Have you tried different Video Plugins?
Google GLideN64 ---- I think Zelda is working well with the Frame buffer stuff that is required for the lens..
Another thing to use to get around the lens of truth is a good software plugin. This one works without having a background in RSP and LLE mode..
Try this -
http://www.emutopia.com/index.php?op...1obGUtcGx1Z2lu - Still the fastest software plugin
UPDATE:
https://github.com/ata4/angrylion-rdp-plus is great if you have multiple cores.
Hope that you understand that your donation is to help get these issues sorted out. Please check out the Patreon thread.
http://forum.pj64-emu.com/showthread.php?t=3739