Baader 2" ClickLock eyepiece clamps (from T-2 to 4,1")

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Baader 2" ClickLock eyepiece clamps (from T-2 to 4,1")

Please choose product variant from dropdown below to see SKU number

€ 73.00 Price excl. German VAT tax (16%): € 61.34

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17 Review(s) | Add Your Review

Baader 2" ClickLock clamps – available for many brands and sizes
A small rotation by 20° with gentle fingertip pressure to the knurled lever is enough to securely clamp every 2" accessory.
Ratchet function – features acoustic and haptic display of the clamp-position. This way you can hear and feel in darkness without looking if the clamp is opened or closed.
Compression tension-ring of thick-walled hard bronze, keeps its shape even after many years of use and holds expensive accessories securely - without causing scratches or pressure points on your accessories.
The following 2" Baader ClickLocks are available:
- #2956220 SC / HD (2")-Clicklock (5" SC, 6" SC/HD, 8" SC/HD and 9¼" SC)
- #2956233 SCL (3,3")-ClickLock (9¼" HD, 11" SC/HD and 14" SC/HD)
- #2956242 M42i x 0.75-ClickLock (Astro T-2 System)
- #2956248 M48i x 0.75-ClickLock (2" Filter- / Fotogewinde)
- #2956251 NEU 03/20 M54a x 0,75-2" (TS-Optics / SkyWatcher)
- #2956252 S52-recepter-ClickLock (Baader S52 dovetail-standard)
- #2956253 M54i x 0,75-ClickLock (Bresser / Omegon / Explore Scientific)
- #2956254 M54a x 1-ClickLock (Skywatcher / Orion)
- #2956255 M56i x 0,75-ClickLock (Takahashi)
- #2956256 M56i x 1-ClickLock (Skywatcher / Celestron)
- #2956257 S57-ClickLock (Skywatcher / Celestron)
- #2956258 S58-ClickLock (Baader Diamond Steeltrack)
- #2956260 M60a x 0,75-ClickLock (Vixen)
- #2956263 M63a x 1-ClickLock (for Feathertouch 2.5", TS-Optics)
- #2956264 M64a x 0,75-ClickLock (Takahashi)
- #2956269 M68i x 0,75-ClickLock (Hexafoc: Bresser / Explore Scientific, Omegon)
- #2956268 M68a x 1-ClickLock (Zeiss-norm / Baader M68-System)
- #2956227 2,7"a UNF/24G-ClickLock (Astro Physics)
- #2956272 M72a x 1-ClickLock (Takahashi)
- #2956274 M74i x 1-ClickLock (for Skywatcher Esprit, TS-Optics and Omegon)
- #2956275 M75a x 1-ClickLock (for Feathertouch 3.0")
- #2956284 M84a x 1-ClickLock (Pentax)
- #2956241 4,1"i UNF/24G-ClickLock (Feathertouch / TEC)
- #2956237 37mm ClickLock extension
- #2956247 47mm ClickLock extension
- #2956215 1¼" auf 2" ClickLock expansion

Your desired ClickLock® is not yet available?

Than please answer here a few questions on your telescope / focuser.

We will gladly consider a production.

*ClickLock-Version

* Required Fields

€ 73.00 Price excl. German VAT tax (16%): € 61.34

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Product Questions

Which Baader 2" ClickLock should i choose for my meade lxd55 emc 127 mm refractor ?
Thanks !

Question by: CATRYCKE on Sep 16, 2017 5:33:55 PM | 1 Answer(s)

I have a Celestron Edge HD 8" SCT. After a few months using the 40mm kit eyepiece, I'm looking to purchase a couple of Hyperion eyepieces. What ClickLock components would be required to mount this?

Question by: Greg Russell on Apr 25, 2017 2:58:00 PM | 1 Answer(s)

Which 2" Baader Clicklock will suit my Orion ED80 CF?

Question by: Rocky on Dec 3, 2017 6:02:00 AM | 1 Answer(s)

I recently purchases a 2" Baader Clicklock visual back to use with my EdgeHD 8" SCT. My issue is that the system is too tight and binds up. When I put a 2" diagonal or eyepiece into the clicklock and go to lock it I can only get about 1/2 of the rotational movement before it gets tight to the point of binding up.

