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The Starbeam for SCT from Tele Vue is a unique and comfortable finder scope. The Starbeam offers two modes of use. Flip the mirror down for a straight line-of-sight view. When the telescope is pointed high, flip the mirror up for a more pleasant viewing angle. Straight through, you see the natural sky with a 10 arc-minute (1/3 Moon diameter). Using the mirror flipped up, the sky orientation is similar to a refractor's or SCT's image. Either mode utilizes a superimposed "red-star" pointing dot showing your celestial target. A rear knob adjusts the brightness of the "red-star" dot. A side knob varies the "red-star" dot from a steady beam to various blink rates.
The first lens surface acts as a collimating mirror so the "red-star" stays stationary against the sky. The Starbeam has a 39mm aperture. The projected image can be seen at any distance, whether 2 inches or 2 feet away. The accuracy allows you to pin-point objects even with high-power eyepieces. The second lens is multicoated to eliminate double images. The Starbeam is completely custom machined from aluminum and then black anodized down to the "push-pull" thumb screws. No tools are required to align the Starbeam. Mounting hardware and a CR1-3N battery are included.
This Starbeam for SCT model has a dovetail bar and mounting bracket that fits the rear cell of any 8" or larger Schmidt-Cassegrain Telescope.
Fits the rear cell of any 8" or larger Schmidt-Cassegrain Telescope
Viewing from straight through to 90°
Accuracy of 10-arc-minutes at any eye position allows pinpoint object locating with high-powered eyepieces
Custom machined, black anodized aluminum
No tools required for alignment with your telescope