-light solar observing
• Telescope tubes with 98-105 mm outside diameter
• Observing sunspots and photospheric detail

Included equipment

• ND 5.0
• Transmission 1/100,000 according to product data
• Coated optical glass
• Aluminium cell
• Fit range 98-105 mm
• Approx. 90 mm clear aperture according to the manufacturer

Correct fit is essential

A front solar filter must fit securely without play. Measure the telescope's outside diameter accurately before purchasing.

Safety information

Never look at the Sun through a telescope without a securely mounted, undamaged front solar filter. Inspect the filter carefully before every use.

Practical note

Inspect the filter glass, cell and attachment before every observation. The filter must not be able to come off accidentally through wind or contact.

Selection note

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