Is this an issue or is it designed like this? I also thought that the part would be smooth when rotated, but I can feel distinct clicks so to speak. I just want to make sure that this unit is good and not defective, and I have never use this type of system before

Question by: Trevor on Mar 7, 2017 2:34:00 PM | 1 Answer(s)

I have two questions about the 2" ClickLock 2" CL-Extension 47mm.

1) How long is the overall length of this adapter including the 2" nosepiece. I know the optical length is 47mm, so how long is the attached 2" nosepiece?

2) How deep can a 2" eyepiece be inserted into this adapter? I have a 2" eyepiece with a 38mm nosepiece. Will I be able to seat it all the way in?

Thanks,
Steve

Question by: Steve on Feb 22, 2018 2:31:00 AM | 1 Answer(s)

I have a Celestron Edge HD 8" SCT and I would like to purchase your #2956100 Baader 2" ClickLock Diagonal Mirror and your #2956220 SC-Clicklock.

I have a Nikon DSLR and that I use with and without a Focal reducer. What other Clicklock products would I need to purchase?

Question by: James Burt on Jun 21, 2018 9:18:00 AM | 1 Answer(s)

Can you tell me which 2" clamp is appropriate for the Sky-Watcher 8" Flextube SynScan GoTo Collapsible Dobsonian?
Does this clamp center the accessory relative to the focuser tube?

Question by: Paul on Feb 1, 2019 1:59:00 AM | 1 Answer(s)

What is the optical length for this product (Baader 2" ClickLock CL-SC-Clamp 2956220) ?

Question by: Dana Gehm on Oct 6, 2016 8:38:00 PM | 1 Answer(s)

I have a Celestron Edge HD 8 and I am looking to upgrade the visual back to ClickLock to make it easier and more secure when attaching my camera and when swapping between viewing and imaging. I will be using a Sony Nex 6. I have a camera specific T2 adapter already but I am unsure what other adapters I need to get to the magic number of 133mm. I will not be using the 0.7 reducer. Many thanks!

Question by: Lee on Jul 19, 2019 2:47:00 PM | 1 Answer(s)

i have a C8 edge hd 8" sct with baader 2" click lock and I would like to use my nikon d5300 with an adapter, with which to use a filter without using the UFC. What could I buy?

Question by: Christian Trivellato on May 17, 2019 6:24:00 AM | 1 Answer(s)

The 8" EdgeHD has got a backfocus of 133mm, the SC-Clicklock is 47mm long.
For an APS-C-camera, you can use T-2-adapters without problems and don't need a larger diameter for the adapters. So, you can use the standard T-ring, which gives you 55mm backfocus for the DSLR.

To adapt the APS-C-camera to the 8" EdgeHD with a Clicklock, we'd recommend
- 1x T-Ring Nikon to T-2 # 2408300 (55mm backfocus to the camera sensor)
- 1x Baader VariLock 29, lockable T-2 ExtensionTube 20-29mm with spanner tool, set to 28.5mm, # 2956929
- 1x Baader 2" / T-2 Nose Piece and Camera adapter # 2408150 (total length 2,5mm)
- 1x 2" Clicklock #2956220 (length 47mm, you already have this part)

This gives you a total length of 133mm without a filter.

You can screw any filter with a 2" housing into the 2" nosepiece (just like into any eyepiece). The filter will move the focus outwards by ca. 1/3 of its thickness, so a 2mm filter will move the focus about 0.7mm outwards. If you set the Varilock to 29mm, you are within the 8" EdgeHD's specified working distance of 133.35 +/-0.5mm.

A full-frame camera would require a Wide-T-Ring to make use of the full aperture; for the smallet APS-C, the T-2-combination works fine.

Answer by: Baader Web Team (Admin) on May 20, 2019 9:07:00 AM

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You must be logged in to answer questions.

Can the lever position for the Baader Click-Lock M60 (Vixen thread) be adjusted? I don't see any set screws like are on other models.

Question by: William Rison on Feb 7, 2020 7:11:00 PM | 1 Answer(s)

What do I need to connect my SBIG ST-8300M to my CPC800XLT SCT? What will be the back focus of the ClickLock system?

