Artesky ARTSF75 ND 5.0 solar filter, 75 mm aperture, adjustable cell (SKU: ARTSF75)

Artesky ARTSF75 ND 5.0 solar filter, 75 mm aperture (Artesky, SKU: ARTSF75) fits in front of a compatible instrument’s objective to attenuate sunlight before it enters the telescope. Baader AstroSolar film in a metal cell is intended for visual observing and photography of the photosphere in white light.

Key features

• item: Baader AstroSolar film mounted without tension
• metal cell
• three screws with plastic tips

Included items

• item: Artesky ARTSF75 filter in an adjustable cell

Technical specifications

• clear filter aperture: 75 mm
• outside tube diameter range: 70–92 mm
• optical density: ND 5.0
• nominal transmission: 0.001%
• mounting position: in front of the instrument optics

Before every use, inspect the film and ensure the attachment is secure. Do not use a damaged filter. Fit the filter before pointing at the Sun, and protect or cover the finder as well.

The filter prepares a compatible instrument for white-light photosphere observation.