120-400mm F4.5-5.6 DG APO OS HSM

Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 180 to 600mm with most cameras

Offers Sigma’s OS System (Optical Stabilization) allowing handheld photography even in low-light situations

HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus

Minimum focusing distance of 59 inches with a maximum magnification of 1 to 4.2

Compact weighing only 3.6 pounds & a mere 8 inches in length

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#728 $1,320.00 MSRP

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PRODUCT OVERVIEW
PARTS & ACCESSORIES

SPECIFICATIONS

Lens Construction

21 Elements in 15 Groups

Angle of View

20.4º - 6.2º

Number of Diaphragm Blades

Mininum Aperture

f22

Minimum Focusing Distance

150 cm / 59.1 in

Filter Size (mm)

Maximum Magnifications

1:4.2

Dimensions
(Diameter x Length)

92.5 x 203.5 mm/3.6 x 8 in

Weight

1750g / 61.7oz.

Corresponding Mounts

Sigma	OS HSM CONV
Nikon	OS HSM CONV D
Canon	OS HSM CONV
Sony/Minolta	OS HSM CONV
Pentax	OS HSM

OS - Optical Stabilizer Function
HSM - Hyper-Sonic Motor
CONV - APO Teleconverter EX
D - Distance Information Function

* For Pentax and Sony mount, OS function is not available.

* If the camera body does not support HSM motor, AF will not work.

* The appearance, specifications, and the like of the product are subject to change for improvement without notice.

* The angle of view depends upon the camera being used.

* Nikon & Pentax Mounts: Does not have aperture ring

* Nikon Mount: Built in motor lens: compatible with D40, D40x, D60, D3000, D5000

* The Pentax mount teleconverter is not compatible with this particular lens.

Chart Guide

MTF CHART

LENS CONSTRUCTION

The Sigma APO 120-400mm F4.5-5.6 DG telephoto zoom lens is an outstanding lens in this category, an excellent optical performer with Optical Stabilization and a high speed Hyper-Sonic Motor to help you shoot amazing photos. Three SLD (Special Low Dispersion) glass elements provide optimum color correction & sharpness throughout the entire zoom range. Rear focusing system corrects for fluctuation of aberration due to focusing. Compatible with the Sigma APO Tele converters. Its reach relative to its size makes handheld photography easy to track moving subjects and it fits easily in most common camera bags for the ultimate convenience. Its close-up focusing ability makes it handy for shots of small objects such as flowers without having to change lenses. Outstanding photographs are always the outcome.

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View video for Sigma APO 120-400mm F4.5-5.6 DG OS HSM Lens.

Specs:

5.6 1/250

ISO:

400

Lens:

135-400

Photo Notes: Bird In Flight
Specs:

F5.3 1/400

ISO:

800

Lens:

Sigma 120-400

Credit:

Peter Woo
Specs:

F/3.2 1/800

ISO:

100

Lens:

120-400mm

Credit:

mirage photography
Specs:

f/16 1/125

ISO:

400

Camera System:

Nikon

Credit:

sen low

Photo Notes: john mcdermott's infrared images of Angkor, Cambodia
Specs:

5.6 1600

ISO:

500

Lens:

sigma 120-400

Credit:

serkan akçadag
Specs:

5.6

ISO:

400

Lens:

120-400mm DG APO OS HSM

Credit:

Roland Gooday
Specs:

f:9 1/640

ISO:

250

Lens:

Sigma 120-400

Credit:

Serkan Akçadag
Specs:

f5.6 1/1250

ISO:

200

Lens:

Sigma 120-400mm /4.5-5.6 DG OS HSM APO

Credit:

Lisa Franceski
Specs:

6.3 1/320s

ISO:

100

Lens:

120-400mm F4.5-5.6 DG APO OS HSM

Credit:

Lisa Franceski

Photo Notes: I've been following the Piping Plover family since March 26th. The female Piping Plover was banded in the Bahamas migrating to Long Island New York. She had a clutch of 4 and 3 are still thriving today.
Specs:

f8 1/1500

ISO:

800

Camera System:

Nikon

Credit:

James Caffrey
Specs:

f/8 1/1250s

ISO:

200

Camera System:

Canon

Credit:

Lisa Franceski
Specs:

f/6.3 1/1250s

ISO:

200

Lens:

120-400mm F4.5-5.6 DG APO OS HSM

Credit:

Lisa Franceski
Specs:

f/10 1/250s

ISO:

200

Lens:

120-400mm F4.5-5.6 DG APO OS HSM

Credit:

Lisa Franceski
Specs:

f/7.1 1/800s

ISO:

200

Lens:

120-400mm F4.5-5.6 DG APO OS HSM

Credit:

Lisa Franceski

Photo Notes: Common Terns
Specs:

f/6.3 1/500s

ISO:

100

Camera System:

Canon

Credit:

Lisa Franceski

Photo Notes: Least Tern colony in Long Island New York. Sigma 120-400mm