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Alstar Universal Quick Release Finder Shoe Base for Schmidt Cassegrains and Other Telescope 130-400mm Diameter - for MQR III&IV/Witty One and V-Bracket - Black

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$24.99

$ 11 .99 $11.99

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About this item

  • Aluminium Alloy Material: Made of high strength Aluminum with Anodizing Aluminium Process; Precision machined solid aluminum finder shoe base in matte black; for almost all viewfinder holders; for the Witty 1 Tangent attachment
  • Easy To Install: Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place; even while wearing gloves; Just put it on the optical tube and tighten the screws
  • Multi Function: There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle; Two screws are on the on side of base; The spacing between the two screws is 24 to 41 mm
  • Well Engineered In Shape: The base forms two linear constraints on each tube radius of 130 to 400 mm in diameter; which gives maximum stability; The base also carries small guidance/CCD guider without any problem
  • Practical Funcationality: Synta style dovetail base; Fit most bracket designs from Cele stron; Or ion; Sky watcher; Vi xen; etc; Compliable with finder scope; Laser Pointer bracket on telescopes



Product Description

Freedom to Choose

Function Point 1

Made of anodized aluminium

Function Point 1

Made of anodized aluminium

Function Point 1

Made of anodized aluminium

Function Point 2

Use any combination of one aiming device

Function Point 2

Use any combination of two aiming devices

Function Point 2

Use any combination of three aiming devices

Quick Release Finder Shoe Base
Quick Release Finder Shoe Base
Quick Release Finder Shoe Base

Easy to Install

Two large knurled thumbscrews makes it easy to install: Bases feature two large thumbscrew locks to secure your finder scope or reflex sight in place, even while wearing gloves. Just put it on the optical tube and tighten the screws.

Quick Release Finder Shoe Base

Aluminium Alloy Material

Precision machined finder shoe base in matte black, made of high strength aluminum with anodizing aluminium process, resistant for long time use. The aluminum material makes the product lighter and easier to carry.

Quick Release Finder Shoe Base

Well-Engineered in Shape

The base forms two linear constraints on each tube radius of 130-400 mm in diameter, which gives maximum stability. The base also carries small guidance/CCD guider without any problem.

Quick Release Finder Shoe Base

Multi-Function

There are two elongated holes on this base and a single countersunk hole for screws up to M5 in the middle. Two screws are on the side of base. The distance between the center points of the screw holes is 24 to 41 mm.

Product Specifications

Package Includes: 1 x black finder scope base with knurled set screw grip
Diameter of Countersunk Hole: 6mm
Elongated Holes Spacing: 24 to 41 mm
Can Be Fixed: M3-M5 Screw

Noncenx
2025-09-04 14:52:40
I really like the way this fits the curvature of the Celestron SCT. This insures solid contact as well as a good fit. I've tried a couple of the straighterones and didn't like the slight gap it would have. This is also heavier than I expected. Overall I solid product and I would recommend.
Richard Bennett
2025-09-01 13:21:06
I wanted to mount my camera to my telescope (not looking through it, just on top of it) and this is the ideal piece to do it! Curved bottom fits any telescope 5" and above (there may be a small gap in the center on larger telescopes). It has two set screws instead of one (which other mounts have) for a more secure hold. Fits Celestron telescopes perfectly (they already have mounting screws)!
MIAH
2025-08-30 18:21:15
I have mounter two of these in Edge HD 9.25, one for asiair and one for finderscope. It's very sturdy and fits nicely.
Danny C.
2025-07-24 17:45:31
It works great. It holds my red dot finder scope solid.
Kevin Krumwiede
2025-06-30 16:45:37
Seems nicely made and finished, and fits my Intes MK67 without modification. Note that this is narrower than Orion finder shoes and will not accommodate those accessories. This fits things like cheap laser pointer brackets.
BSBachert
2025-06-02 11:15:40
Nice way to attach a guide scope to your SCT. Well made, with two tension screws. I did have to use a longer set of screws to attach it where the finger scope was attached. Using the screws holding on the finder barely caught the threads and I didn’t want to chance damaging the threads or cross threading them.
J. Taylor
2025-05-21 19:48:12
Perfect fit on the Celestron 8SE - replacing the existing red dot with a much better red dot to support planetary imaging.
TheOne
2025-04-15 20:21:39
Worked perfectly for a Meade 102ED APO refractor.
JG
2025-02-02 14:24:10
Se acopla perfectamente en un OTA de 127 mm
Leonardo Ruiz
2025-01-25 12:20:59
Lo instale en 30 segundos, los tornillos coincidían perfectamente y la curvatura de la pieza se acoplaba perfectamente al cuerpo del C8 Edge. Muy robusto. Durará toda la vida. Muy recomendable.