Baader 1.25" Filter holder T-2a to T-2a – with 1.25" filter thread

Baader 1.25" Filter holder T-2a to T-2a – with 1.25" filter thread

Description:
The Baader T2 adapter ring for 1.25" filters offers a reliable way to insert standard 1¼" (M28.5 mm) screw-in filters into T-2 threaded optical systems. Featuring T-2 male threads on both sides, this adapter allows for seamless inclusion of filters between accessories.

Applications include:

• Attaching 1.25" filters in front of binocular eyepieces

• Combining SBIG CCD cameras with filter wheels such as the CFW-8

• Use in any optical train that supports T-2 threads, for visual or photographic purposes

Made of black anodized aluminum, this adapter is lightweight, durable, and prevents unwanted reflections. Ideal for integrating narrowband, color, or neutral filters in any T-2 setup.

Technical specifications:

• Type: Adapter ring

• External thread: T-2 (M42 x 0.75) both sides

• Internal thread: M28.5 x 0.6 mm (1¼" filter standard)

• Material: Black anodized aluminum

• Use: Insert 1.25" filters in T2 mount

• Compatibility: Binoculars, SBIG CCD cameras, T2 accessories

• Weight: < 50 g

Additional information:

• Manufacturer: Baader Planetarium

• Reference:
  BA-1508030

• Recommended use: Visual observation, CCD imaging with filters

• Not compatible with 2" filters or non-standard sizes