| Brand | Astromania |
| Objective Lens Diameter | 20 Millimeters |
| Telescope Mount Description | Altazimuth Mount |
| Focus Type | Manual Focus |
| Finderscope | Reflex |
| Item Weight | 1.6 Ounces |
| Compatible Devices | finder scopes, laser pointer brackets, reflex sight brackets |
| Focal Length Description | 20 millimeters |
| Manufacturer | Astromania |
Astromania Dovetail Mounting Base with 4 Holes for M4 Screws
£11.95
About this item
- Fits any diameter telescope tube except Schmidt-Cassegrain telescope optical tubes; the base is made of die-cast metal and features a large thumbscrew lock; Includes two M4 screws
- Compliable with finder scope; laser Pointer bracket or reflex sight bracket on telescopes; great for adding a second or third aiming device to your telescope
- Drilled “but not threaded” to accommodate screws up to 4mm in diameter; center-to-center screw hole spacing on your telescope must be 20mm “0.79inch” in order for this dovetail base to be compatible
- Made of high strength Aluminum with Anodizing Aluminium Process; not intended for use on Schmidt-Cassegrain telescope optical tubes
- Ideal for custom installation of any finder scope; EZ Finder reflex sight; and Green Laser Pointer bracket on any telescope
Frequently Bought Together
7 reviews for Astromania Dovetail Mounting Base with 4 Holes for M4 Screws
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– Loyce Gottlieb DDS
You have to remove the screws from the finder. And you can install their small screws including with it. It will fit as best.
– Rebecca Berge II
Works perfectly for my spotting scope.
– Dr. Telly Hills I
This piece is well-made, and it worked perfectly on my 8″ Newtonian for use in mounting a finder scope. Thank you!
– Anahi Jaskolski
Ordered this to mount the SvBONY SV182 right angle finder scope on my Celestron Nextstar Evolution 8. This was advertised to “Fits factory drilled holes on Celestron…”. Needless to say that the mounting hole spacing was about 1 mm off the spacing on the SCT. Forcing would have stripped the threads on the SCT and possibly snapped the screw. About 15 minutes of work with the Dremel on both slots gave me the clearance needed. After that all was hunky-dory. 3 stars because I had to modify to fit.Update: Received feedback from Astromania where they identify their B07JGZV9YQ or B07HHWGKS8 as having hole spacing that should fit the larger SCTs and not require any type of modification. Worth the slight extra expense to avoid any issues. Kicking up the rating to 4 for the customer service.
– Dr. Filomena Kessler
Used to mount a 60mm guide scope to my Celestron 8SE SCT. Screw holes aren’t quite right but I could get them tight enough to not have any problems. Holds steady and has been working out great.
– Soledad Zieme III
The base is nicely made. I have no idea where. It has no Made in stamp on product or packaging. It comes with two 10-32 mounting screws and nuts. The nuts are black to be non-reflective on the inside of the tube. The screws may be a bit short for some tubes. I mounted this on a 1/4″ wall PVC. Because the screws would be too short to get to the inside of the tube to use the blackened nuts, I tapped the two holes. IfI was going to mount anything weighing more than a few ounces, this would be a bad idea. If you need to mount on a 1/4″ thick or more tube, plan on buying some longer 10-32 screws.
– Ms. Elise Abshire I
Fit was perfect and allowed me to expand my capability