Spectrum Telescopes Glass Solar Filter

You need to measure the outside diameter of your telescope's optical tube at the front opening. Once you have that measurement, compare it against the available filter sizes to ensure a secure, snug fit.

Yes, this glass filter is designed to produce a natural yellow-orange image of the sun. It is excellent for observing sunspots, solar granulation, and the progression of solar eclipses.

Yes, this is a full-aperture solar filter specifically engineered for safe solar viewing. It blocks the vast majority of sunlight, allowing you to observe the sun directly through your telescope without damaging your equipment or your eyes.

The filter features a durable aluminum cell that slips over the front of your telescope's optical tube. It is secured in place using nylon thumb screws, and the interior is lined with felt padding to ensure a tight, scratch-free connection.

It is compatible with most telescopes, provided you select the correct size based on your tube's outside diameter. However, always ensure the filter is securely attached and covers the entire aperture before pointing your telescope at the sun.