My HAL 9000 builds (plural)

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j_holtslander

Well-Known Member
I'm looking forward to your studies with the modified peephole. Which option will be the winner?
Peephole fits better, is better construction, and easier to integrate into the rest of HAL. But after comparing both again after painting both black and modifying the lenses of the peephole... the cell phone camera lens is still the winner between the two.
 

nkg

Sr Member
RPF PREMIUM MEMBER
The glass "eBay" lens is pretty good, but doesn't convey the depth of a real camera lens. I roughly emulated the design of the real lens and bought a bunch of lens elements from various Chinese lens manufacturers, and I think it helps a lot in simulating the complex and multi-reflective look of the real thing. :)
 

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j_holtslander

Well-Known Member
The glass "eBay" lens is pretty good, but doesn't convey the depth of a real camera lens. I roughly emulated the design of the real lens and bought a bunch of lens elements from various Chinese lens manufacturers, and I think it helps a lot in simulating the complex and multi-reflective look of the real thing. :)
Well. If I had access to all that I’d probably go that route too.
 

j_holtslander

Well-Known Member
It would be interesting to know how those guys did the effect of the reddish/yellow kind of light seen in the lens:unsure:
The original lens contained colored filters in it. They rotated the dial to the red filter (R60 filter) and shined the light bulb through it.
I looked into an R60 filter and then bought a lighting gel sheet from a camera store that was as close as possible. Cut a small circle of it and stuck it inside my lens.

The warm white light passing through red filter material is what makes it look different than just a red LED.
 

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nkg

Sr Member
RPF PREMIUM MEMBER
It would be interesting to know how those guys did the effect of the reddish/yellow kind of light seen in the lens:unsure:

What j_holtslander says. The bright tungsten bulb overwhelmed the thin red filter in the brightest area, and so the yellow light dominated in the centre.
 
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