Sony SLT-A77VM 2011 α Lens and Lens Accessory Brochure and Specifica - Page 17

DT 35mm F1.8 SAM, 50mm F1.4

Page 17 highlights

Contrast (%) Contrast (%) M mode, 1/320 sec., F5.6, ISO 200, Cloudy white balance (-1); Photo: Kentaro Fukuda Normal DT 35mm F1.8 SAM SAL35F18 Excellent sharpness and contrast throughout the image Circular aperture for attractive defocusing Responsive internal SAM (Smooth Autofocus Motor) autofocus drive Bright enough for handheld shooting in low light 35mm equivalent focal length: 52.5mm At 35 mm 100 80 60 40 20 0 3 6 9 12 Distance from optical center of lens (mm) Spatial frequency Max. aperture R T 10 line pairs/mm F8 aperture R T 30 line pairs/mm R: Radial values T: Tangential values There's a very good reason why 35mm is one of the most popular focal lengths for use on APS-C format cameras. The full-frame equivalent focal length is 52.5mm, providing "normal" perspective-similar to that experienced with the naked eye-and an angle of view that is suitable for an extremely wide range of subjects. You can shoot anything from landscapes to portraits with this lens, without ever feeling that the perspective is too forced or too flat, or that objects appear distorted.The large F1.8 maximum aperture is another advantage: bright enough to allow hand-held shooting in low light, and capable of producing smooth defocusing effects that can add depth and artistic elegance to your images. As a bonus, the SAL35F18 weighs a mere 170 grams, making it unobtrusive on the camera, in a bag, or even in a pocket! • Weight (approx): 170 g • Dimensions (Dia. x L): 70 x 52 mm • Max. magnification ratio: 0.25x 32 A mode, 1/320 sec., F2, +0.3 EV, ISO 200, Manual white balance Normal 50mm F1.4 SAL50F14 Flare effectively controlled for high contrast Outstanding corner-to-corner resolution Bright F1.4 max. aperture facilitates hand-held shooting in low light Circular aperture for attractive defocusing At 50 mm 100 80 60 40 20 0 3 6 9 12 20 Distance from optical center of lens (mm) Spatial frequency Max. aperture R T 10 line pairs/mm F8 aperture R T 30 line pairs/mm R: Radial values T: Tangential values 50mm focal length with a maximum aperture of F1.4: this quintessential fast "normal" lens formula has produced some of the greatest photographic masterpieces in history, and continues to serve as a photographic standard to this day. Of course not all 50mm F1.4 lenses are created equal, and the stunning clarity and contrast delivered by the SAL50F14 proves that it is one of the finest in its class. While the in-focus plane is sharp from corner to corner, the combination of F1.4 maximum aperture and circular aperture design makes it possible to elicit silky-smooth defocusing effects to enhance dimensionality and isolate important visual elements.This is a lens that should be part of every serious photo enthusiast's palette. • Weight (approx): 220 g • Dimensions (Dia. x L): 65.5 x 43 mm • Max. magnification ratio: 0.15x 33

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Normal
DT 35mm F1.8 SAM
SAL35F18
There’s a very good reason why 35mm is one of the most popular focal
lengths for use on APS-C format cameras. The full-frame equivalent
focal length is 52.5mm, providing “normal” perspective—similar to that
experienced with the naked eye—and an angle of view that is suitable
for an extremely wide range of subjects. You can shoot anything from
landscapes to portraits with this lens, without ever feeling that the
perspective is too forced or too flat, or that objects appear distorted. The
large F1.8 maximum aperture is another advantage: bright enough to
allow hand-held shooting in low light, and capable of producing smooth
defocusing effects that can add depth and artistic elegance to your
images. As a bonus, the SAL35F18 weighs a mere 170 grams, making it
unobtrusive on the camera, in a bag, or even in a pocket!
Weight
(approx): 170 g
Dimensions
(Dia. x L): 70 x 52 mm
Max. magnification ratio: 0.25x
Excellent sharpness and contrast throughout the image
Circular aperture for attractive defocusing
Responsive internal SAM (Smooth Autofocus Motor) autofocus drive
Bright enough for handheld shooting in low light
35mm equivalent focal length: 52.5mm
100
80
60
40
20
0
3
6
9
12
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
R
T
T
F8 aperture
Normal
50mm F1.4
SAL50F14
50mm focal length with a maximum aperture of F1.4: this quintessential
fast “normal” lens formula has produced some of the greatest
photographic masterpieces in history, and continues to serve as a
photographic standard to this day. Of course not all 50mm F1.4 lenses
are created equal, and the stunning clarity and contrast delivered
by the SAL50F14 proves that it is one of the finest in its class. While the
in-focus plane is sharp from corner to corner, the combination of F1.4
maximum aperture and circular aperture design makes it possible to elicit
silky-smooth defocusing effects to enhance dimensionality and isolate
important visual elements. This is a lens that should be part of every
serious photo enthusiast’s palette.
Weight
(approx): 220 g
Dimensions
(Dia. x L): 65.5 x 43 mm
• Max. magnification ratio: 0.15x
Flare effectively controlled for high contrast
Outstanding corner-to-corner resolution
Bright F1.4 max. aperture facilitates hand-held shooting in low light
Circular aperture for attractive defocusing
100
80
60
40
20
0
3
6
9
12
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
R
T
T
F8 aperture
At 50 mm
At 35 mm
M mode, 1/320 sec., F5.6, ISO 200, Cloudy white balance (-1); Photo: Kentaro Fukuda
A mode, 1/320 sec., F2, +0.3 EV, ISO 200, Manual white balance
32
33