Question by: ANDREW LINDSAY on Jun 5, 2020 2:22:00 PM | 1 Answer(s)

I intend to place your ClickLock eyepiece holder on my personal construction telescope.
The M64 (Takahashi) or the M60 (vixen) model could suite . But I do not have their thread pitch.
What is the thread pitch of the M64 ClickLock (Takahashi ref # 2956264) and the M60 ClickLock (Vixen, ref # 2956260) ?

Thank you.

Question by: Storme Marc on Nov 12, 2017 12:38:00 PM | 1 Answer(s)

#2956254 M54a x 1-ClickLock (Skywatcher / Orion)
I have a Quattro and the manual says this is a 54.5mm x 1 thread. I have verified this by threading a 54mm x 1 accessory on to the scope and it was very loose. What exactly is the threading on your ClickLock?

Question by: Robert Sapovits on Apr 20, 2020 9:59:00 PM | 1 Answer(s)

I'm looking for a 2" clicklock solution to my Explore Scientific 80 mm ED APO. Unfortunately I cant find the appropriate dimension in your selection. The scope side connection has an external M54 threading (0,75). Can you suggest a solution for me, if necessary in combination with an adapter? I earlier purchased a clicklock for my C14 and I am very happy with the quality of this product.

Question by: Anders Stange on Aug 17, 2017 2:43:00 PM | 1 Answer(s)

I have an 8 Edge HD with the Celestron HD Focal reducer and would like to use the combination of Baader ClickLock and a diagonal WITH the Celestron Edge HD focal reducer. What would be your suggestions if I would like to use the Baader ClickLock system for visual and/or AP, keeping in mind the required 105 mm from Reducer to camera sensor by Celestron, and do I need the Celestron T-adapter also?

Question by: Ernest Joyner on Jun 6, 2017 9:45:35 AM | 1 Answer(s)

The SC-Clicklock has got a length of 47 mm, the distance from a T-2-adapter to the sensor of a DSLR is 55mm. Our T-2/2"-adapter #2408150 adds another 2.5mm, so you are at 104.5 mm which meets the tolerances pretty good - Celestron gives a tolerance of +/- 0.5mm for the EdgeHD. You may use the Baader T-2 adjustment/spacer-rings #2458102 for the perfect distance. The Celestron T-adapter is not required then.

Visual use is a bit complicated, because a star diagonal like #2956100 already has got an optical length of 112mm incl. Clicklock clamp. You can remove the nosepiece, then you'll have a 2"-thread with which you can attach it directly to the reducer - but you'll need the NexStar Locking Ring #2458270 to rotate it into a convenient position. It is 5mm thick - please check if the thread at the Celestron reducer is long enough.

But for visual observation, it is not as critical as for photography - we even have customers who have adapted a focuser to an EdgeHD and are happy with the results.

Answer by: Baader Web Team (Admin) on Jun 12, 2017 12:25:00 PM

You must be logged in to answer questions.

I have a Celestron EdgeHD 800 8" SCT and have #2956220 SC / HD (2") - Clicklock.

Which T Adapter and fully pushes into ClickLock and provides the correct optical path length to use with a Nikon T Mount DSLR?

Question by: Simon Miller on Feb 17, 2020 5:30:00 PM | 1 Answer(s)

What 2" Clicklock for Takahashi 76DS ? Sky90 focuser.?

Question by: Cliff on Oct 15, 2020 2:35:00 AM | 1 Answer(s)

I have a Explorer Scientific ED127 with 2" focuser.I am looking for a Baader Click-Lock adapter. Which one should i order?

Question by: Larry Zaborac on Aug 4, 2020 1:33:00 AM | 1 Answer(s)

Are you thinking about making a 70mm (71mm?) Clicklock nosepiece for Planewave telescopes?

Question by: Gordon Bulger on May 5, 2019 2:48:00 AM | 1 Answer(s)

How long is the nose piece (the part that inserts into the focuser tube) on the 37mm extension (2956237)?
I have the 47mm extension and the nose piece is 27mm on that one...is it the same?

