Which telescopes is the Baader 3.3" Celestron Nut compatible with?

This adapter is designed for Schmidt-Cassegrain telescopes that use the large 3.3-inch rear cell thread. This includes Celestron C11 and C14 models, as well as Meade 10-inch and 12-inch models.

What does the Baader 3.3" Celestron Nut allow me to connect to my telescope?

It provides a female thread that accepts Baader T-2 system components, such as the T-2 Quick Changer. This makes it the starting point for building a custom, fully-threaded accessory chain including items like off-axis guiders, filter wheels, and T-2 diagonals.

How does this Baader Nut improve my astrophotography setup compared to the stock visual back?

The primary benefit is rigidity. A standard visual back uses set screws, which can allow a heavy camera and filter wheel to tilt or sag, causing image defects. The Baader Nut creates a solid, threaded connection that eliminates this flexure, ensuring your camera sensor remains perfectly orthogonal to the light path.

I have a Celestron C11 and want to use a Baader T-2 Quick Changer. Is this the part I need?

Yes, this is the correct foundational part. The Baader 3.3" Celestron Nut threads onto your C11's rear cell, and the Baader T-2 Quick Changer (or other T-2 accessory) then threads into this nut, creating a secure and versatile connection.

Will this Baader 3.3" Nut work on my Celestron C8 or C9.25?

No. Celestron C8 and C9.25 telescopes use the smaller, standard 2-inch SCT thread on their rear cells. This nut is specifically for the larger 3.3-inch thread found only on the C11, C14, and larger Meade SCTs.

I'm imaging faint galaxies like the Deer Lick Group (NGC 7331) with my Meade 12" SCT and a heavy camera. Will this Baader nut help reduce star elongation?

Absolutely. Imaging faint targets requires long exposures where any mechanical flexure becomes apparent as trailed or misshapen stars, especially at the corners of the frame. By providing a rigid, non-flexing threaded connection for your heavy imaging train, this Baader nut is a critical upgrade for minimizing tilt-induced star elongation.

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Baader Écrou Celestron - Filetage SCT 3,3"

Baader Écrou Celestron - Filetage SCT 3,3"

par Baader Planetarium

UGC BAA-2408145

$126.00 - $126.00

$126.00

$126.00 - $126.00

$126.00

Égalisation de prix!

En rupture temporaire

Alerte de retour en stock

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Votre train d’imagerie vignette-t-il ?

Vérifiez quelles tailles de filtres et d'adaptateurs dégagent le capteur avec Baader Écrou Celestron - Filetage SCT 3,3", et la lumière perdue dans les coins.

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Filetage 3,3" pour C11 et C14
Pour connecter la pince d'oculaire 2" n° 2408140 (composant T-2 n° 17) aux télescopes C11 et C14
Une ouverture claire de 50 mm
Pas de vignettage lorsqu'il est utilisé sur les télescopes C11 et C14

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Baader Écrou Celestron - Filetage SCT 3,3"

Votre train d’imagerie vignette-t-il ?

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