Solomark 1.25 Inch 4pcs Color Filter Set for Telescope Eyepiece For Sale
Solomark 1.25 Inch 4pcs Color Filter Set for Telescope Eyepiece:
Solomark 1.25 Inch 4pcs Color Filter Set for Telescope Eyepiece - No.12 Yellow, No.23 Red, No.80A Blue and No.56 Green
Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue.
Solomark filters are made of high quality, solid plane parallel glass with excellent homogeneity.
They anti-reflection coated to prevent glaring and ghosting. All eyepiece filters are threaded to fit Celestron and most other manufacturer 1.25 inch eyepieces, and offer a full 26 mm clear aperture.
SOLOMARK color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases.
The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations. This allows you to create different color combinations and transmission characteristics, or to have the same color characteristic, but with a lower transmission.
When stacking color filters, the effective transmission of the combination you create is equal to the product of the spectral transmission of each of the filters used.
4 X 1.25 Inch Filter
- Color eyepiece filter set includes No.12 Yellow, No.23 Red, No.80A Blue and No.56 Green.
- Perfect for lunar and planetary observation
- Reduce glare and light scattering
- High-quality, solid plane parallel glass
- Stackable filters for various combinations
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