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Ultra wide angle
20mm F2.8 SAL20F28
This rigorously corrected lens gives you a wide angle of view for images
that benefit from dramatic perspective with minimum distortion. It’s an ideal
choice for covering spread-out scenes that you can’t get far enough way
from to cover with a “normal” lens. But there’s more: since it has extended
depth of field that can keep everything from 25 centimeters to infinity in crisp
focus, you can create exaggerated perspective by including very close and
very distant objects in the frame. Close objects will loom large, while distant
objects appear to recede markedly into the distance. Meticulous attention
has been paid to minimizing flare and internal reflections in this advanced
design, with the result that excellent sharpness and contrast are maintained
through the image.
• Weight
(
approx
)
: 285 g
• Dimensions
(
Dia. x L
)
: 78 x 53.5 mm
• Max. magnification ratio: 0.13x
Wide 94° angle of view on full-frame cameras
Precisely corrected for natural perspective
Aberration effectively suppressed throughout the focus range
Rear-focusing mechanism for fast autofocus response
Circular aperture for attractive defocusing
100
80
60
40
20
036912 20
Distance from optical center of lens (mm)
Contrast (%)
Spatial frequency
10 line pairs/mm
30 line pairs/mm
R: Radial values T: Tangential values
Max. aperture
R RT T
F8 aperture
Wide angle
28mm F2.8 SAL28F28
28 millimeters is an extremely versatile focal length that can be useful in
a wide variety of situations on both full frame and APS-C format cameras.
On a 35mm full frame format camera, 28mm is wide enough to allow
comfortable shooting indoors or on the street without producing forced
perspective. On an APS-C format camera 28mm is equivalent to a focal
length of 42mm, which is close to “normal” in terms of angle-of-view and
perspective. For photo enthusiasts who use either or both types of bodies,
this lens is a must-have! It’s compact and lightweight, and is a versatile,
convenient choice for use either as a main or second lens.
• Weight
(
approx
)
: 185 g
• Dimensions
(
Dia. x L
)
: 65.5 x 42.5 mm
• Max. magnification ratio: 0.13x
Excellent contrast and resolution
Compact, lightweight design
Built-in slide-out lens hood
An outstanding choice for 35mm full-frame and APS-C format cameras
100
80
60
40
20
036912 20
Distance from optical center of lens (mm)
Contrast (%)
Spatial frequency
10 line pairs/mm
30 line pairs/mm
R: Radial values T: Tangential values
Max. aperture
R RT T
F8 aperture
At 28 mm
At 20 mm
M mode, 1/125 sec., F11, ISO 200, Landscape Creative Style; Photo: Yuji Nukui M mode, 1/125 sec., F11, ISO 200, Landscape Creative Style; Photo: Yuji Nukui
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