FXT Viper vs EV900 vs EV800D: Box Goggle Comparison

If you are shopping for a new set of FPV box goggles, you are probably considering either the new FXT Viper, or the EV900.  Both these goggles are of a new refraction style design that reduces eye strain significantly over traditional box goggles.   In this guide, I will give my opinions on both and also compare them to the current king of box goggles, the EV800D.

This is a companion discussion topic for the original entry at https://blog.unmanned.tech/fxt-viper-vs-ev900-vs-ev800d-box-goggle-comparison/