[argyllcms] Re: i1d3 Teardown
- From: Nikolay Pokhilchenko <nikolay_po@xxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 03 Feb 2014 13:09:13 +0400
3 Feb. 2014, 8:49 UTC от Richard Hughes wrote:
>...Using glass filters probably contributed to the
>cost, but otherwise the board is very simple indeed. I'm kinda
>confused about that giant lens tho, surely the beam needs to be
>collimated from a narrow angle, although I don't know how the diffuser
>would affect things. I think the lens is needed for enlarging the instrument
>aperture to increase the light flow. The last is improving the sensors
>signal/noise ratio.
The glass filters seems to be interesting: they are semi-transparent mirrors
with the coatings that reflects unwanted wavelength and passes the needed.
Surely the filter coatings are multi-layer to achieve desired spectral
transparency shape.
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