Cloud Break Optics

Adapter to use Astro-Physics 2.7" Focuser - 2.7" overall length (A1025-B)

Adapter to use Astro-Physics 2.7" Focuser - 2.7" overall length (A1025-B) - Main image
$74.12 $109 In stock

Category: Focusing

Description

This adapter was designed for owners of our 155EDFS StarFire refractor who are looking more focuser in-travel. Most of the 155EDFS were originally shipped with a longer adapter.

This adapter has a net spacing distanceof 2.0".

Additionally, this adapter can used to replace a 4" focuser in a 155EDF or similar Astro-Physics EDF refractor, for those who wish to step down to an A-P 2.7" focuser with an external thread. The collar end bolts into the tube via the six 8-32 tapped holes. Our 2.7" standard and FeatherTouch focusers simply thread into the internal female threads on the eyepiece end of the adapter. Please note this adapter cannot be used for the 130EDF Gran Turismo or 105mm Traveler focusers.

For the amateur telescope builder, this adapter also facilitates adding an Astro-Physics 2.7" focuser to a homemade instrument. Outer diameter of the attachment ring is 5.395".

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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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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)

Robert K. ★★★★★

Swapped out the stock adapter on my 155EDFS and this shorter version gave me just enough room to reach focus with my binoviewer. Machining is clean and threads smooth.

Amelia I. ★★★★★

Finally got the extra in-travel I needed for my binoviewer setup—the 2.7" overall length makes all the difference. Installed it in minutes and it locks up solid with zero play.

Ryan ★★★★★

This adapter solved my focuser travel issue on the 155EDFS perfectly — the shorter 2.7" length gave me exactly the extra inward movement I needed. The threads matched up smoothly, and now I can reach focus with all my eyepieces.