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Hotech 2" SCA T-Adapter

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HT-SCA-TA2
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  • Regular price $55.00

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Hotech 2" SCA T-Adapter

Hotech 2" SCA T-Adapter w/ Self Centering Adapter

Announcing the Hotech Self-Centering Camera T-Adapter for Astrophotographers. The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable connection between your telescope and the camera. The Hotech SCA T-Adapter fits any make telescope that uses 2-inch focuser or visual back. Use your existing T-Ring matches your brand of camera and thread onto the SCA T-Adapter.

To capture great images from your telescope, it is essential to position your camera firmly in and on the optical axis of your drawtube/visual back. The Hotech SCA T-Adapter center loads your camera in the drawtube/visual back with a simple threading of a compression ring forcing the built-in rubber rings outward radially, thereby centering the camera in the drawtube/visual back for optimal installation.

All drawtube/visual back have manufacturing tolerances. And it requires larger diameter to accept various eyepieces and adapters. When the camera adapter is inserted, the gap between the drawtube/visual back and the inserting device became a slop problem. The rubber rings in the SCA expand radially according to users own adjustment to fill the gaps. This makes your camera seats firmly in your drawtube/visual back becoming part of your telescope for a secure and repeatable installation.

The optical axis is shifted when the inserting device is locked in by thumbscrew. In some cases, some poorly made unified compression ring can cause unstable tilt when locking in the drawtube due to loose tolerances between the compression ring, inner groove, and the uneven tip of the locking thumbscrew in a drawtube. The Hotech SCA T-Adapter adapts your camera without using the thumbscrew or the unified compression ring.

Small imperfection inside the drawtube like dents and scratches, the rubber rings fill the gaps and faithfully centers your camera in the tube. In addition, even if the drawtube is slightly deformed in diameter, egg-shape, the rubber rings in the SCA will compensate the differences and faithfully centers your camera.

Hotech Product Number: SCA-TA2

SPECIFICATIONS

Adapter TypeT_Adapters
ManufacturerHOTECH
Warranty1 Year Warranty

Customer Reviews

5 Based on 1 reviews
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AL
05/16/2018
Aaron L.
United States

Excellent adapter for starting threaded imaging train and eliminating sag!

Before I had this adapter, there was sag in my imaging train caused by a different T2 adapter that was thumb ******* into my field flattener. By gorilla tightening this SCA adapter into my flattener, I was able to solve the problem with sag. Now stars are round to the edges of my images! I'm very happy with this adapter and would recommend it to others who need a way to start a T2 threaded connection starting from a 2" accessory.