Optolong L-Extreme 7nm Dual Narrowband Filter (H-Alpha and O-III) (1.25")
R 6 189.72
4.5(18)
View at Amazon rated at Amazon ยท checked 16 days ago
- Average
- R 6 444.72
- Lowest seen
- R 6 189.72
- Highest seen
- R 6 444.72
- Last change
- -R 255.00
- First indexed
- 13 Sep 2026
- Retailer
- Amazon
Description
Dual H-Alpha/O-III 7nm narrowband filter
Allows for imaging in bright man-made light pollution and moonlit conditions
Most useful for One-Shot Color cameras
Take color images without needing to combine images with multiple filters
Use for taking images of emission nebulae