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Otherwise you can also use this ClickLock # 2956272 from the M72 thread down to 2":
But it looks I need a conversion adapter, M68 female to m48 female, to use this.
Is there such an adapter? If so, how much does it increase the back focus and the price?
You could use Baader M68 Conversion Ring # 2458195 to convert the male thread on the eyepiece side to a female thread, and then M68a to M48a Reducing piece # 2458229 to get a male M48-thread.
The M48-adapter has got an optical length of 5mm, the inverter is 12mm long, so total length would be 17mm.
My TSA-120 is currently fitted with the Baader 2" ClickLock M72a clamp (Takahashi) #2956272. If part #2558230 is necessary, can I dismantle it from the M72a clamp (2956272)? ...If so, please provide details on how to dismantle the Baader 2" ClickLock M72a clamp (Takahashi) #2956272.
Baader Ultrashort 2" eyepiece clamp
Baader Ultrashort 2" eyepiece clamp (12 mm backfocus) to mount onto the Carl Zeiss M68 System thread. Both sides of the clamp are equipped w. M68 male threads. This allows to integrate this 2" clamp into a series of M68 extension rings to work as 2" eyepiece holder for eyepiece projection - or to accommodate the FFC 4x Fluorit-Barlow into the beam of light - or to mount a baader TelecentricSystem 2x or 4x.
The Ultrashort clamp M68 mounts onto all Baader Steeltrack and 3.5" Hyperion focusers. It is the best solution to couple heavy equipment like H-alpha filters or CCD-cameras onto any telescope.
|Net weight (kg)||0.14|
|Optical length (mm)||12.4mm at M68, 17.4mm at M60|
|Clamping System||Screw clamps|
|Screw Type||3x M4 clamping screws|
|Inner Diameter / Clear Aperture (mm)||50,8 (2")|
|Outer Connection (lens sided)||Thread, M60, M68 x 1|
|Inner Connection (eyepiece/-camera-sided)||Clamp, 2" (50,8mm)|
|Outer Connection (eyepiece/-camera-sided)||Thread, M68 x 1|
|Compatible Brands||UNC, Baader Planetarium, Celestron, Skywatcher, Vixen, Zeiss|
|Type of Adapter||Eyepiece Clamp, Reducing piece|
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