This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Teleconverter. This teleconverter for an SLR camera contains lens that spreads the image so that it appears twice as large on the film as it would without the converter This one uses bayonettype lens mount Photo by User Fg own assumed Fg Teleconverters Kenko lenses Taken with Kodak DCS Pro SLR
Page 2023 Free-images.com. All images are Public Domain