What is the Series IV and how does it work?
A. A modular system that can be switched between Ronchi-grating and knife-edge focusing, the Stiletto focuser temporarily attaches to a telescope in place of a camera body (either conventional film or CCD) and allows you to quickly achieve pinpoint focus using a star. Once the telescope is focused, you replace the Stiletto with your camera and aim at your target, whether it be stars and deep-sky objects, a planet, or the Moon. Click here to read all that Sky & Telescope magazine had to say. To achieve perfect focus, this quick and simple 4-step swap-in, swap-out procedure is followed: 1 2 3 4 Attach the Series IV Focus until bar-free Attach your camera Frame & Shoot After reading the rest of this FAQ, you might want to go through the Series IV Instruction Manual which has a lot of details and an exploded view of the Series IV.
