| Brand | Optolong |
|---|---|
| Compatible Brand | optolong |
| Type | Filter |
| Size | 2.0 in |
Check the listing for details. OPTOLONG Filter 2" OIII-CCD 6.5nm. Condition: New. Listed at 200.00 USD. 🔭 Optolong OIII-CCD 6.5nm Narrowband Filter – 2" Mounted. With its extra-narrow 6.5nm bandwidth centered on the Oxygen-III emission line, this filter strongly suppresses light pollution while maximizing nebular signal—making it ideal for serious astrophotographers.
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