Item Type: Solar Filter
Filter Caliber Size: 1.25 inch / 31.7mm
Mounting Thread: M28.6x0.6, or M30x1
Material: optical glass lens
Frame Material: Aluminum Alloy
Shape: round
Color: black
Suitable occasion: Watching sunrise and sunset.
Inappropriate Occasion: Watching strong Sunlight (Noon)
Package Includes
1x solar filter