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Showing results for tags 'apo-telyt'.
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Another view of the Marlborough Downs, taken with the APO Telyt-M 135 (on M240) on the same walk as 'Formation Eating Team'. Normally I would have taken wide-angle lenses, but using 135mm forces a re-think and a re-examination of the landscape.
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Early this morning after several weeks' scouting the area: It's a Black-tailed Hare, also known as a Jackrabbit. technical stuff: R8/DMR, 280mm f/4 APO-Telyt-R, shoulder stock & monopod. All comments welcome.
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I spent last Saturday at the California Raptor Center's spring Open House, where several of the non-releasable birds were on display for an up-close-and-personal look at them. The California Raptor Center in Davis is a licensed rescue and rehabilitation facility operated by the UC Davis School of Veterinary Medicine: Raptor Center Keep in mind because of captive living conditions these should be considered portraits of individuals and not necessarily representative of the species. Sadie is an imprinted Northern Saw-whet Owl. Athena is a Barn Owl who was rescued and brought back to health after a collision with a barbed-wire fence broke her right wing. Spar is an imprinted male American Kestrel, full of spunk ("I'm tiny but I am a FALCON, beware!"). more in next post
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Bin stolzer Besitzer eines Apo 4/280. Was mich immer mal wieder beschäftigt, ist dass ich die Schärfe nachstellen muss, wenn ich den Neutraldichtefilter in der Filterschublade gegen den Polfilter tausche. Der Neutralfilter ist ja in der Optikrechnung mit drin und ist eine planparalele Glasscheibe mit zwei Luft-Glasflächen, der Polfilter aber auch. Warum also verlagert sich die Schärfe? Gruß, Jan
