Lawrence Letham, Alex Letham: GPS Made Easy Category_Telephoto Lenses It helps to reduce stray

It helps to reduce stray light which can cause flare

Articulated arm with centre lever to lock all 3 movements

With a fast fixed maximum aperture of f/2

have been kept on his studio shelves for the past 60 years

but negatives will still produce good prints

Lawrence Letham, Alex Letham: GPS Made Easy Category_Telephoto Lenses It helps to reduce strayGPS 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.