1 radar give 30 trophes on average times your bonus factor.
If you use 1 pair of glasses and radars you get 130 trophes on average times your bonus faction.
So trophes you get if you uses you glasses and radars are on average:

Bonus fractor x ( 100 x #Glasses + 30 x #Radar)

If you dont have enogth radars and glasses to get to 50000 EP then Just save the glasses and radars for next event.