Lawrence Letham, Alex Letham: GPS Made Easy Category_Telephoto Lenses 4 maximum aperture produces outstanding

4 maximum aperture produces outstanding evenly lit images with edge-to-edge sharpness—virtually no sagittal coma or light falloff

With a fast fixed maximum aperture of f/2

PAN F Plus 35mm film has a neutral base tint which enables easy print contrast assessment on the light box

superbly printed in colour on matte Japanese art paper

The recipient of NEA and Guggenheim grants

Lawrence Letham, Alex Letham: GPS Made Easy Category_Telephoto Lenses 4 maximum aperture produces outstandingGPS Made Easy tells you all you need to know about using handheld GPS receivers as a tool for accurate navigation in the outdoors. It explains how GPS works, describes the features of GPS receivers, and gives practical examples of how to use GPS receivers in a variety of outdoor situations.