Baader Planetarium UFC Camera-Adapter S58 – Optical height: 7.2 mm
- Adds 7.2 mm of Optical Height
- S58 Dovetail Interface
- Aligns UFC Filter Slider with 2" Diagonals
- Prevents Physical Interference
- Maintains a Rigid Optical Train
A precise 7.2 mm of optical height is the specific function of the Baader UFC S58 Dovetail Camera Adapter, engineered to solve the critical alignment problem when mounting the UFC filter slider system directly onto 2-inch star diagonals. This adapter ensures the filter slider clears the diagonal's housing without introducing tilt or flexure, maintaining a rigid and parfocal imaging train.
When you attach the main UFC Base to a 2" diagonal, the filter slider mechanism often lacks the clearance to operate without hitting the diagonal's body. This 7.2 mm adapter creates the exact spacing required to lift the filter assembly, ensuring smooth, unobstructed filter changes. Its S58 dovetail interface guarantees a secure, non-flexing connection to the rest of your Baader UFC components.
This adapter is essential when you want to place the Baader UFC filter changer after your 2" diagonal in the optical path of a Schmidt-Cassegrain or refractor. It provides the necessary physical clearance for the filter slider to move without colliding with the diagonal's housing.
Its sole purpose is to add 7.2 mm of optical path length. This specific height is designed to solve the common problem of a UFC filter slider physically interfering with the body of a 2" star diagonal when they are connected directly.
It features the standard Baader S58 dovetail on one side, allowing it to securely clamp into the UFC Base (Filter Chamber). The other side will typically connect to another UFC adapter tailored to your specific camera or diagonal threads.
While possible, it is not recommended. The Baader UFC S58 adapter is part of a matched system, using the S58 dovetail for a secure, repeatable, and tilt-free connection that generic threaded spacers cannot guarantee. Using non-UFC parts can introduce flexure and alignment issues into your imaging train.
No, this adapter is specifically for use with 2" diagonals. Fast imaging systems like a RASA or a telescope with a HyperStar place the camera at the front of the telescope and do not use a diagonal. You would need different UFC adapters to calculate the correct backfocus for those systems.
Yes, absolutely. You must account for the 7.2 mm of optical path this adapter adds when calculating the total backfocus for your imaging train, especially if you are using a reducer or flattener with strict spacing requirements.
| Optical Height | 7.2 mm |
| Connection Type | Baader S58 Dovetail |
| Primary Application | Alignment of UFC Filter Slider on 2" Diagonals |
UFC S58 Dovetail Camera Adapter (7.2mm)
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