Sigma 105mm f2.8 EX DG Macro OS Lens

SigmaSKU: 085126258559

Mount: Nikon
Price:
Sale price£399.00

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Product Description

Sigma 105mm f2.8 EX DG Macro OS Lens

  • Aperture Range: f/2.8 to f/22
  • Two SLD Elements
  • Super Multi-Layer Coating
  • 1:1 Magnification, 1′ Minimum Focus
  • Hyper Sonic Motor AF System
  • Floating Internal Focus Design
  • OS Image Stabilization
  • Rounded 9-Blade Diaphragm

Stem and petals of a flower taken on the macro lens

High performance, large aperture medium telephoto macro lens with OS (Optical Stabilizer). SLD glass provides good control of aberration and the floating inner focus system ensures high rendering throughout the focusing range. By using Sigma’s APO Tele Converter, it is possible to take photos at greater than 1:1 magnification. HSM ensures a quiet and high-speed AF as well as a full-time manual focus override. This lens has a rounded 9-blade diaphragm which creates an attractive blur to the out-of-focus areas.

Butterflies (potentially Moths) on a branch taken on the Sigma 105mm Macro Lens

Large aperture medium telephoto macro lens

This medium telephoto macro lens allows you to maintain an appropriate distance from subjects while still getting close-up photos. Since the working distance at its closest focusing position is 142mm, shadows of the lens and camera will not affect photography making it suitable for taking photos of subjects, such as flowers, under natural lighting conditions. In comparison to the Sigma 50mm and 70mm macro lenses, the main subjects can be defined with perfectly smooth and blurred backgrounds.

Macro photo of a daisy flower with white petals and a yellow centre. Taken on the Sigma 105mm macro

High rendering performance

The lens power layout produces excellent optical performance. High refractive index SLD (Special Low Dispersion) glass corrects chromatic aberration, spherical aberration and field curvature. It ensures high rendering performance at all shooting distances. The Super Multi-Layer Coating reduces flare and ghosting, maintaining quality images with high contrast.

Close up of a horsefly taken on the Sigma

Handheld photography with ease

Sigma’s OS (Optical Stabilizer) system offers effective correction of approximately 4 stops. As the stabilisation effect is visible through the viewfinder, it aids composition and accurate focusing.

Floating inner focusing

This lens incorporates floating inner focusing which moves two lens groups separately. This minimizes aberrations which occur as shooting distance changes and enables stable rendering of the image from infinity to 1:1 magnification. This also corrects image distortion, especially when taking close-up pictures. Since focusing does not change its overall length, this lens is easy to hold and use.

Close up example photo of a thistle

Quiet and speedy AF

HSM (Hyper Sonic Motor) provides quiet and high-speed AF. It is also possible to use full-time manual focus, even if the lens is set to autofocus.

Rounded 9 blades diaphragm

This lens has a rounded 9 blade diaphragm which creates an attractive blur to the out-of-focus areas. This also creates smooth, rounded focus highlights when taking photos which have a strong light source in the background such as lights shining on the surface of the water.

APO Tele converters

This lens is compatible with Sigma’s APO TELE CONVERTERS. With APO TELE CONVERTER 1.4x EX DG, it can be used as a 147mm F4 AF* telephoto macro lens, and APO TELE CONVERTER 2x EX DG as a 210mm F5.6 MF telephoto macro lens. This allows a greater working distance while still achieving 1:1 macro magnification.
*AF does not work from 0.45m close-up photography.

Abstract macro photo of what I think is ice but it could be stone. It's quite hard for me to tell in all honesty

Dedicated hood adapter

When taking photos with APS-C sized digital SLR, the (supplied) dedicated hood adapter, which extends the length of the hood can be attached. This gives more protection from harmful lights that could negatively affect image quality.

*When taking photos with full-size digital SLR, please remove HA680-01 in order to avoid the edges of the image being blocked.

Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.

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