Cobra 21x15 Mini X-Ray Photo Etching 3MOA Red Dot Bettery Accuracy and Brightness Retention.

#redwinoptics#cobramini#reddot#X-rayphotoetching#SuperLED
The X-ray photo etching tech had been more and more used both in our daily life and the high-accuracy electronic products. When we use this tech on etching the reticle on the super LED bulb and changed the old structure of diaphragm with the super LED direct illumination system, it makes Cobra 21x15 Mini 3MOA Red Dot with a Bettery Accuracy and Brightness Retention.
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