I like door mirrors and I especially like door mirrors that work. Because you are so low, the Europa is not actually that bad seeing for what is beside you. However, not having to swivel one’s head to look out the rear window would be nice. So I fit a pair of these mirrors:
https://www.pegasusautoracing.com/productdetails.asp?RecID=11025Somewhat crazy expensive but they weight almost nothing — probably would provide lift if you filled them with helium. They are a good size without being too large and are convex with a wide viewing field so there are no surprises when you need to make a quick lane change. I believe they are available with plastic housings now which should significantly lower the cost. That said, the stupid light weight of the carbon fibre means that there is much less likelihood of stress cracking in the fibreglass over time.
https://jbcollier.smugmug.com/Lotus-Europa/i-smcwBrB/Ahttps://jbcollier.smugmug.com/Lotus-Europa/i-QrHwrDV/ANow, why are you all going to chase after me with pitch forks and burn me at the stake? Well, what the sharp eyed among you will have picked up on, I have mounted the mirrors to the door windows!
https://jbcollier.smugmug.com/Lotus-Europa/i-RKZ5kXb/A(still chrome trim to go around the door windows)
It places them in the absolute perfect position so the mirrors are easily viewed and give an amazing amount of coverage. Even heretical I was doubtful at first, but, having driven with them, they are there to stay.
John