Just for fun, auto focus speed of the DA* 300mm f/4 lens on my DS and K20D.
DS (v2.01) + new Energizer Lithium AA’s
K20D (v1.03) + fully charged OEM battery
More information @ www.tfphotoworks.com
Duration : 0:0:16
DA* 300mm f/4 AF Speed
Posted by admin | Under Pentax K20D Battery Wednesday Mar 10, 2010Pentax K20D – M42 adapter – how to mount
Posted by admin | Under Pentax K20D Lenses Wednesday Mar 10, 2010
How to mount M42 adapter on How to use a 1960's lens on a 2009 Camera
Posted by admin | Under Pentax K20D Thursday Feb 18, 2010
This is fun. Using an old fashioned screw-mount lens on an ultra modern camera with you controlling everything, aperture and focus. Distributed by Tubemogul.
Duration : 3 min 51 sec
Pentax Mount Sigma 18-50mm f/2.8EX DC MACRO AF Speed
Posted by admin | Under Pentax K20D Battery Wednesday Feb 17, 2010
Just for fun, auto focus speed of the Sigma 18-50mm f/2.8 EX DC MACRO lens on my DS and K20D.
DS (v2.01) + new Energizer Lithium AA’s
K20D (v1.03) + fully charged OEM battery
More information @ www.tfphotoworks.com
Duration : 0:0:16
Pentax K20D + Sigma 17-70/2.8-4.5 DC MACRO CLOSE FOCUSING ABILITY
Posted by admin | Under Pentax K20D Lenses Wednesday Feb 17, 2010
Video shows how close this Sigma 17-70/2.8-4.5 can focus at 70mm…
Duration : 0:0:15
Cataract Surgery Specialty Lenses Barnet Dulaney Perkins Eye Center Phoenix AZ
Posted by admin | Under Pentax K20D Lenses Sunday Feb 7, 2010
Dr. Scott Perkins describes the advantage of specialty implant lenses as they relate to vision correction for patients with refractive errors. The Barnet Dulaney Perkins Eye Center utilizes the: ReStor, ReZoom and the Crystalens specialty implants to accommodate all patients.
Duration : 1 min 14 sec
Pentax K20D – Desempaquetado (Unboxing)
Posted by admin | Under Pentax K20D Lenses Thursday Jan 28, 2010
Desempaquetado de mi nueva Pentax K20D, en kit con la lente Pentax smc DA 18-250 mm
Duration : 0:4:34
What lens with my DSLR – www.PentaxBody.com
Posted by admin | Under Pentax K20D Monday Dec 14, 2009
Short desription of 3 lenses: kit lens, telephoto lens, and a universal lens with long zoom.
Duration : 6 min 37 sec
pentax 50-135mm lens overview.mp4
Posted by admin | Under Pentax K20D Lenses Sunday Dec 7, 2008
did not find a video if it on you tube, so uploaded my own..
Duration : 0:5:30
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