Part of their Astro T2 modular accessory system, you can use the Alpine Astronomical Baader FR-4 Focusing Ring Collar to set and lock a custom insertion depth for just about any 1.25" eyepiece. By choosing a specific insertion depth, you can make the eyepiece parfocal with other eyepieces or gear, such as with imagers.
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Alpine Astronomical Baader FR-4 Focusing Ring Collar (1.25")
Key Features
- Part of the Astro T2 Modular System
- Fits Most 1.25" Eyepieces
- Allows Specific Insertion Depth
Part of their Astro T2 modular accessory system, you can use the Alpine Astronomical Baader FR-4 Focusing Ring Collar to set and lock a custom insertion depth for just about any 1.25" eyepiece. By choosing a specific insertion depth, you can make the eyepiece parfocal with other eyepieces or gear, such as with imagers.
Alpine Astronomical Baader Overview
Alpine Astronomical Baader Specs
Packaging Info
| Package Weight | 0.05 lb |
| Box Dimensions (LxWxH) | 3.9 x 2.45 x 0.7" |
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