William Optics 2" VR Violet Reducing Filter WA-VR1-2
on sale and available from our online store. OpticsPlanet, Inc
is an Authorized US Distributor for William Optics Telescope Accessories
2" Violet Reducer, to reduce the violet fringes.
Features of William Optics 2" VR Violet Reducing Filter WA-VR1-2:
The WO VR-1 is a 2 " Minus Violet filter that tremendously reduces the effects of chromatic aberration (purple halo and blue glow) that achromatic refractors return on bright objects.
It's particularly suited for color and black & white photography. It works by absorbing light in the violet spectrum (around 400 nm) for more pinpoint, "APO" star views.
• Decrease violet fringing to a nearly APO level while still providing good transparency in the rest of the spectrum.
• Threaded to fit all threaded 2 " eyepieces and diagonals. Very convenient when used together with WO 2" Diagonals!
High Quality Finish
• Carefully machined aluminim body.
• Laser engraving.
• Reduces false colour to a nearly APO level on bright objects like the Moon, Venus, and bright stars.