Telephoto

A telephoto lens offers higher resolution, while a wide-angle lens allows a larger field of view.

He experimented restlessly with technology, trying out telephoto pictures of Kanchenjunga.

Armed with binoculars and a telephoto camera, they watch the cobalt waters for one of its great treasures - pygmy blue whales.

Sometimes she was using a short lens when she should have been using a telephoto lens and vice versa.

Sporting a telephoto lens with her camera, Philbin now can identify individual whales from their fins and tails and is second to Muul in sorting sighting tips and sending alerts.