Photo detail

Camera Maker Nikon Corporation Camera Model NIKON D90
Aperture f/3.8 Exposure Value 0 EV
Exposure Program Unknown: 0 Exposure Time 1/60 sec
Flash Flash, Auto-Mode, Return light detected Focal Length 24 mm
ISO 800 Metering Mode Pattern
Date/Time 2016:06:26 23:08:23 Resolution Unit Inch
X Resolution 240 dots per ResolutionUnit Y Resolution 240 dots per ResolutionUnit
Compression Jpeg Compression Contrast 0
Exposure Mode 0 Saturation 0
Scene Type Directly Photographed Sharpness 0
Subject Distance 0.5 Caption NexStar mount disassembled down to the base to gain access to the motor and drive spur gear. Note too the motor control board with the interface board on top. The design is very simple.