120 x 87
Taken at : Camera : Original size: x File size : 2078 bytes
85 x 62|
60 x 44|
42 x 31|
Must be painted black from both sides. Removes heat that is created when Sun is near the axis and is focused on the electronics. Prevent overheating of the electronics in such a condition.
Thermal shield also serves as spatial light filter. Prevents stray sunlight from entering the receiver PIN diode.
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