Cloud Break Optics

M81 25mm Extension Tube for ESATTO 3" and ARCO 3"

M81 25mm Extension Tube for ESATTO 3" and ARCO 3" - Main image
$51.8 $70 In stock

Category: Focusing

Overview

The M81 25mm extension tube can be directly threaded to the ESATTO 3" draw tube and allows you to fix camera and accessories further away from the ESATTO microfocuser. This M81 extension tube has 25mm thickness, it's made up of aluminum, black anodized and it has a M81 female on the camera side this way you can connect all the ESATTO 3" camera adapters.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.4 / 5 · 5 reviews)

Abigail O. ★★★★★

I needed a bit more reach for my camera setup with the ARCO 3", and this 25mm tube threaded on perfectly without any wobble. The machining is precise and it feels solid once tightened down.

Samuel D. ★★★★★

Threading it onto my ESATTO 3" draw tube was perfectly smooth, and the extra reach is just right for my camera setup. That solid brass construction gives it a nice, reassuring weight in hand.

Nicholas I. ★★★★★

Threaded straight onto the ESATTO draw tube with zero play, which is exactly what I needed to get my camera further out for proper back focus. The M81 threading is clean and catches smoothly every time, no cross-threading worries. Solid 25mm of extension that did the trick on the first go.

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