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70-200mm F2.8 DG OS HSM

As low as $1,499

SKU: #

590

High optical quality, tough design and excellent handling
Optical Stabilizer (OS) system
HSM (Hyper Sonic Motor) delivers high AF speed
Magnesium alloy barrel
Dust and splash resistant structure
Water- and oil-repellent front coating
Inner zoom mechanism
10 exclusive low-dispersion glass elements
Tripod socket with 90° click stops
Focus limiter, OS mode switch, focus mode switch

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AWARDS

2019 BEST DSLR PROFESSIONAL ZOOM LENS TIPA
EISA BEST PRODUCT PROFESSIONAL TELEPHOTO ZOOM LENS 2019-2020

Lens Construction

24 elements in 22 groups

Accessory Camera Wall

Edition Number

S018

Sensor Size

Full Frame

Angle Of View

34.3 (W) - 12.3° (T)

Number of Diaphagm blades

11 (rounded diaphragm)

Minimum Aperture

F22

Minimum Focusing Distance

120cm / 47.2 in.

Maximum Magnification Ratio

1:4.8

Filter Size

82mm

Dimensions

94.2mm x 202.9mm / 3.7 in. x 8.0 in.

Weight

1,805g / 63.7 oz.

LENS CONSTRUCTION

FLD glass
SLD glass

MTF CHART

The MTF (Modulation Transfer Function) is one of the measurements for evaluating a lens' performance, and it shows how faithfully the contrast of the subject can be reproduced on the image plane. The horizontal axis shows the image height (distance from the center of the image in mm) and the vertical axis shows the contrast value (maximum value is 1).

The closer the 10 line pairs/mm curve is to 1, the higher the contrast and clarity of the lens is, and similarly, the closer the 30 line pairs/mm curve is to 1, the better the resolution and sharpness of the lens is.

*The MTF chart depicts the result at the wide-open aperture.
*For mirrorless lenses that support distortion correction, the horizontal axis shows the image height equivalent to when an L-Mount lens is attached to a Sigma L-Mount camera with distortion correction applied. (The effect of distortion correction may differ depending on the mount and camera used.)
*The spatial frequency indicates the variation on the image plane before distortion correction is performed.

Spatial Frequency

S: Sagittal Line

M: Meridional Line

10lp/mm

30lp/mm

DIFFRACTION MTF 70MM

DIFFRACTION MTF 200MM

GEOMETRICAL MTF 70mm

GEOMETRICAL MTF 200mm

Hyper Sonic Motor (HSM)

The Hyper Sonic Motor (HSM) uses ultrasonic waves to drive the autofocus mechanism. It features extremely quiet operation, high torque, and excellent focusing speed.

OS (Optical Stabilizer) function

SIGMA's OS (Optical Stabilizer) function uses sensors inside the lens to detect any motion, then moves specific lens elements in order to effectively minimize blur caused by such movement.

Inner zoom

The lens incorporates an inner zoom. With their unchanging barrel length, these lenses also enhance balance and stability for the photographer. Furthermore, since the front of the lens does not rotate, polarizing filters can be used with extra convenience.

Exclusive low-dispersion glass

Careful arrangement of exclusive low-dispersion glass elements gives SIGMA lenses superlative image rendition untarnished by residual chromatic aberration.

Water and oil repellent coating

Incorporates a water and oil-repellent coating that allows water to be wiped away easily and prevents oil and grease from sticking to the surface, even in challenging shooting conditions. At the same time, the maintenance of the lens surface becomes easier.

AFL button

The AFL button can be assigned with various functions widens the range of operations available on the lens.

Dust and Splash Resistant Structure

This lens features a highly effective dust and splash resistant structure with special sealing at the mount connection, manual focus ring, zoom ring, and cover connection.

*Although this construction allows the lens to be used in light rain, it is not the same as being waterproof, so please prevent large amounts of water from splashing on the lens. It is often impractical to repair the internal mechanism, lens elements and electric components if they are damaged by water.

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