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These are safe full aperture (sometimes referred as clear aperture) solar filters. This means that it allows the most light possible into the telescope because it allows the full aperture of your telescope to be viewed. The full aperture allows the best possible daytime viewing when there is minimal atmospheric turbulence. If turbulence is present a mask can be put over the end of the filter to effectively reduce the aperture.
This premium solar filter has an aluminum cell that is secured and centered to the tube end of the telescope with nylon thumb screws and felt padding. The clear aperture is made with high quality hand selected and inspected reflective coated glass. This is the highest quality, durable, glass, full aperture solar filter on the market. The sun is viewed in a natural yellowish-orange image. The filter can be used for direct viewing through the telescope or for photography.
The filter box is foam lined for protection and shock absorption during handling. It is durable enough to store the filter while not in use
This premium solar filter is safe for photographs and views of the Sun. Slip your solar filter over telescopes, spotting scopes, cameras or any optical device. The aperture is off-center and mounted into an aluminum ring that slips over the sky end of your optical tube. Secure and center the filter with a nylon thumb screw and felt tab. Instructions for proper use and care for your Solar Filter insure a long filter life. When used properly, a natural yellow-orange image of the sun is viewed through the filter. Dependent on the size and strength of the optical device, you will see solar granulation (Sun's photo-sphere). Sunspots, planet transits, and a solar eclipse may be observed when present.
