TELE CONVERTER LENS SYSTEM AND PHOTOGRAPHING APPARATUS

摘要

PURPOSE: A tele converter lens system for tele-photographing and a camera including the same are provided to increase a magnification rate by extending a focal distance while being mounted on the object of a main lens system. CONSTITUTION: A tele converter lens(TC) comprises a first lens(1), a second lens(2), a third lens(3), and a fourth lens(4) in an order which is from an object(O) to an image side. The first lens and the third lens have a negative refractive power. The second lens and the fourth lens have the positive refractive power. A tele converter lens system includes four lenses. The tele converter lens system controls image degradation without the deterioration of a picture quality and prevents light from being covered when being attached to the object of the main lens system.