Question by: Steve on Mar 7, 2019 3:08:00 AM | 1 Answer(s)

Is the M68 thread on the 2956268 Clicklock adaptor 1.0 mm pitch or 0.75 mm pitch?

Question by: Bryan Dawson on May 9, 2018 1:54:00 PM | 1 Answer(s)

Love my SCT Baader click lock! Do you have one that’ll work for my Explore Scientific AR152 stock focuser?

Question by: Mia on Oct 26, 2017 11:05:00 PM | 1 Answer(s)

Is there a Clicklock clamp available for the following refractors?
- Tele Vue 85 mm APO Refractor
- Tele Vue NP101is Nagler-Petzval APO Refractor
- Tele Vue NP127is Nagler-Petzval APO Refractor

Thank you!

Question by: Carlos Labastida on Nov 16, 2018 10:39:00 PM | 1 Answer(s)

Which Baader Clicklocks, adapters/diagonals are usable and or recommended for Takahashi Mewlon 210?

Question by: C. Davis on Apr 10, 2019 4:05:00 AM | 1 Answer(s)

I have a Celestron Nexstar Nevolution 9.25. What click lock works with it?

Question by: Todd Leonard on Dec 23, 2020 2:37:00 PM | 1 Answer(s)

Do u know which baader adapter fits my Meade 6000 115mm APO triplet refractor?

Question by: John on Oct 28, 2019 2:59:00 AM | 1 Answer(s)

Do I attach the Baader Click-Lock SCT adapter (2") to my scope by just screwing it on firmly, or should I also tighten the six grub screws?

Question by: Barry on Jan 8, 2021 3:35:00 PM | 1 Answer(s)

I have a Zeiss Telementor telescope with a Zeiss M44 prism diagonal. I want to use 2" eyepieces with my diagonal. Can you supply a 2" click-lock eyepiece holder with a male M44 thread connector?

Question by: Andrei Calciu on Aug 23, 2019 7:13:00 PM | 1 Answer(s)

Hi, I have a binoculars 20x80 skymaster pro
The eyepiece is 40mm, can i use the 90 dgree eyepiece with it so I can easily look up!
Or any other product can serve this purpose?

Question by: Ahmad on Dec 8, 2020 9:10:00 PM | 1 Answer(s)

Click-lock with M54x0.75 male thread ? It is the thread used by telescopes such as the William Optics ZenithStar 61 APO and TS-Optics 60mm f / 6 FPL53 Apo

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Question by: Antonio on Mar 2, 2018 9:35:00 AM | 1 Answer(s)

Which Baaader 2" ClickLock should I choose for my SkyWatcher Mak-Newtonian 190mm reflector?

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Question by: Antonio Simon on Nov 4, 2020 3:19:00 PM | 1 Answer(s)

I have a Celestron Edge HD 11" SCT. Is the #2956257 S57-ClickLock what I need to convert the included 2" mirror diagonal to a clicklock adapter? Thanks!

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Question by: Con Kolivas on Aug 30, 2020 6:36:00 AM | 1 Answer(s)

I want to use the M54 2" adapter (2956254) on my Skywatcher Dob. I have a Coma Corrector with a very long nose piece (85 mm). Is there any internal stop on this adapter that would prevent it from seating all the way in? I want the nose piece of the CC to completely pass thru this adapter. Thanks

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Question by: Steven C. on Mar 2, 2018 1:58:00 PM | 1 Answer(s)

Wich one is suitable for SW Evostar72ED? Someone says m56x1, someone M54ax1. Thanks

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Question by: Mario on Jun 3, 2019 4:07:00 PM | 1 Answer(s)

I have an Explore Scientific ed80 and an Explore Scientific AR127, my problem is that the three screws that hold the diagonal in place, although appears tight, the diagonal still slips. I am hoping a Badder clicklock adapter will cure this but which one and how would I attach it to either scope?

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Question by: Melvin Atkins on Jun 14, 2019 12:36:00 PM | 1 Answer(s)

Hi,
I just bought an Explore Scientific 127ED APO FCD-1 2'' R&P focuser (https://www.bresser.de/fr/Astronomie/Telescopes/EXPLORE-SCIENTIFIC-ED-APO-127mm-f-7-5-FCD-1-Alu-2-R-P-Focuser.html)

What kind of Baader 2" ClickLock eyepiece clamps version should i take ?

