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Baader Planetarium S58 to M68a Adapter
The Baader Planetarium Adapter S58-long to M68a (short) connects the Baader BACHES Echelle spectrograph to the Baader (Zeiss) M68 system. S58 is a Baader dovetail, not a thread; the other side of the adapter is a male M68 (M68a) connection. Through the M68 system, BACHES can be attached to the most commonly used telescopes, and many cameras can be attached as well.
A Low-Profile S58 to M68a Connection
This adapter solves the specific mechanical challenge of integrating the S58 dovetail of the BACHES spectrograph into an optical train built around the M68 standard. It allows you to attach instruments like the BACHES spectrograph to M68-threaded focusers or accessories, maintaining system rigidity and alignment.
The "short" designation is key; the adapter is engineered to add minimal length to the optical path. This is crucial for imagers and spectroscopists who are often working within tight back focus tolerances, especially when using reducers, flatteners, or other optical correctors.
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BACHES Spectrograph Integration: Provides the necessary conversion to attach the BACHES spectrograph directly to an M68-threaded focuser or accessory train.
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What is the primary purpose of the Adapter S58-long to M68a (short)?
Its purpose is to connect the Baader BACHES spectrograph, via its S58 dovetail, to the Baader (Zeiss) M68 system, so BACHES can be attached to telescopes or focusers that use M68.
Will this Adapter S58-long to M68a (short) work with any S58 accessory?
Baader names only the BACHES spectrograph for this adapter. Whether another S58 accessory fits depends on that accessory, so check with Baader first.
I have a Baader BACHES spectrograph and want to connect it to my focuser with an M68 output. Is the Adapter S58-long to M68a (short) the correct part?
Yes, this is the intended application. The adapter takes the S58 dovetail of the BACHES spectrograph and presents an M68 connection for your focuser, providing a secure and rigid connection for spectroscopy.
Why is a "short" adapter like the Adapter S58-long to M68a (short) important?
A "short" or low-profile adapter is crucial for maintaining back focus. Many imaging systems with reducers or flatteners have very strict spacing requirements, and this adapter uses as little of that available distance as possible.
What do "S58" and "M68" refer to on the Adapter S58-long to M68a (short)?
S58 and M68 are thread standards. M68 (specifically M68x1) is a common large-format thread used on high-end focusers and accessories for its rigidity. S58 is a Baader dovetail standard, not a thread; it is used on the BACHES spectrograph, on Diamond SteelTrack focusers and on Baader ClickLock 2" diagonals.
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Baader Planetarium Warranty
