I have some of these that are NOS. I like them because they're pretty unique how they are electronic, but they have that metal shield in front of the eye like older electromagnetic photocontrols had.
Hmm yeah interesting design. Has that 90s Fisher Pierce look to it in my opinion. I like the electronic PCs with cadmium eyes. Not a huge fan of the silicon eyes (they're too sensitive IMO and turn-on/turn-off light level is too inconsistent day to day, even with filtered ones).