Meade glass white-light solar filter mod. #450. Fits Optical Tube Diameter 4 1/8" (106mm) to 4 3/8" (111mm). Safe for viewing the Sun. Blocks 99.999% of incoming light. Compatibility: 90 mm telescopes such as Meade ETX90 Observer, Polaris 90, StarNavigator NG 90 MAK.
SkyWatcher film solar filter for refractor optical tube with 80 mm aperture diameter. Place frontally for observing the Sun and its sunspots. Suitable for Celestron Travelscope 70.