Price Pledge ensures we won't be beaten on price! We actively monitor the prices offered by our competitors daily and adjust our own pricing accordingly.
Price Pledge ensures we won't be beaten on price! We actively monitor the prices offered by our competitors daily and adjust our own pricing accordingly. We pledge to match the price on most products offered by UK based dealers that are selling officially imported or manufactured UK stock, with full manufacturer warranty and is authorised to do so by the relevant manufacturer.
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The Sigma 120-300mm f/2.8 DG OS HSM lens is part of the Sports line and is also ideal for nature photography thanks to the large f/2.8 maximum aperture which can be utilised throughout the zoom range. Designed for daily use in various situations it is Dust and Splashproof giving it an added ruggedness.
Sigma have provided software for customising the lens settings to your tastes so you can configure how it operates.
Optically the 120-300mm lens incorporates two FLD (“F” Low Dispersion) and one SLD (Special Low Dispersion) for image quality close to that of a prime lens. Stray light is kept well at bay due to the application of Super Multi Layer Coating and a design process involving analysing ghosting and flare.
Focusing uses Sigma’s fast and quiet Hyper Sonic Motor (HSM) with full time Manual Focus. There is a Focus Limiter plus inner focusing and zooming. The focus limiter range can be customised using the optional Sigma USB dock.
Other notable features include four stops of Optical Stabilisation (OS) with two modes, one suitable for panning, and a rounded diaphragm for soft defocused areas
Compatible with Sigma APO teleconverters.
|Lens Construction||23 Elements in 18 Groups|
|Angle of View (for SD1)||20.4 -8.2 degrees|
|Number of Diaphragm Blades||9 Blades (Rounded diaphragm)|
|Minimum Focusing Distance||150-250cm / 59.1-98.4in.|
|Maximum Magnification||1:8.1 (f=200mm)|
|Filter Size||Diameter 105mm|
|Dimensions||Diameter 121.4 mm x Length 291 mm / 4.8in. x 11.5in.|
|Weight||3,390g / 119.6oz.|
Sports line lenses deliver high action-capture performance
Sigma is organizing all its interchangeable lenses into three product lines; Contemporary, Art and Sports. While offering sophisticated optical performance and expressiveness, the Sports line lenses deliver high action-capture performance, enabling photographers to get exactly the shots they want. With their high-level optical performance and expressive power, these lenses can capture fast-moving subjects, even at distance. This high-performance line also offers a variety of functions to aid the photographer in challenging conditions and scenarios. The SIGMA 120-300mm F2.8 DG OS HSM is the first product from the “Sports” line. Besides sports photography, the lenses are also perfect for nature shots featuring birds, wild animals and other wildlife, and for capture of aircraft, trains, racing cars and more. Another major feature of our Sports line lenses is their wide range of customization functions: using the software provided, all sorts of settings can be tailored to the personal preferences of the photographer.
Dust-proof and splash-proof construction
For professional purposes, Sigma have achieved excellent durability by incorporating dust-proof and splash-proof parts for joint parts, such as mount attachment, manual ring, zoom-ring, switches for customization and external switch panels. It prevents dust and dirt from entering the lens. Also, the usage of the zoom ring and focus ring is well positioned for shooting situations.
High image quality close to fixed focal length lens
This lens incorporates 2 FLD (“F” Low Dispersion) glass elements, which have performance equal to fluorite, 1 SLD (Special Low Dispersion) glass element, and compensate for the colour aberration at the utmost. The design also compensates for sagittal coma flare and minimizes the blurring of a point light source in peripheral areas. It offers very high image quality, close to fixed focal length lens.
Incorporation of focus limiter
Excellent usability is achieved by incorporating inner focusing and zooming that requires no change in the length of the lens for focus and zoom. It is possible to use with a rounded filter, such as a Circular Polarizer, as the front part of the lens is fixed. Due to the focus limiter offering adjustable range of auto focusing, this lens can provide fast focus setting. The USB dock enables users to change the range of the auto focusing at the discretion of users' creativity.
Newly developed “USB DOCK” exclusively for new product lines
Based on these new lines, Sigma have developed special software (SIGMA Optimization Pro) that can update the lens firmware and adjust parameters such as focus. In addition, the lenses from the Sports line have customizable AF speed, focus limiter and OS function. The “Custom Mode Switch” is the device for further customization on the dedicated lenses.
Ease of use
Many parts of this lens have been designed for comfortable usage. For example, the design of the zoom ring is concerned with a texture when you hold it, the position of printed letters and the 4 control switches with integration-considered shape of the screws. Included accessories such as the removable lens hood and the newly designed tripod collar with strap ensure added ease of use.
Flare and ghosting conscious design
In order to achieve high rendering on this flagship lens, flare and ghosting were thoroughly measured from an early stage to establish an optical design which is resistant to strong incident light such as backlight. The Super Multi-Layer Coating reduces flare and ghosting and provides sharp and high contrast images even in backlit conditions.
Excellent in handheld photography for telephoto shooting
This lens incorporates the OS system which offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible, ensuring the excellent use in handheld photography for telephoto shooting. The OS system has two modes - OS mode 1 is suitable for general photography, and OS mode 2 is best for panning shots of subjects such as planes or racing cars. It is possible to adjust the OS using the optional USB DOCK.
Quiet and Fast AF
The HSM (Hyper Sonic Motor) ensures high speed and quiet AF as well as full-time manual focus override by rotation of the focus ring. With the enhanced AF algorithm, smoother AF is achieved. The full time manual, which offers further adjustment after focusing with AF mode, is possible. By using USB Dock, you can change and adjust the AF speed at your convenience.
Incorporating Rounded Diaphragm
The 9 blade-rounded diaphragm creates an attractive blur to the out-of-focus areas of the image.
APO Tele-Converter (Optional)
The addition of Sigma's 1.4x EX DG APO or 2x EX DG APO TELE CONVERTER produces a 168-420mm F4 AF telephoto zoom lens or a 240-600mm F5.6 AF telephoto zoom lens respectively.
Brass made bayonet mount
This lens incorporates a brass made bayonet mount which has both high accuracy and durability. A special treatment to reinforce its strength is applied to the surface giving it greater strength and making it highly resistant to long-term use.
Evaluation with Sigma's own MTF measuring system “A1”
Sigma used to measure lens performance with an MTF measuring system using conventional sensors. However, they have now developed their own proprietary MTF (modulation transfer function) measuring system (A1) using 46-megapixel Foveon direct image sensors. Even previously undetectable high-frequency details are now within the scope of quality control inspections. The SIGMA 120-300mm F2.8 DG OS HSM will all be checked using this “A1” before they are shipped.