Spectrum Telescopes Binocular Solar Filter

These filters are specifically designed to fit binoculars with an objective lens diameter of 2.75 inches. Before purchasing, you must measure the outer diameter of your binocular's objective lens housing to ensure a secure fit.

The optical thin film produces a natural yellow-orange image of the sun. This provides a clear, high-contrast view that is ideal for observing sunspots and tracking solar eclipses.

The filters are housed in durable aluminum cells that slide over the objective ends of your binoculars. They are designed for a snug, reliable fit, but you should always double-check that they are securely attached before pointing your optics at the sun.

Yes, these filters are specifically engineered to block harmful light, making solar observation safe when used correctly. However, you should always inspect the thin film for any pinholes or scratches before every use to ensure the integrity of the filter.

Yes, because these are sold as a matched pair for binoculars, you must use both filters simultaneously. Using only one filter would create an unsafe and unbalanced viewing experience.