Thanks Ann. Yes, a reach on my part, but I'm struck by the way the bird's eyes look to the side. Makes me wonder what their field of view looks like.
Paul via phone > On Nov 8, 2016, at 7:22 PM, ann sanfedele <[email protected]> wrote: > > Nice capture, > > but it doesn't look to me that he is watching you from the way the light is > hitting his eye... he looks like he is ignoring you :-) > > ann > > >> On 11/8/2016 1:23 PM, Rick Womer wrote: >> IIRC, the field of view is nearly 180 degrees. The fovea (area of >> greatest sharpness on the retina) is way off-center so that it is >> still engaged when looking ahead. I also recall reading that raptors >> have the equivalent of 20/4 vision, and it includes UV. >> >> Rick >> http://photo.net/photos/RickW >> >> >>> On Mon, Nov 7, 2016 at 11:09 AM, Malcolm Smith <[email protected]> >>> wrote: >>> Paul Stenquist wrote: >>> >>> Another sparrow, shot at a modest 1/80th second shutter speed and an ISO of >>> about 1500. That seems to be a fast enough shutter to yield sharp results >>> if the bird is perching. This is with the DA 1.4X converter and the D FA >>> 150-450. The stop is f8 and the focal length is 630 mm. >>> >>> I always wonder what the bird’s field of vision is like. They must see more >>> than 180 degrees. >>> >>> http://photo.net/photodb/photo?photo_id=18308070&size=lg >>> ++++++++++++++++++++++++++++ >>> >>> They must have good vision around here, as the cat population is so high. >>> Great image, make the use of the warm weather whilst you can, the >>> temperature has dipped noticeably here. >>> >>> Malcolm >>> >>> >>> -- >>> PDML Pentax-Discuss Mail List >>> [email protected] >>> http://pdml.net/mailman/listinfo/pdml_pdml.net >>> to UNSUBSCRIBE from the PDML, please visit the link directly above and >>> follow the directions. > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
