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Model: baadersemiapo-1Part Number: 2458398Brand: Baader
"I see you deal with Baader products. Can you supply their new Semi APO filter? Reviews are excellent as it has minimal colour shift and better CA reduction than the alternative 'Fringe Killer'. I intend to keep it in the 2" diagonal permanently to avoid swapping with every eyepiece...."
Yes, we can :-)
The Baader Semi-APO filter is one of the most advanced 'minus-violet' type filter available. Remarkably efficient and neutral, it practically disappears in use while removing most of the violet fringe! The effects are remarkable, even with small refractors. The RGB enhancement of the Neodymium substrate also makes this a superb planetary filter, particularly for Jupiter and Mars.
Review from Astronomy Technology Today comparing the Baader fringe killer, semi-apo and contrast-booster filters.
Absolutely super filter, really does away with ca and sharpens up fine contrast in planets and lunar views. So very pleased with results, makes double star splits a pleasure. I can really recommend this for achromatic refractors.
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