Keck Laser - a photo on Flickriver

Keck Laser

            The Keck telescopes are each 10 meters (33 feet) across, so that laser has to be at least half a meter wide. It also is putting out 40 watts of power. Think of this next time you see someone using a 5 milliwatt laser pointer.

I found a (forgotten) ultra-rare Zeiss 85mm f/1.2 50th Anniversary Edition at my work. It was Contax-Yashica mount, so I tracked down an adapter on Amazon and tested out the lens. It was quite sharp, but for night photography, I think you can do better for ~$5000. It had a decent bit of field curvature/spherical aberrations. This photo was taken at f/1.4.

Taken in: United States / Hawaii (show map)

Taken on: August 13, 2013

Tags:

keck

observatory

hawaii

laser

adaptive optics

zeiss

85mm 1.2

f/1.2

1.2 « less

Sets appears in: • Mauna Kea • Favorite Night Photos

Groups appears in: • Observatories • We love Mauna Kea more » • Hawaii Paradise • Landscape Astrophotography • Astronomical Observatories • Into the Night Photography • Power Laser « less

Camera: Canon EOS 5D Mark II, 30 sec, 50mm, ISO 3200 (more info) (hide info)

Camera:	Canon EOS 5D Mark II
Exposure Time:	30
Focal Length:	50mm
ISO:	3200
Exposure Bias:	0 EV
Flash:	Off, Did not fire
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop CS5.1 Windows
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