Tele Vue 10 Micron (0.0004") Indicator Kit for 2" Focusers
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Digital Indicator permits indexing exact focus position for CCD photography. Kit fits all Tele Vue telescopes with 2" focusers that have pre-drilled holes in the focuser body and draw tube. Digital indicator reads with 10 micron accuracy, has 0.5" motion range and accepts RS-232 output cable for displaying readout on computer.