The Baader UFC S70 Base Connector is a low profile adapter which allows you to stack several UFC base chambers together so that you can utilize multiple filters in the light path. This can be useful for IDAS photography.

The S70 Base Connector consists of an S70 dovetail on the camera side for stacking multiple base chambers, and a telescope-side mounting plate for direct connection to another UFC base chamber using the including screws. The adapter has an optical thickness of 2mm.

The Baader UFC Universal Filter Changer is an incredibly versatile modular filter holder system with adapters for a wide range of telescopes and imaging trains, including the Celestron RASA series and even camera lenses.

Every component of the UFC system is precisely machined and designed so that no flexure is introduced into the imaging train. The adjustable magnet allows you to exactly tune the retaining force and positioning of the filter for repeatable flat frames.

Below is a diagram showing the many different camera- and telescope-side adapters, extension rings and filter holders that are available in the UFC system, with over 30 different items to choose from. While it may look complicated, it is simply a matter of matching the telescope adapter and camera adapter to the main body and selecting a suitable filter holder.

 The low profile and shape of the UFC makes it suitable for use with the Celestron RASA / Hyperstar system, where traditional filter wheels would block too much of the light path. It will also fit between a diagonal and SCT without causing focusing issues.

Specifications