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Sigma 15mm F1.4 DG DN Diagonal Fisheye Art Lens for Sony E-Mount

Sigma 15mm F1.4 DG DN Diagonal Fisheye Art Lens for Sony E-Mount
€2,129.00
EAN / UPC : 085126478650 | Brand : Sigma | SKU : 478965

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Introducing the SIGMA 15mm F1.4 DG DN Diagonal Fisheye - capture expansive landscape, star-filled skies, creative portraits and architecture with its bright F1.4 aperture and 180° angle-of-view. Get an all-new perspective and let your creativity flow with unique images with exaggerated proportions. The lens features a host of useful features for astrophotographers. Its built-in rear filter holder allows for gel-type ND filters to be inserted, a lens heater retainer that prevents heat strips from slipping over the front of the lens, and a unique manual focus lock switch that disables the focus ring.

  • Inner focus system
  • Rear Gel Filter Holder on Mount
  • Compatible with high-speed autofocus
  • HLA (High-response Linear Actuator)

Images are sharp across the whole frame thanks to the sophisticated glass elements that effectively reduce sagittal coma flare and other optical aberrations. With its set of professional features including a special locking lens cap with filter holder, tripod socket, weather-resistant construction, customisable AFL buttons, HLA motor and aperture ring, the SIGMA 15mm F1.4 DG DN Diagonal Fisheye for L-mount and Sony E-mount one of the most unique lenses in the SIGMA line-up.

  • Lens construction: 21 elements in 15 groups (4 FLD, 3 SLD, 2 aspherical elements)

Unparalleled resolving power that overturns the conventional wisdom about fisheye lenses.

In developing a fisheye lens featuring an ultra-wide-angle and powerful fisheye distortion, SIGMA has achieved a completely new level of artistic potential, combining the world's first F1.4 aperture for consumer use with outstanding resolving power across the entire image. In terms of optical performance, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art has achieved excellent point image reproducibility and high resolution by correcting various aberrations, especially sagittal coma flare. The lens is capable of handling astrophotography, which demands particularly high-quality performance, even when wide-open. Unlike conventional fisheyes, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art is exceptionally sharp across its entire 180° angle-of-view and offers an ultra-fast F1.4 aperture, making it perfect for a wide range of applications including astrophotography, landscapes and architecture. The expressive power of this all-new full-frame mirrorless lens opens a wealth of creative possibilities in wide-angle photography.

Even wide-open, high resolution and point image reproducibility across the entire image

The lens consists of 21 elements in 15 groups, including 4 FLD and 3 SLD exclusive low-dispersion glass elements, and 2 aspherical lens elements. By correcting sagittal coma flare and other aberrations, the lens can precisely reproduce bright points of light across the whole frame even wide-open, making it ideal for astrophotography.

Diagonal fisheye lens with 180° angle of view

The powerful distortion effect, which is the appeal of fisheye lenses, allows users to enjoy expressions such as a unique perspective and emphasis on the subject at a 180° angle of view. In addition, the SIGMA 15mm F1.4 DG DN DIAGONAL FISHEYE | Art is designed with the strict performance standards of the Art line. Furthermore, all lenses are inspected with SIGMA's proprietary MTF measuring system. The unique descriptive power of this new fisheye lens, which combines an incredible 180° angle-of-view with very high resolution optics, delivers a level of artistic potential that exceeds other fisheye lenses.

Designed to minimize flare and ghosting

To prevent flare and ghosting, which reduce image quality, the lens is designed to handle all conditions of incident light based on state-of-the-art simulation technology. High backlight resistance enables clear and sharp images under any lighting conditions.

Feature-packed Design

The SIGMA 15mm F1.4 DG DN Diagonal Fisheye | Art has a professional feature-set that makes it easier for photographers and film-makers to achieve the best possible results. Built into the barrel is an aperture ring,which can be set to Auto for aperture control on the camera. With a very precise action, the ring can also be de-clicked if preferred, or locked in place so that it’s not accidentally knocked out of the correct setting.

Lens heater retainer

At the front of the barrel is a Lens Heater Retainer. This helps hold a heat strip in place, which are often used by astrophotographers when shooting in cold conditions to prevent condensation build-up on the front element.

MFL lock switch and AFL button

An MFL (manual focus lock) switch can be found on the side of the lens barrel. This allows astrophotographers to completely disable the focus ring, which is useful once the lens has been set to infinity. This means that even if the ring is knocked the focus will not change. An AFL button is included on the lens barrel, which can be customised depending on the camera and system.

Rear filer holder

The lens features a rear filter holder that allows sheet-type filters to be attached. Soft type filters are preferred by astrophotographers as they make stars appear softer, larger and brighter. Other types of sheet-type filter can also be used.

A unique front lens cap has been specially designed with these types of filters in mind. Two filter slots are provided to store pre-cut sheet-type filters, allowing them to be carried with the lens at all times. The cap features a secure lock mechanism to prevent it from falling off unintentionally.

Detachable tripod socket

As this type of ultra-wide-aperture lens is by nature relatively heavy, attaching the camera to a tripod using the camera’s tripod thread can make the set-up front-heavy, putting the thread under stain and making the camera unstable. So, included with this lens is the TS-141 Tripod Socket, which ensures a more balanced set-up closer to the centre of gravity when mounted on a tripod.

Responsive HLA moror

The 15mm F1.4 DG DN Diagonal Fisheye is fitted with Sigma’s High-response Linear Actuator (HLA) motor, which delivers faster, smoother, quieter and more accurate focusing than a stepping motor. This is only the fourth Sigma lens to be designed with this technology, ensuring very responsive focusing in all shooting situations.

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