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Alpine Astronomical Baader Red CCD Filter (1.25 )
This 1.25 , cell-mounted Baader Red CCD Filter from Alpine Astronomical improves deep-sky observation by enhancing contrast and reducing the effect of light pollution with no halos, reflections, or ghosting.
Mechanical Properties
Optical Properties
This 1.25 , cell-mounted Baader Red CCD Filter from Alpine Astronomical improves deep-sky observation by enhancing contrast and reducing the effect of light pollution with no halos, reflections, or ghosting.
Mechanical Properties
- Each individual filter planeoptically polished to 1/4 wave and parfocal
- Free from reflections due to an elaborate coating design
- Each filter coated separately, not cut or bored out from a large coated plate
- Hard coatings ensure sealed coating edges, impermeable to moisture and environmental forces
- Hard coatings may be cleaned with Baader Optical Wonder fluid without scratches
Optical Properties
- Reflection-free
- RGB-imaging allows equal weighting factors for each channel, very important for automated imaging
- Unique filter design for maximum contrast with extremely high gradients, to allow clear differentiation of colors
- Delivers maximum transmission for H-alpha and S-II while cutting IR with highest efficiency
Alpine Astronomical FR-1 Specs
| Diameter | 1.25" / 31.75 mm |
| Thickness | 2 mm |
| Weight | 2.08 oz / 59 g |
In the Box
- Alpine Astronomical Baader Red CCD Filter (1.25")
- 2-Year Manufacturer Warranty
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