- Sep 20, 2013
You can never have too many lenses. I have so many now I lost count a long time ago. The G9 is only available as bare lenses, but you can get the 6.3 mm ID lenses housings made of brass for these on eBay for 99 cents each. The G9s came attached to NDB7875 diodes where you can remove them and clean them up to go into a housing.