Filters

Astronomik ProPlanet-807 CCD filter (31.7mm)

Size: 31,7mm
Using: Fotografie
Type: IR-Pass

AstroSolar Photo Film (imaging only), telescope quality, Optical Density OD = 3.8

AstroSolar Safety Film 20x30cm ND = 5.0

AstroSolar Safety Film 20x30cm ND = 3.8

Digital solar imaging at highest magnifications and short exposure times. Not suitable for visual observation

Baader 1¼" Baader IR-Passfilter, 685 nm

Baader 1¼" Semi APO Filter (optically polished / Phantom Coating Group)

Baader Clear Focusing filter 1 1/4" with LPFC M28.5

Red 610nm longpass filter with steep absorption edge.
Filters the H-alpha line from the visible spectrum.
Blue and Green lights is almost completely filtered blocked increasing contrast between the light and dark bands on Jupiter and Saturn.
Most interesting filter to use for observing the polar caps of Mars.
An optimum filter for daily observation of all the planets.
Multi-coated for max contrast – no reflections, scatter or dimming.
Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.
Both sides 7-layer AR coating with only 0.25% residual reflection per surface. This is the most antireflective that has ever been undertaken with color filters.