Original: $323.66
-65%$323.66
$113.28The Story
Highlights
Research Grade Telecentric Unit, featuring an oversized pick up expanding lens set and 2" (50.8mm) threads on both sides – T-2 Adapter and 2" m/f inverter ring are both included as standard accessories
46mm clear aperture at the H-alpha-filter entrance side - suitable for research grade SolarSpectrum H-alpha filters
Large working distance of 250mm for optimized focal length reduction with a telecompressor and suitable room for adapting a binocular viewer
Aplanatic, with 3x focal length extension to achieve a parallel f/30 beam in conjunction with ~f/10 optics systems – free of field curvature
Primarily calculated and produced for H-alpha at 656,3 nm, delivering 99% Strehl (99% definition brightness )
Diffraction limited design also at 396 nm (CaK)
Specifications
| Manufacturer | Baader Planetarium |
|---|---|
| SKU (#) | 2459257 |
| EAN Code | 4047825008695 |
| Weight (kg) | 0.37 |
| Focal length extension | 3x |
| Usage | for H-alpha observation with SolarSpectrum filters |
| Inner Connection (lens sided) | Thread, T-2 (M42 x 0,75), 2" (50,8mm) |
| Outer Connection (lens sided) | Thread, 2" (50,8mm) |
| Outer Connection (eyepiece/-camera-sided) | Thread, T-2 (M42 x 0,75), 2" (50,8mm) |
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Highlights
Research Grade Telecentric Unit, featuring an oversized pick up expanding lens set and 2" (50.8mm) threads on both sides – T-2 Adapter and 2" m/f inverter ring are both included as standard accessories
46mm clear aperture at the H-alpha-filter entrance side - suitable for research grade SolarSpectrum H-alpha filters
Large working distance of 250mm for optimized focal length reduction with a telecompressor and suitable room for adapting a binocular viewer
Aplanatic, with 3x focal length extension to achieve a parallel f/30 beam in conjunction with ~f/10 optics systems – free of field curvature
Primarily calculated and produced for H-alpha at 656,3 nm, delivering 99% Strehl (99% definition brightness )
Diffraction limited design also at 396 nm (CaK)
Specifications
| Manufacturer | Baader Planetarium |
|---|---|
| SKU (#) | 2459257 |
| EAN Code | 4047825008695 |
| Weight (kg) | 0.37 |
| Focal length extension | 3x |
| Usage | for H-alpha observation with SolarSpectrum filters |
| Inner Connection (lens sided) | Thread, T-2 (M42 x 0,75), 2" (50,8mm) |
| Outer Connection (lens sided) | Thread, 2" (50,8mm) |
| Outer Connection (eyepiece/-camera-sided) | Thread, T-2 (M42 x 0,75), 2" (50,8mm) |
