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
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
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
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
Video shows how close this Sigma 17-70/2.8-4.5 can focus at 70mm…
Duration : 0:0:15
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
Desempaquetado de mi nueva Pentax K20D, en kit con la lente Pentax smc DA 18-250 mm
Duration : 0:4:34
Short desription of 3 lenses: kit lens, telephoto lens, and a universal lens with long zoom.
Duration : 6 min 37 sec
did not find a video if it on you tube, so uploaded my own..
Duration : 0:5:30
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