Vu le manque de documentation sur ce "vieux" cailloux je me permet de créer ce petit topic!
Name:Sigma 17-35mm f/2.8-4 EX DG Aspherical HSM
Image Circle35mm
TypeWide ZoomFocal Length17 - 35mm
APS Equivalent 1.5x: 25.5 - 52.5mm; 1.6x: 27.2 - 56mm
Max Aperturef/2.8 - 4
Min Aperturef/22Diaphragm Blades8Lens
Construction16 elements in 13 groups, including 2 aspherical and 1 SLD elements
Diagonal Angle of View(Based on image circle)103.7 to 63.4 degreesFocus DetailsInternal
Focus; HSM with full-time manual override
Front Element Rotation
NoZoom SystemRotary
Closest Focus27cm / 10.6 in.
Magnification Ratio0.22x / 1:4.5
Filter Size77mm
Dimensions(Length x Diameter)88.7mm x 83.5mm / 3.4 in. x 3.3 in.
Weight560g / 19.8 oz
test@17mm (avec 6d mode AV)
du brut:
f2.8
f5.6
f8
f11
Passé dans ligthroom:
Message édité par deniks le 28-12-2016 à 14:44:22
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