2017feb01_cardinal_IMG_0929.jpg
2017feb01_cardinal_IMG_0929.jpg
| Camera Model Name | Canon EOS 80D |
| Artist | John Moyer.3000 Ginger Dr..Norman, OK 73026, USA |
| F Number | 11.0 |
| ISO | 640 |
| Shutter Speed Value | 1/512 |
| Focal Length | 600.0 mm |
| Camera Temperature | 25 C |
| Focus Distance Upper | 12.61 m |
| Focus Distance Lower | 9.36 m |
| Lens ID | Canon EF70-300mm f/4-5.6 IS II USM |
| Field Of View | 2.2 deg |
| Hyperfocal Distance | 1692.99 m |
The reason that the focal length is listed as 600mm for a 300mm lens is that a Kenko Teleplus HD C-AF 2X DGX teleconverter was attached. This was taken hand held while sitting on a chair on my front porch. The gimp gmic plugin Richardson-Lucy deconvolution was used to remove small aperture diffraction blur. F/11 is wide open for this combination of lens and teleconverter. Focus was manual. After cropping and resizing to 40%, an unsharp mask was applied.
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Copyright John Moyer, All Rights Reserved. https://www.rsok.com/~jrm/