manufacturers
Manufacturer: -TS Zubehör
Product number: M4Rändel
EUR23.90new
EUR 23,90
incl. 19 % VAT (DE)
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excl. 6.95 € shipping costs (DE)
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rating: 5.0 of 5TS-Optics M4 Knurled Screws for Secondary Mirror Adjustment, Length 45 mm1
- Details..
- Technical data..
- In the box..
TS-Optics Knurled Screws for Secondary Mirror Collimation
Adjust the secondary mirror without tools, precisely and without risk of a wrench or screwdriver falling on the primary mirror, for example.Compared to the normal small collimation screws, the TS knurled screws have some advantages, such as the flat milled surface. If there is a burr on the screw, it carves into the aluminium secondary mirror holder. The accuracy of the collimation decreases. In addition, the secondary mirror can twist during collimation. A precise adjustment becomes impossible.
The screws fit all Newtonian telescopes from GSO, TS-Optics or Skywatcher and all telescopes where the secondary mirror adjustment is done with M4 screws.
| Thread: | M4 thread with 45 mm length |
| Thread material: | Steel |
| Knurled head: | Diameter 12 mm, made of plastic |
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Reviews
Written by Herbert Nägele
on 2023-05-02
Schrauben sind gut, aber die Länge beachten. Bei meinem Newton standen die Schrauben vor und es passte der Deckel nicht mehr drauf...
Written by Karsten Plewnia
on 2022-03-08
"Schneller Service, prima!"
Written by Sven Hendricks
on 2020-06-17
"Ja es sind wirklich Rändelschrauben... ;-)"
Written by Andrew Johnson
on 2020-05-26
"Very simple and effective upgrade, I may get more for my other scopes"
Written by Christoph Dombrowski
on 2019-12-17
"Die Rändelschrauben erleichtern das Einstellen des Fangspiegels wesentlich! Sollte Standard bei allen Newton-Teleskopen werden!"
Written by Ton Timmermans
on 2018-07-05
"sehr gut"
Written by Kornel Varga
on 2018-06-05
"Alles war perfekt."
Written by Jacques Vandeperre
on 2018-06-03
"Viel einfacher um ab zu regelen . Kein gefummel mehr."
Written by Steen Hansen
on 2018-02-20
"Die Fangspiegel wird mit den Fingern auf den Rändelschrauben eingestellt und das ist viel leichter als mit einem Werkzeug. Sehr empfehlenswert."
