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Home > Classifieds > Astromart Classifieds > CCD Cameras ASTRO > Classified #113576

For Sale: LAST CALL !! - Free Knife-Edge Accessory for Series III 'Stiletto' Focusers -HURRY!!

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Our Spring Break Special ends tomorrow at midnight! We are including our True Knife-edge Accessory FREE with each order of a Series III 'Stiletto' focuser. You can save $15 and get a perfect picture at the same time!

STI has astrofocusers for every major brand of 35mm (Nikon, OM, etc.)and CCD cameras (SBIG, Starlight, Meade). Yours too!

A lot of astrophotographers are unaware that the Series III
'Stiletto' can actually be used as a true knife-edge focuser. While our standard ronchi gratings are far easier to use to focus your camera, the True Knife-Edge Accessory converts the Series III 'Stiletto' to a premier knife-edge focuser in seconds. Our True Knife-Edge is interchangeable with the high resolution ronchi gratingss we use, and requires no recalibration at all.

To learn more about the Series III and knife-edge focusing, just visit
our website and take a look at our special tutorial on how it all

Clear Skies!

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