I guess it's all about time. And saving it. If you are tired of iterating and reiterating to focus your autoguider, read on!
After we introduced the STI-201 autoguider focuser for the Meade
201XT, requests started pouring in for a similar device for the
SBIG ST-4 . I had always thought the ST-4 was fairly easy to focus
compared to the 201XT and really didn't require a special focuser.
So much for assumptions...
Giving in to the numerous requests (literally from around the world, the result is the STI-4 AUTOGUIDER FOCUSER.
This handy device functions identically to our STI-201 unit, but has
been calibrated for the SBIG ST-4. You simply plop the STI-4 in the 1.25" focusing tube on your guidescope or OAG, focus until the ronchi
screen is clear, and then put in the ST-4 head. Reading all of the above blah-blah took you much longer than it will take to focus with
the STI-4. This new device is guaranteed to beat the pants off of any parfocal eyepiece approach you are taking now hands down!
The really good news? It's inexpensive ($59 Special Intro),
easy to use (pro-moronic), and comes with our 30-day Clear
Visit our website for more information today or write for details.
And don't forget that Series III 'Stiletto' focusers are available for all other models of SBIG cameras too, even the STV!