jcolwell.ca © 2009 J.L. Colwell
Photography and other stuff.
LensTScalc Lens Tilt-Shift (T-S) calculator (new)
Equivalent focal length based on Angle of View (AoV) and vice versa (update)
Exposure Value (EV) calculator and guidance (update)
LF bellows extension for Large Format (LF) cameras
Film characteristics of many types of film
Keos adapter to mount your Pentax K-mount lens on a Canon EOS body
Lens speed zones plot how “fast” your lenses are
LF lens matrix plot effective AoV as your back varies from 6x7 to 4x5 (or 6x17)
LF masks .doc file of 6x7 through 8x10 nominal image sizes
Some thoughts on using a camera in winter
Future of dSLR (In a weak moment, I posted this to the photo.net EOS forum)
Thanks for looking, firstname.lastname@example.org
Copyright notice: all images on this site are Copyright © J.L. Colwell. You may not copy, reproduce or distribute any images from this site without prior written permission of J.L. Colwell.