Thanks

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Question by: Eric MARIE on Nov 9, 2019 1:17:00 PM | 1 Answer(s)

Hi,

I own a Celestron EdgeHD 9.25 SCT with CPC mount. It comes with 2" back and 2 inch diagonal. Can I replace the back with the #2956233 SCL (3,3")-ClickLock and then interface the Baader 2" ClickLock Diagonal Mirror# 2956100 ? I don't see this combination described in your documentation. If I missed it, apologies.

This would allow me to easily rotate the diagonal if needed and would appear to keep focal length very close to original. There is no problem with zenith rotation of OTA.

Any comments on doing this are appreciated.

Thanks!
Fran Doherty

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Question by: Francis Doherty on Aug 3, 2018 4:42:00 PM | 1 Answer(s)

When will the M68i x 0,75-ClickLock adapter be available?
Thanks in advance, Bart.

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Question by: Bart on Oct 20, 2018 12:43:00 PM | 1 Answer(s)

For telescope
https://explorescientificusa.com/collections/ed-apo-fcd100-triplet-series/products/127mm-fcd100-apochromatic-refractor
which has 2.5" HEX Focuser, which 2" Clicklock Eyepiece Clamp would be appropriate?
Also which diagonal would you recommend for use to terminate with a clicklock eyepiece also. Would you suggest attaching the diagonal directly without a compression or clicklock fitting?
thanks

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Question by: Alan M Galitz, M. D. on Feb 24, 2018 9:22:00 PM | 1 Answer(s)

I have omegon triplet 102/F7 refractor. I'm not sure the end of focuser tube is S57 diameter or different. I want to change current clamp to baader clamp. thank you.

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Question by: Jozef Rexa on Oct 1, 2018 7:54:00 PM | 1 Answer(s)

I would like to buy a Clicklock for my Skywatcher Startravel 120 - can you confirm you have a model that fits this focuser? Danke.

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Question by: Richard Darn on Sep 20, 2018 3:13:00 PM | 1 Answer(s)

Recently purchased a Celestron 8" EdgeHD SCT. Not happy with the standard visual back setup. I'd like to replace it with the Baader ClickLock system. The EdgeHD visual backs are longer than the standard visual backs. Mounted on the base (3.3"?) ring is a tapered, faceted cone, providing additional length. Apparently this is to take advantage of the EdgeHD’s optimum image size which is farther back than the same position for a standard SCT. Three questions:
1. Do I leave the base ring on the SCT (it's mounted quite tight, I haven't been able to remove it with normal force), and just use the 2" threading? Or do I remove the base ring (with extra force?) and use the 2" Baader ClickLock with 3.3" clamp?
2. Do I need to compensate for the extra length of the standard setup cone? And if yes, how is this accomplised?
3. If I want to use the Celestron .7x Focal Reducer for the 800 EdgeHD, I'm assuming this goes between the SCT and the Baader ClickLock?
Appreciate your feedback. Thanks in advance!

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Question by: Peter Boender on Apr 2, 2019 11:52:00 AM | 1 Answer(s)

The drawing in the application images does not yet include the M54 version. How much is the increase in the optical path length for this M54 ClickLock clamp?

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Question by: Jack on Jan 29, 2017 5:39:00 PM | 1 Answer(s)

Do I use a M56 or M57 Clickloc for a skywatcher 72mm Evostar refractor. Thanks Chris

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Question by: Chris Johnson on Aug 22, 2018 2:56:00 PM | 1 Answer(s)

Have a Takahashi TSA 120 with a Starlight Instruments FTF3035B-A
Feather Touch Focuser. Think the tread into the focuser is M75X 1 Female Tread. Do you have a 2" ClicLock-clamp for that?
Regards Juha

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Question by: Juha Harju on Dec 11, 2016 2:22:00 PM

Will this item (SC) fit the thread of a Meade LX90 ACF 12" telescope please? I believe the thread is slightly different from the Celestron thread.

