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Sigma 120-400mm F/4.5-5.6 APO DG HSM OS Lens For Canon EF Mount {77}

Sigma Cameras
KEH Model# 284732

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Sigma 120-400mm F/4.5-5.6 APO DG HSM OS Lens For Canon EF Mount {77} Description


Lens Specifications

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

Description: 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
A lens hood, tripod socket TS-31, front & rear lens caps and carrying case are included with the lens

Focus Type: Auto/Manual

Works with this type of camera: APC, Full Frame and Film

Focal Length: 120-400mm

Elements: 21 Elements in 15 Groups
f-Stop Range: f4.5-6.- f22

Minimum Focus: 59.1 inches

Macro: No

Zoom Type: Twist

Length of lens retracted: 8 inches

Length of lens zoomed out: N/A

Image Stabilized: Yes

Aperture ring on the lens: Yes

Filter Size: 77mm

Lens Hood: Yes

Weight in ounces: 61.7 oz

Other Note: Motor for Nikon


The Sigma Advantage

The interest and appetite for interchangeable lenses is very diverse in terms of users' preferences and tastes. Sigma is committed to meeting the high reliability and quality standards required of optical equipment, as well as bringing lots of added value to the photographer and this is evident in Sigma's offering of unique product features, huge selection and highly affordable pricing. So when you purchase a Sigma lens, you're sure you're getting the absolute most for your money.

Technology and Innovation
Sigma was founded, nearly 50 years ago, on the creative thinking and the pursuit of innovation, design and development of a rear lens converter, which, at the time was thought not possible. That perseverance, commitment to new photographic developments and high standards of quality is what drives Sigma, still, today. The chairman and founder, who remains at Sigma's helm even today, continues to drive Sigma toward designing and discovering new optical technology that meets the needs of today's ever changing photo world and the demands of the photographers themselves.

Sigma Lens Quality
Sigma lenses provide the highest optical quality coupled with the newest technological innovations. Quality is never compromised and always the focus. Every phase of research, design, processing and production is done, on site, in the Sigma Tokyo factories. This allows the highest degree of quality control ensures a high, consistent level of quality as we process all of our own high-performance Special Low Dispersion glass (SLD), metal and resins, surface treatments and other elements.

Selection and Affordability

As the largest independent lens manufacture, Sigma offers over 50 lenses. You'd be hard pressed not to find multiple lenses to suit your needs, skill level, type of photography and most importantly, your vision. And don't forget, Sigma lenses are considerably more affordable than other manufacturers, which sweetens the deal!

The Sigma Corporation is pleased to announce the launch of the new APO 120-400mm F4.5-5.6 DG OS HSM. Telephoto zoom lens incorporates Sigma original OS (Optical Stabilizer) function.

KEH Specifications

  • Focal Length: 120-400mm
  • Aperture Maximum: f/4.5-f/5.6
  • Aperture Minimum: f/22
  • Camera Mount Type: Canon EOS
  • Format Compatibility: Canon EOS SLR film, digital full-frame and APS-C
  • Angle of view: 20.4º - 6.2º
  • Minimum Focus Distance: 59.1 inches 
  • Elements/Groups: 21/15
  • Diaphragm Blades: 9
  • Vibration Reduction: Yes 
  • Autofocus: Yes, HSM
  • Tripod Collar: Yes
  • Filter Thread: 77mm
  • Dimensions: 3.6 x 8 in
  • Weight: 61.7 oz
  • Manufacturer Part #: 728 


General information

Manufacturer Part Number 728101
Manufacture GTIN 0085126728540
Brand Name Sigma
Product information
Minimum Focus Distance
Lens Construction
21 Elements in 15 Groups
Canon EOS Cameras
Maximum Aperture Wide
Maximum Aperture Tele
  • Camera
Filter Attachment Diameter
  • 77 mm
Lens Type Telephoto Zoom

Technical Information

Zoom Min Focal Length 120.0000
Zoom Max Focal Length 400.0000
Max Aperture f/4.5-5.6

Physical Characteristics

Lens Mount Canon EF