Baader O-III deepsky filter (1.25")

These filters transmit light only around the O-III wavelength. Recommended for supernova remnants and planetary nebulae but perform well on most of the emission nebulae as well. It gives the best contrast on these objects.

Baader 1¼" O III Filter, (10nm) visual specifications:

• ultra hard and bright O-III visual contrast for any telescopes
• no visual color fringing, just pure O-III
• non-ageing sealed coating edges

These filters transmit light only around the O-III wavelength. Recommended for supernova remnants and planetary nebulae but perform well on most of the emission nebulae as well. It gives the best contrast on these objects.