In 1972, after full military service, he joined the Society for the Protection of Nature in Israel (SPNI0 as a guide in the bird center watching station at Ma'agan Michael. During those years he became acquainted with the camera.
In 1976 he joined a research mission of the Israel Nature Reserves Authority for the Study of Seabirds in the Red Sea. From that year until the Sinai evacuation, the island of Tiran became his central photography arena and for this purpose received the assistance of the Navy. This work has since received considerable attention in Israel and the world as until then there was almost no information about the nesting colonies of the rare seabirds in the Red Sea archipelago.

During the years 1972-1984, Eshbol lived and worked at Ma’agan Michael - a field school of the Israel SPNI He combined work with studies at the Oranim Seminar, focusing on nature photography.

In 1983, he was appointed photographer for the Israel SPNI and for three years he researched the nature with his camera and exposed the wild animals and uncultivated landscapes of Israel to the public: wolf packs in the Arava, hyenas and eagles in the Negev Mountains, deer, foxes, water birds and rare birds from all over the country.

In 1986 he retired from the Society for the Protection of Nature in Israel and became an independent photographer. Since then, he has been photographing mainly around the country, where he focuses on his ongoing activities, but also in wild areas around the world.

Over the years, Eshbol initiated and implemented conservation projects and has thus contributed to the benefit of the Israeli public.