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V. ACCESSORIES 23
New EF 14 mm f/2.8L II
USM Lens
The EF 14mm f/2.8L II USM is an ultra-wide-angle lens that was
developed as the successor to the EF 14mm f/2.8L USM. Since the
EF 14mm f/2.8L USM was first released in 1991, it has been widely
used as a high-performance ultra-wide-angle lens by both profes-
sional and high-end amateur photographers. At the same time,
there has been increasingly strong demand from the market for a
lens with improved image quality, particularly in peripheral areas. To
meet these demands, the EF 14mm f/2.8L II USM features completely
redesigned optics that offer not only significant improvements in
image quality, but features such as dust- and moisture-proofing,
resulting in a high-performance lens that exceeds even the stringent
requirements of professional users.
Compared to the now-discontinued EF 14mm f/2.8L USM, the dimensions of the new
lens are: maximum diameter, 88.5mm (+5mm), overall length 111.6mm (+8.6mm), and
weight 645g (+85g). The minimum focusing distance is 0.2m and the maximum magnifi-
cation is 0.15x.
Extenders EF 1.4x II and EF 2x II, and Extension Tubes EF 12 II and EF 25 II cannot be used
with the lens. Also, the lens has no filter threads, so it cannot be used with the screw-in
250D, 500D, and 500 Close-up Lenses, as well as with Gelatin Filter Holders III and IV.
The lens comes with a new, secure, spring mechanism lens cap, Lens Cap 14.
Features:
• High-performance L-series lens capable of ultra-wide-angle shots with a diagonal
angle of up to 114°
• Uses 2 high-precision GMo aspherical lens elements (G3 is 40mm diameter aspherical
lens element) to provide excellent correction for curvature of field, distortion and other
aberrations, giving superb image quality over the entire image, and particularly in
peripheral areas, that far exceeds previous models
V. ACCESSORIES
EF 14mm f/2.8L II USM
Focusing Elements
Diaphragm
UD Lens
GMo Aspherical Lens
O
Optical Construction