What is the primary purpose of the PrimaLuceLab M56 to SC adapter for the ESATTO 2"?

Its primary purpose is to convert the M56 female thread on the drawtube of the ESATTO 2" focuser into a standard female Schmidt-Cassegrain (SC) thread. This allows you to securely attach accessories like focal reducers, off-axis guiders, and other components that use the SC thread standard.

How does the stop ring on this ESATTO 2" adapter improve my astrophotography?

The stop ring provides rotational freedom for your entire imaging train. After attaching your camera and accessories, you can loosen the ring, rotate the camera to the ideal angle for framing your target, and then tighten the ring to lock it in that position. This is crucial for achieving optimal composition without having to disassemble your setup.

Can I use this PrimaLuceLab adapter to connect a Celestron f/6.3 reducer to my ESATTO 2" focuser?

Yes, absolutely. The Celestron f/6.3 Reducer/Corrector uses a standard male SC thread for attachment to a telescope. This adapter creates the necessary female SC port on your ESATTO 2" focuser, allowing you to thread the reducer in directly and securely.

If I want to frame the Horsehead Nebula (Barnard 33) vertically with my camera, will this adapter help?

Yes, this is exactly what the stop ring is designed for. You can attach your camera, achieve focus on a nearby star like Alnitak, and then use the stop ring to rotate your camera so that the distinctive shape of the Horsehead Nebula and Flame Nebula (NGC 2024) fits perfectly along the long axis of your sensor.

Does this M56 to SC adapter add significant length to my imaging train?

The adapter and stop ring are designed to be very low-profile. While any adapter adds some optical path length, this component is engineered to add a minimal amount, helping you preserve precious back focus in your imaging setup.

Is this adapter required to use a 2" diagonal for visual observing with the ESATTO 2"?

No, this adapter is specifically for SC-threaded accessories. For visual observing with a standard 2" diagonal or eyepiece, you would need the dedicated "2" Visual Back for ESATTO 2"" (PL3600003), which provides a standard 2" eyepiece holder with compression rings.

Adaptateur PrimaLuceLab de M56 à SC avec bague d'arrêt pour ESATTO 2"

par PrimaLuceLab

UGC PLL-PL3600225

$125.00 - $125.00

$125.00

$125.00 - $125.00

$125.00

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L'adaptateur de filetage SC pour ESATTO 2" vous permet de connecter n'importe quel accessoire avec filetage femelle SC, comme les réducteurs de focale SC à ESATTO. Il suffit de visser cet adaptateur sur le filetage M56 du tube de tirage du porte-oculaire ESATTO 2". Grâce à la bague d'arrêt SC pour ESATTO 2", vous pouvez également fixer la caméra à un angle précis afin de mieux cadrer le capteur de votre caméra sur l'objet souhaité.

La longueur optique de l'adaptateur de M56 à SC avec bague d'arrêt pour ESATTO 2" est de 4 mm (adaptateur 1,5 mm + bague d'arrêt 2,5 mm).

SC thread adapter for ESATTO 2

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Adaptateur PrimaLuceLab de M56 à SC avec bague d'arrêt pour ESATTO 2"

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