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New Panasonic sensor with "Fresnel" microlenses


rosuna

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Read this:

 

http://www.dpreview.com/news/0705/07051401panasonicrobustsensor.asp

 

Fresnel lenses are thinner, and the UV/IR is filtered at the Bayer-mosaic level !!!

 

This CMOS design could be very, very interesting for Leica.

 

Read (or see, because it is written in Spanish) this article of Valentín Sama about this new sensor:

 

http://www.dslrmagazine.com/digital/accesorios-y-perifericos-para-fotografia-digital/panasonic-de-buffon-y-fre-2.html

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This CMOS design could be very, very interesting for Leica.

Hmm ... I'm not sure that there's a DRF application (if that's what you were meaning) because Fresnel lenses are only good on-axis. As soon as the light starts to fall at even a slight angle the optical attenuation increases dramatically. The limited distance between the rear lens flange and the sensor and the resulting angles of the rays striking the sensor suggest that the sensor would need to be curved parabolically to avoid strong vignetting.

 

Pete.

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