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Firefly1504

FPFree Video Goggles

by Firefly1504 May 12, 2015
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I noticed that you said to adjust the length to give better focal length do you mean just add or remove to the body. I am attempting to build a set of night vision goggles

or even better a one piece and i can just print another

with a 10mm resess would help on a front plate for lcd pcb board and wires

thank you for your brill design.
i have printed it out and have put my own twist on it, i will add pictures soon but i would like a full front piece adding as i wish to remove lcd from casing and pop it just inside the tube im ok at printing just not cad please can you add it .

How much would it cost to make these if I wanted them made?

Unfortunately I can't build one for you because it has to fit your eyes. The goggles don't have any lens adjustment s so you have to take the lenses and measure the perfect distance between display, lens and eyes.

But I am trying to make a guide on how to adjust the lenses and how to implement a receiver into the goggles. Right now I am at the point where I can say I am having relatively small self contained unit that doesn't need any external receiver, cables or anything. I hope I can make a good guide on how to get it done..

Thx @Firefly.. awesome!

I will post photos later, if everything is mounted.. :-)

KR
Frank

Hi Firefly,

ordered 120mm focal lenses which would be perfect.. but fixing the lenses are pita..
Any hints to mount two fresnels without bending .. have thin plastic lenses .. a frame for that would be wonderful... :-)

BR
Frank

Hi franko
I added frames as you requested I hope that helps.

Looks nice and very compact.. which fresnels(magnification) did you use?

I can't really tell because the lenses were from another project from last year. If I remember correctly the focal length was about 180mm. I tested different lenses I had laying around and figured out what was acceptable for my eyes.
I guess to keep it small you better use short focal lengths. I got mine from an online shop that sold parts for diy beamers they are 2mm thick and stiff.

Hi Firefly,

ordered 120mm focal lenses which would be perfect.. but fixing the lenses are pita.. Any hints to mount two fresnels without bending .. have thin plastic lenses .. a frame for that would be wonderful... :-)

BR Frank

Today arrived my fresnels with 120mm focus.. first test seems good.. now i have to adjust the focus.

Thx!!

Nice I Hope you find the right distance between your eyes, lens and display. I layed the display flat on a desk an used spacers to figure out the distance between the display and lens. I tried to be as close as possible to the lens without flattening my nose. Keep us updated with your results.