About this product
Reduces unwanted glare when observing the Moon and planets.
Transmits 12.5% of light so suitable for astronomical telescopes with 4-10" aperture.
Premium optical glass with anti-reflection coatings and a neutral density (doesn't affect colour).
Screws into the standard 1.25" filter thread of eyepieces and accessories and can be stacked with other filters.
- Anti-reflection coated pane parallel glass (not plastic!).
- Machined aluminium cell.
- 26mm clear aperture (maximum resolution, minimum vignetting).
- Transmits 12.5% of the light - perfect for bright lunar observing with most telescopes.
- Supplied in protective foam-lined plastic storage box.
|Average Rating (1 Review): |Improves contrast when viewing the moon.
Tuesday, 5 June 2018 | John
Does what it says on the tin, this dramatically improves the detail that you can see on the moon's surface.
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