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Question by: Peter Relf on Oct 14, 2016 11:03:00 AM | 1 Answer(s)

I just purchased your Baader Clicklock SCL #2956233 for my Celestron C11. It screws on smoothly and tightens up very well to the C11 rear cell. Too well. It is very hard to remove once you snug it up. Is there a washer recommended to go between the Clicklock and the rear cell to make it easier to remove? Sometimes I need to reinstall the original visual back so I have SCT threads for my flip mirror.

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Question by: Andrew on Feb 6, 2018 2:43:00 AM | 1 Answer(s)

I would like to know the lenght of the optical path of the baader click lock for SC (6,8,91/4) - excluding the female thread SC (total lenght - female thread lenght SC)

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Question by: Armando on Feb 28, 2017 3:46:00 PM | 1 Answer(s)

I have a Celestron 8se and an Altair Starwave 70ED Triplet Travel Refractor, I also have a Nikon DSLR as well as 1.25 & 2inch eyepieces...

I would like to try and figure out which clicklock item I can use with whatever combination I wish to try, but I am finding all this a bit confusing as I don't understand all the various threads etc..

Can you help me please? (I may need some diagrams to help understand)

Many thanks,
Kevin

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Question by: Kevin Hodgson on Jul 8, 2017 9:26:00 PM | 1 Answer(s)

Description

Details

The Baader ClickLock®-System (1¼" / 2") in an overview

Never before has an eyepiece clamp for amateur astronomy been so elaborately crafted.

Das Baader ClickLock System - 1.25 und 2 Zoll

Heaviest tested load: complete C14 with SCL 2" ClickLock clamp and a 2" ClickLock mirror diagonal with Scopos 30mm Extreme eyepiece. Attention: not recommended for imitation!

The Baader ClickLock (1¼" / 2") is a precisely fitting, very massive eyepiece clamp without clamping screws (!). Inserted eyepieces, CCD cameras and similar accessories are securely held in place, locked against rotation and won't be scratched in any way! With a small turn of 20°, each eyepiece is firmly clamped. You will never have to handle small locking screws again – instead, just rotate the top of the eyepiece clamp for a few degrees, and the eyepiece will be firmly fixed. This is also no problem with gloves on!

Our various ClickLock clamps are made of seven precision-machined components which provide a highly effective retention mechanism that securely holds any 1¼" or 2" eyepiece. The clamp is very expensive to assemble, the price therefore initially may appear high for "nothing more than" a clamping device. But if you think about the comfort, precision and stability, it's well worth the money.

You do not have to tighten the ClickLock clamps with brutal force, because the mechanical principle comes from professional mechanical engineering. This is how the tool holder in modern CNC milling centers works. Clever use of leverage multiplies the torque. The inserted object is held on three sides similar to a quick-action chuck and can therefore no longer carry out any tilting movements.

Detailed information about the 2" ClickLock system

Example of switching a standard 2" clamp to 2" ClickLock

We have tested the effectivity and stability of the ClickLock mechanism for many years with the 1¼" ClickLock clamp.
The 2" ClickLock system is designed to be much more mechanically solid.

Even a 20° turn with light pressure of the rotary lever is enough to hold all 2" accessories absolutely securely and firmly.
Ratchet function – indicates the position of the clamp acoustically and haptically. So you can know if the clamp is open or closed in the dark and without looking.
Massive tension ring – keeps even the most expensive accessories absolutely safe, without causing scratches and bruises
The position of the rotary lever is adjustable for left-hand / right-hand use either by six camera slotted screws or by six Allen screws with a hexagonal wrench (depending on the model)
The heaviest tested load to date is a complete C14 with an SCL-clamp and a 2" Click Lock star diagonal with a Scopos 30mm extreme eyepiece. The C14 has been lifted on the eyepiece. We emphasize that this test setup is not is recommended for imitation.
The extensive range of ClickLock clamps makes it possible to retrofit the Baader 2" ClickLock clamp on many telescopes

With the 2" Clicklock clamp, you can also convert e.g. your 2" Maxbright mirror (or the 2" universal prism) to the Clicklock system, simply unscrew the old 2" clamp and screw on the new 2" Clicklock clamp.