New lens patents ??

Started Oct 11, 2013 | Discussions thread
solarider Veteran Member • Posts: 4,629
Hmmm.... these too :-)

Patent of 16-70mm F4 Pentax [2013/10/10 07 o'clock]

Patent of 70-200mm F2.8 Pentax [2012/10/05 07:00]Patent of circular aperture Pentax [2012 07:00]

Patent of F3.5-5.6 Pentax 16-55mm [Jun 2012 7:00]

Patent of F3.5-7.1 APS-C mirrorless lens Pentax 18-70mm [seven o'clock Jun 2012]

Patent of F3.5-6.7 APS-C mirrorless lens Pentax 18-55mm [seven o'clock Jun 2012]

robbo d wrote:


18-70mm f/4-6

16-70mm f/4

25-350mm f/ one more for Q system???..15-45mm f/2.8-3.5

Japanese isn't my strong point.... at

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