Product Reviews
- Reviews
- Questions

This is a great little filter.
Product Details
#21 Orange (46% transmission) reduces or blocks transmission of blue-green wavelengths. Use on Jupiter and Saturn to enhance detail in the belts and polar regions. Sharpens boundaries between yellow-orange areas and blue-green regions on Mars resulting in a darkening of edge-detail in the maria.
??¨
TPO Product Number: OS-F2-21
#21 Orange Filter:
specifications
Filter Type | Orange |
Free Shipping | Yes |
Size | 2" |
Warranty | 2 Year Warranty |
Wratten # | 21 |
This is a great little filter.