Hi all,

My final project study is to design a CMOS sensor to take images of the retina and i wonder if i could design a CMOS sensor with out lens ?

thanks in advance

 

You could do it without a lens, but then I have no idea how you plan to get sharp pictures from it.

 

does this mean that a sensor without lens his pictures are not sharp ?

 

Without a lens all the cells get light from all the objects in front of the chip, so you get more or less the same exposure on all of them, so you will get a unifromly grey output.
Just like when you expose a classic camera film to light.

Have you ever seen a camera without a lens? I have not, because that simply doesn´t work.

 

yeah, i looked everywhere and i didn't find a camera without sensor, it was a suggestion from our promoter and it isn't valid.

thanks a lot ^^

 

Well you can also use a pinhole to get an image on the sensor and technically it isn´t a lens. But I am not sure if that is what your tutor had in mind.