This long-pass filter limits transmission of light with wavelengths longer than 650nm.
- BLACK FRIDAY / CYBER MONDAY
- Spotting Scopes
- Nature Night Camera
- Microscopes Magnifiers
- Garden Wildlife
- Photo Video
- Metal Detectors
- Christmas Gifts
- Weather Meteorology
- Winter Catalogue
- Action Figures
- Solar Eclipse - March 20th
- Radio Control
- Range Finders
- Sound Telephones
- Games Jigsaws
List of products by brand Optical Vision Limited
The UK’s premier distributor of Astronomical Telescopes, Birdwatching Binoculars, Binoculars for Astronomy, Spotting Scopes, Brass Telescopes, Tripods, Monoculars & Microscopes, Astronomical and Telescope Accessories under the well-known and highly respected Sky-Watcher, Sky-Watcher PRO-SERIES, TAL, Helios, Acuter, Barr & Stroud, and Zenith brand names.
Sky-Watcher is a First-Class market leading brand of Telescopes for Astronomy with models available for astronomers of all ages and abilities. A massive range of Stargazing Telescopes are available, with the following telescope designs:- Newtonian Reflectors, Dobsonians, Maksutov-Cassegrains, Achromatic Refractors & Apochromatic ED Refractors supplied on a variety of Telescope Mountings.
This filter blocks night glow and airglow, sodium and mercury emissions (but not UV or IV).
This filter blocks low and high pressure mercury and sodium vapour lamplight and neon light whilst letting the rest of the visible spectrum through. Excellent for viewing all deep sky objects under the urban sky. Suitable for visual observations and for CCD photography.
The exotic 1.25” ExtraFlat 5-6-element eyepiece design packs premium features & highend performance into a surprisingly affordable package
The 2” PanaView™ 5-element eyepieces, with their impressive high-contrast, panoramic views, are sure to be extremely popular for enthusiasts of low power, deep-sky observing.
A high-performance zoom eyepiece of top quality construction, providing a flat field of view and crisp, clear distortion-free images