HOTECH SCA 1.25" &  2" T-ADAPTER  ASTROPHOTOGRAPHY

SCA T-Adapter for Astrophotography
 Innovations in simple and precision form for maximum accuracy
 
HOTECH SCA T-Adapter Patented
"Great idea and great solution to a vexing problem. Well done Hotech!"
                                                  Craig Stark, Ph. D. Associate Professor and Founder of Stark Labs & PHD Guiding
 
Announcing the 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 SCA T-Adapter fits any make telescope that uses 2 or 1.25 focuser or visual back.  Use your existing T-Ring matches your brand of camera and thread onto the SCA T-Adapter.
 
SCA Brings your Camera to the Closest Optical Axis in the Drawtube/Visual back for BEST Imaging Result

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 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.

 

SCA Eliminates Drawtube/Visual Back Slop

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.

 

SCA Eliminates unstable locking from thumbscrew or unified compression ring

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 SCA T-Adapter adapts your camera without using the thumbscrew or the unified compression ring.

 

SCA Accepts the Imperfection of a Drawtube/Visual Back

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.

 

Short SCA Profile Prevents Oscillation

 

Short profile design keeps the installed camera stable from low frequency oscillation transferred from the telescope in a windy environment.  The back focus of a 2" SCA T-Adapter is 19mm(0.75") and 1.25" SCA T-Adapter is 18mm (0.71") measured from drawtube shoulder to the bottom T-Thread.

SCA Damps Vibration
The all-around adjustable tightness rubber contact damps unwanted vibrations from the telescope provides you a sturdy attachment on your telescope for a stable image capture.

 

SCA Accepts Filter Thread

2 T-Adapter has built-in 2 (48mm) filter thread, and 1.25 T-Adapter has built-in 1.25 filter thread.

 

SCA T-Adapter is a dream come true for astrophotographers!
 
 
 
Check out and download the SCA T-Adapter User's Manual

Related Links:
-
Stark Labs: Astrophotography Software - PHD Guiding by Dr. Craig Stark.



Availability: Usually ships the next business day

2TADAPTER$55.00

Click to enlargeHOTECH SCA 1.25" T-ADAPTER ASTROPHOTOGRAPHY

The back focus of a 2" SCA T-Adapter is 19mm(0.75") and 1.25" SCA T-Adapter is 18mm (0.71") measured from draw-tube shoulder to the bottom T-Thread.

1.25" T-ADAPTER


Availability: Usually ships the next business day

125TADAPTER$45.00





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