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Thông số kỹ thuật

ẨnHiện

Angle of View (Diagonal)     27°50'~6°15'     
Angle of View (Horizontal)     23°20'~5°20'     
Angle of View (Vertical)     15°40'~3°30'     
Closest Focusing Distance (m, ft)     0.85/2.79     
Construction (groups elements)     12 - 15     
Diameter x Length (mm) (Maximum)     70.0 x 111.2     
Drive System     Lead screw and rack system driven by stepping motor
Filter Size (mm)     58mm     
Maximum Magnification (x)     0.29     
Minimum Aperture     32     
No. of Diaphragm Blades     7     
Weight (g) (Approximately)     375

Tính năng

The EF-S55-250mm f/4-5.6 IS STM is a lightweight and compact zoom lens which offers excellent image quality, usability and affordability. It features a new 6-group optical zoom system, a rear focus system and the use of a stepping motor (STM) to provide fast, quiet auto-focusing for still photography and quiet, smooth AF when used with Movie Servo AF function in movie shooting.

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