Sigma 85mm Lens For Nikon F (321955)

Portrait photographers demand the attractive bokeh effect that large-diameter lenses offer, as well as outstanding resolution.

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Description

Sigma 85mm Lens For Nikon F (321955)

Description:

Portrait photographers demand the attractive bokeh effect that large-diameter lenses offer, as well as outstanding resolution. Fulfilling the exacting standards of the Art line, the SIGMA 85mm F1.4 DG HSM | Art delivers both of these elements at the highest level. The bokeh effect is so precise, you can focus on the pupil of the subject’s eye while blurring the eyelashes. Adding to the effect, the area in focus is extremely high-resolution while the bokeh area is very attractive in appearance. The SIGMA 85mm F1.4 DG HSM | Art incorporates 14 lens elements in 12 groups, a remarkable structure that helps the lens deliver ultra-high-resolution. This lens is therefore an excellent match for full-frame DSLRs offering 50-megapixel or higher resolution.

To create a top-performing 85mm F1.4 lens, SIGMA leveraged its latest innovations in design and materials. The result is the ultimate lens for portraits. By taking chromatic aberrations to the absolute minimum, this lens offers performance that goes beyond, including incredibly sharp resolution and a beautiful bokeh effect.

Ultra-high-megapixel full-frame DSLRs offering 50-megapixel or higher resolution are now available, and nothing will bring out the performance potential of these cameras better than the fundamental performance of the lens. The SIGMA 85mm F1.4 DG HSM | Art incorporates two elements made of SLD (Special Low Dispersion Glass) and one element with a high rate of anomalous partial dispersion and a high index of refraction. These features help ensure a clear image throughout the plane. The optical system also minimises sagittal coma flare for outstanding image quality without streaking―even at wide-open aperture.

Among its new product lines, this is the fifth large-diameter F1.4 lens SIGMA has introduced for cameras with full-frame sensors. SIGMA is the only lens manufacturer that covers 20-85mm at F1.4 brightness in its lineup. This latest lens reflects our experience with this specification and insistence on offering only the best.

Elements made of SLD (Special Low Dispersion) glass and an optimised power distribution help minimise axial chromatic aberration. In the areas in front of and behind the point of focus, the optical system produces an attractive and natural bokeh effect by producing a smooth gradation of focus and minimising streaking.

The newly designed Hyper Sonic Motor (HSM) offers 1.3 times the torque of its predecessor. Even at low speeds, it offers exceptionally stable performance, and the updated AF algorithm helps ensure nimble autofocus performance. In addition, full-time manual focus override allows the lens to be switched to manual focus simply by rotating the focus ring—even during continuous AF. The user can quickly find the perfect focus without needing to touch the focus mode switch.

Mount Converter MC-11 allows you to use your SIGMA SA mount and SIGMA EOS mount (Canon-compatible) interchangeable lenses with the Sony E-mount camera body. Owners of multiple camera systems can get even more out of their valuable lens assets, while Sony E-mount camera owners can enjoy the world of large-diameter mid-telephoto photography.

Features:

- Outstanding resolving power and minimised chromatic aberrations help make this the ultimate lens for portraits
- Image quality perfect for ultra-high-megapixel digital cameras
- SIGMA’s fifth large-diameter F1.4 lens for full-frame sensors
- The beautiful bokeh effect that only a large-diameter lens can offer
- Newly designed HSM for nimble AF control
- Compatible with Mount Converter MC-11
- SIGMA USB DOCK makes customization and flexible adjustment possible.
- Applicable for the Mount Conversion Service that enables lenses to be long term assets
- Incorporating Rounded Diaphragm
- Designed to minimise flare and ghosting
- Brass made bayonet mount
- Water and oil-repellent coating ensures a pleasant photography experience
- Nikon electromagnetic diaphragm mechanism included
- Evaluation with SIGMA’s own MTF measuring system “A1”

Specifications:

Minimum Aperture: F16
Lens Construction: 14 Elements in 12 Groups
Filter Size: 86mm
Angle of View (35mm): 28.6o
Minimum Focusing Distance: 85cm
Dimensions (diameter x length): 94.7mm x 126.2mm
Number of Diaphragm Blades: 9
Maximum Magnification Ratio: 1:5:5

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