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They are small and not a focused light. The leds throw more light and its sharp. Regular Halogens seem to do more reflection and a softer focus. Its a reflector housing and the length of the bulb as changes the pattern.
As I have pulled my fogs last night I'm 99% sure OE are from Automotive Lighting. It's stated on the stickers but there is always a small chance mine have been replaced in the past.
Edit made photos of my 06 R50 fog lights for reference: