PIR Fresnel Dome Lens as a diffuser ?

Amonra

Enlightened
Joined
Jan 18, 2005
Messages
779
Location
Malta
Im looking for an effective dome shaped diffuser to remove the harshness of the LED and widen the angle with minimal losses, so I started looking for dome shaped diffusers and I stumbled upon dome shaped Fresnel lenses used for PIR motion sensors which seem to be a good fit.
However I do not know the exact characteristics with regards to light transmittance etc..

So I was wondering if anyone has ever tried using these before or has a broken PIR sensor and is willing to try and get back with the results.

Thanks all
 
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