SBIG 50mm Oxygen III Filter

The SBIG 50mm Round Oxygen III Filter is compatible with FW8S-STXL filter wheels, as well as the older STXL self-guided filter wheels. They are specifically built to SBIG's exact specifications. This filter is also parfocal, avoiding the need for unnecessary refocusing. Your deep-sky images with these filters will be the envy of even the most seasoned astrophotographers!

• Oxygen III (OIII) Filter: 500.7nm, bandwidth 6.5nm
• OIII Filter only. All other pictured filters sold separately