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jefferson's Review of Celestron Oxygen III Narrowband Filters
Filters the visible spectrum at 435 nano meters, I plan on using this filter with the Celestron Ultima Dou Eyepiece and DSLR camera, I just need 2 more to complete my RGB set SII and HA. I just wished, these filters were not so expensive. THe images I got with OIII was crisp and sharp with my SCT and Newtonian.
Pros:
- Fits eye pieces
- Just beautiful
Cons:
- Expensive filters
Best Used for:
- Astrophography
Would Recommend:
Yes