The Starbeam non-magnifying red dot finder for TeleVue scopes seems to project a 10 arc minute diameter ball of red light wherever your telescope is pointing at night, making it easy to quickly center the scope on planets and deep space objects. The Starbeam is normally used as a straight-through finder, similar to the heads-up display in a military aircraft cockpit. However, the Starbeam has a pivoting light-weight first surface flip mirror that also allows the Starbeam to be used as a straight-through finder, a right angle finder for observing at the zenith, and at any angle in between. This standard flip mirror (also available as an inexpensive retrofit for older Starbeams) makes the Starbeam a truly universal finder.
A removable black metal base channel on the Starbeam fits into a dovetail slot machined into the mounting ring of all current TeleVue TV-85, TV-101, TV-102, and Renaissance-101 scopes. Screws thread through the base channel and into the telescope mounting ring to hold the base channel in place. The black and metal finder itself then slips onto the base and is held in place by one large knurled knob. Azimuth and altitude adjustment knobs allow you to line up the Starbeam with your main scope optics.
An on/off switch and integral rotary brightness control allow you to match the finder brightness to your eye’s dark adaptation. In addition, a rotary control in the side of the illuminator lets you gradually vary the blink rate of the illuminator from constantly on, to a rapid blinking, down to a slow half second on/half second off pulsing rate for more comfortable viewing. Uses a Duracell XL DL 1/3N lithium or equivalent battery (supplied, but not guaranteed by TeleVue to be at full strength).
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