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Baader Adapter - M68x1(F)/M63x1(M) (Feather Touch 2.5", TS-Optics)
The Baader M68x1(F) to M63x1(M) Adapter provides the essential mechanical link for integrating Baader's extensive M68 accessory ecosystem with high-end focusers that use a male M63x1 thread. This adapter is specifically designed to create a secure, wide-aperture connection to popular 2.5" Feather Touch focusers and select TS-Optics models, replacing less rigid adapters for a solid imaging train.
Connecting the Baader M68 System to 2.5" Feather Touch Focusers
This adapter solves a common compatibility challenge for imagers who own a premium 2.5" Feather Touch focuser but wish to use M68-threaded accessories like the Baader M68 Off-Axis Guider, filter wheels, or extension tubes. It enables you to build a complete, consistently threaded imaging train directly from the focuser drawtube, eliminating the potential for tilt or sag that can occur with multi-part solutions or compression-ring adapters.
A Rigid, Low-Profile Connection for M68 Accessories
Engineered for rigidity, this single-piece adapter ensures that your optical axis remains perfectly aligned from the focuser to the camera sensor. Its low-profile design consumes a minimal amount of precious back focus, a critical consideration when incorporating multiple accessories like correctors and guiders. By creating a direct metal-on-metal threaded interface, the Baader M68 to M63 adapter prevents flexure that can compromise flat-field imaging, especially with heavier camera payloads.
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What is the primary purpose of the Baader M68 to M63 adapter?
This adapter's primary function is to connect accessories with a male M68x1 thread to a focuser that has a female M63x1 thread. It is commonly used to attach the Baader M68 system components to 2.5" Feather Touch and some TS-Optics focusers.
Will this Baader adapter fit my 2.5" Feather Touch focuser?
Yes, this adapter is specifically designed to thread onto the drawtube of Starlight Instruments 2.5" Feather Touch focusers that feature the female M63x1 thread. This creates a native M68 connection point for building a robust imaging train.
Can I attach a Baader M68 Off-Axis Guider to my TS-Optics focuser with this adapter?
If your specific model of TS-Optics focuser has a female M63x1 thread for accessories, then yes. This adapter will provide the necessary female M68x1 port to securely mount a Baader M68 OAG or other components in that system.
Why should I use this Baader adapter instead of a generic 2" nosepiece?
A threaded connection is mechanically superior to a slip-fit nosepiece held by thumbscrews. This adapter prevents any possibility of tilt or flexure, which is critical for maintaining sharp, round stars across the entire field of view, especially with heavy cameras or long exposures.
Does this adapter add significant length to my imaging train?
No, the Baader M68 to M63 adapter is designed to be as low-profile as possible. It adds minimal optical path length, helping you stay within the critical back focus distance required by your telescope's flattener or reducer.
What accessories can I connect to the female M68 thread on this adapter?
The female M68x1 thread opens up the entire Baader M68 system. This includes:
- Baader M68 Off-Axis Guiders (OAG)
- Baader M68 Extension Tubes for precise spacing
- Adapters to connect to filter wheels and camera-specific threads
- The Baader M68 Tilter for fine-tuning sensor alignment
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| Net weight (kg) |
0.02 |
| Compatible Brands |
Baader Planetarium, Feathertouch, Zeiss |
| Inner Diameter / Clear Aperture (mm) |
58 |
| Outer Diameter |
75 |
| Type of Adapter |
Expanding Adapter |
| Optical length (mm) |
7.3 |
| Inner Connection (eyepiece/-camera-sided) |
M68 x 1 |
| Outer Connection (lens sided) |
M63 x 1 |
| Adapters Family |
M68 System |
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Baader Planetarium Warranty
