WTS: Orion Minus Violet Filter 1.25" -SOLD
Posted: Thu May 17, 2007 10:55 pm
Threads into diagonals or eyepieces, improves contrast and almost eliminate purple fringing in 2 elements achro refractors, also emphasizes detail on Jupiter & Saturn.
Comes with plastic case, selling $45.00
Orion V-Block
Read how V-Block filter improves a 150mm Achromatic Refractor!
Orion V-Block in use
Comes with plastic case, selling $45.00
Orion V-Block
Read how V-Block filter improves a 150mm Achromatic Refractor!
Orion V-Block in use