SKU: 92506278088

Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2")

Sale price$26352.00 Regular price$29280.00
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2")2" Nosepiece & ClickLock Eyepiece Clamp Dielectric Coated Mirror 99% Reflective Surface Mirror Thermally Stable Resists Heat UV IR Radiation Rejection Scratch Resistant Hard Coat Mirror Standard 2" Filter Threads Direct Connection to SCTs Engineered for performance and versatility, the Alpine Astronomical Baader ClickLock Mirror Star Diagonal builds on the success of their Maxbright diagonal with improvements across the entire platform. Its mirror is

  • 2" Nosepiece & ClickLock Eyepiece Clamp
  • Dielectric-Coated Mirror
  • 99% Reflective Surface Mirror
  • Thermally Stable - Resists Heat
  • UV/IR Radiation Rejection
  • Scratch-Resistant Hard-Coat Mirror
  • Standard 2" Filter Threads
  • Direct Connection to SCTs

Engineered for performance and versatility, the Alpine Astronomical Baader ClickLock Mirror Star Diagonal builds on the success of their Maxbright diagonal with improvements across the entire platform.

Its mirror is treated with their proprietary multi-layer dielectric coatings, which are thermally stable to resist the warping and distortion many mirrors suffer from as they heat up from the light and IR/UV radiation striking the surface. To make cleaning easier, especially in the field, the mirror is also treated with ultra-hard scratch-resistant coatings that protect the surface and further ensure clear and sharp views. When used in conjunction with front white-light or H-alpha solar filters, the thermal stability becomes an important benefit for observation and imaging.

The eyepiece holder also gets an upgrade to the proprietary 2" ClickLock holder. This unique eyepiece mounting system is superior to conventional mountings. Unlike compression ring and set screw holders, the ClickLock system uses three long roller bearings to hold the eyepiece firmly centered in place without marking or marring it, while eliminating the wobble and off-axis tilt. A simple 20° twist locks and unlocks the clamping system for fast eyepiece changes even while wearing gloves. There is no need to fumble with small set screws or for using excessive force and torque to hold the eyepiece in a fixed position.

The 2" nosepiece has a safety kerf (groove) cut into it to firmly lock it in place and to resist the tilt that is common if the focuser's clamping system isn't quite centered or misses the primary kerf. The nosepiece is threaded on both the front and rear to accept standard 2" eyepiece filters. Install a filter on the front to make changing it easier, or on the back (inside the housing close to the mirror) so as to not add any optical distance. The nosepiece can be removed to reveal standard Schmidt-Cassegrain telescope (SCT) visual back female threads that allow the diagonal to be directly screwed onto the scope's back for a solid and secure connection. S58 dovetail threads are also provided to make the diagonal compatible with the Diamond SteelTrack focuser. Direct connection is superior to using the nosepiece as it shortens the optical length being added to the system to preserve back focus while providing a stronger mount.

In the Box
Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2")
  • Limited 2-Year Warranty

  • All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 92506278088

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    Verified Purchase
    A Pollock
    New York, US
    ★★★★★ 5
    Worth every penny!
    Love this desk mat! Huge, sleek light-gray mat with built-in wireless charging. Fits my full keyboard, mouse, and phone perfectly. Super smooth for the mouse, stays put, and instantly made my desk look way cleaner. Great quality and worth every penny!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 8, 2025
    K
    Kyle Biggs
    Dallas, US
    ★★★★★ 5
    Still Usefil for a Samsung S24 Ultra User
    Color: Black
    The Charging Pad: The pad is super flat (nearly the same thickness as the pad) and looks nice next to it or a similar mouse and keyboard pad. It works perfectly for my Samsung S24 Ultra without a case on it, but having a 'magsafe' style case would improve the experience. You do have to take a second to get the alignment right. It uses USB-C instead of cheaping out with a micro, and the status light is helpful. I don't think I own anything that can charge in the headphone area, and in case you're wondering, neither spot will charge a Samsung smartwatch (as expected). I'd nearly recommend this just for the charging pad since it's so unobtrusive on the desk. Just remember you'll need to route that wire out of the top of it somewhere. The mouse pad: The size is probably perfect for a typical keyboard and mouse user. I always have a 3D mouse on the left, and an extra long Coursair keyboard, so I prefer having a gigantic mat for all of that. But there is one feature of this mouse pad that I like more than most. The material doesn't attract every spec of dirt and hair in the universe, and it's easy to wipe off. Because of this, I use the pad under my 3D mouse and keyboard, with a larger full-desk pad underneath (including the mouse area). The felt material on the back keeps this locked to my desk, and unlike a rubberized pad, isn't going to turn into glue after a few years. I did test my mouse on the pad, and it feels fairly good. It's not too smooth, and is a bit easier on your hand, but very serious gamers may take some time to adjust.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 12, 2026
    M
    Max
    Waukegan, US
    ★★★★★ 4
    Smaller and more expensive than artisian deskmats
    Color: Black
    These are slightly smaller than the standard artisan deskmats and double the price.. It's also about half the thickness, so there's not as much padding. This isn't a huge deal. if the felt is on the bottom, it doesn't grip to the desk very well. The wireless charger is okay, but I found it bulky. Having a small dedicated 3 in 1 charging stand was more convenient for me. If you have a heaver mechanical keyboard, you won't be able to lift this thing to see underneath it. Overall, this is an okay deskmat and it'll serve it's purpose when I'm washing my regular deskmat, but not my favorite.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 15, 2026
    T
    Verified Purchase
    Tom
    Phoenix, US
    ★★★★★ 5
    Well crafted and easy to assemble, decorative and useful piece.
    Color: Bronze
    This ring/jewelry holder is a little bigger than I expected it to be, and definitely is more suitable to a nightstand or dresser than on a bathroom vanity. That being said, the construction is very sturdy and it can easily hold a lot of jewelry. This is a great gift for a jewelry collector who already has a ton of jewelry and needs an innovative way to store and display it. There are a ton of branches on the tree, and each can easily fit 4-7 rings or necklaces.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on August 17, 2020
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    Verified Purchase
    Chelsea
    Phoenix, US
    ★★★★★ 5
    Great quality!
    Color: Silver, Color: Silver
    I absolutely love this jewelry holder! The quality was much better than I expected. Very sturdy and super cute. Easy to assemble as well. I would highly recommend buying. Good value 😊
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 15, 2024

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