Sigma 20mm f/1.4 DG DN Art Lens for Sony E
Sigma 20mm f/1.4 DG DN Art Lens for Sony E
- E-Mount Lens/Full Frame Format
- Aperture Range: f/1.4 to f/16
- Two SLD Elements
- Three Aspherical Elements
- Super Multilayer Coating
- Stepping AF Motor, MFL Switch
- Rounded 11-Blade Diaphragm
- Durable Brass Bayonet Mount
- 82mm Filter Diameter
- Rear Filter Holder
The Sigma 20mm f/1.4 DG DN Art Lens for Sony E full-frame delivers outstanding optical quality together with a range of advanced features which are ideal for astrophotography, landscape, interiors and movies.
This updated version of the Sigma 20mm f/1.4 DG DN Art Lens for Sony E full-frame cameras weighs 635g, which is significantly lighter than the previous model. Despite this weight saving the ultra wide angle prime lens delivers outstanding optical quality together with newly adopted advanced features for pro-level users. These include a manual aperture ring with de-click and lock functionality, a front 82mm filter thread and rear filter holder. Sigma has although thoughtfully included a Lens Heater Retainer to hold a heat strip in position and a new Manual Focus Lock switch to fully deactivate the focus ring, both of which are ideal for astro, night and outdoor photography.
The optical design specifically for mirrorless cameras renders ultra-sharp results across the entire frame even when wide open at f/1.4. The bright aperture is perfect for night sky landscapes, as well as for handheld shooting during low-light or for shallow depth-of-field.
- Bright f/1.4 maximum aperture well-suited to astrophotography, photo and video
- 635g weight for great portability
- Manual aperture ring with de-click and lock functionality
- 11-blade rounded diaphragm
- Front 82mm filter thread and rear filter holder
- New Manual Focus Lock (MFL) switch to fully deactivate the focus ring
- Customisable AFL button
- Lens Heater Retainer
- Extremely sharp results
- Well-suppressed aberrations including sagittal coma flare
- Stepping motor delivers fast, near-silent autofocus
- Compatible with Sony AF Assist high-speed autofocus
- Super Multi-Layer Coating, Nano Porous Coating and front element water and oil-repellent coating
- Mount with dust and splash-resistant structure
SIGMA 20MM F/1.4 DG DN ART LENS FOR SONY E IN MORE DETAIL
SUPERB OPTICAL PERFORMANCE
The Sigma 20mm F1.4 DG DN | Art delivers highly refined results which satisfy the demands of professional photographers and filmmakers. The optical formula includes 17 elements arranged in 14 groups, with two SLD elements and three aspherical elements, one of which is the largest double-sided aspherical element ever produced for a Sigma lens. This advanced optical design suppresses a number of optical aberrations including sagittal coma flare and chromatic aberration, offering pin-sharp results across the frame, even wide-open at f/1.4.
ADVANCED FUNCTIONALITY FOR ANY SITUATION
An 82mm front filter thread is built-in despite the prime lens’ wide f/1.4 aperture and ultra-wide angle-of-view. There’s also a rear filter holder, proving an effective way of utilising multiple lens filters simultaneously, which is particularly useful for astrophotographers, who may want to attach a light pollution filter such or a soft filter at the rear.
A manual aperture ring with lock switch is built in, which is de-clickable for smooth transition between aperture settings and useful for changing exposure seamlessly when shooting video. Sigma added a new Manual Focus Lock (MFL) switch which completely deactivates the focus ring, ensuring the focus position won’t change even if it is accidentally knocked.
A customisable AFL button is also included built into the lens, which can be customised to a range of different functions and film-makers will appreciate the fast yet near-silent autofocus stepping motor. Another new feature for astrophotographers is the Lens Heater Retainer, which is a pronounced lip around the front element to keep a heat strip firmly in place. Heat strips are commonly used to stop condensation forming on the elements when working at night.
UNCOMPROMISING BUILD QUALITY
The 20mm F1.4 DG DN for Sony E meets the exceptionally high standards we expect with a robust body made from a combination of aluminium and Thermally Stable Composite (TSC) gives a sleek finish and the focus ring has a well damped, smooth action. A lockable rubber gripped petal-shaped lens hood is included, which can be securely fastened to the lens without risk of it falling off. This ultra wide angle prime lens is also ideal for longer outdoor shoots thanks to a dust and splash-resistant structure, a water and oil-repellent coating on the front element and a rubber seal around the mount.
- Lens construction: 17 elements in 15 groups, with 2 FLD and 3 aspherical elements
- Internal focus system
- Stepping Motor
- Compatible with Lens Aberration Correction
- Support for DMF and AF+MF
- Super Multi-Layer Coating, Nano Porous Coating and Water- and oil-repellent coating
- Focus Mode Switch
- Lens Heater Retainer
- Aperture Ring
- Aperture Ring De-click Switch
- Aperture Ring Lock Switch
- AFL Button
- MFL Switch
- Rear filter holder
WHAT’S IN THE BOX
- Sigma 20mm f/1.4 DG DN Art Lens for Sony E
- Front Cap LCF-82 III
- Petal-type lens hood with lock LH878-04
- Rear Cap LCR II
- Filter Holder
- Guide Plate (GP-21)
Sigma 20mm F/1.4 DG DN ART Specs
|Lens Mount||Sony E|
|Lens Format Coverage||Full-Frame|
|Angle of View||94.5°|
|Minimum Focus Distance||23 cm|
|Macro Reproduction Ratio||1:6.1|
|Optical Design||17 Elements in 15 Groups|
|Diaphragm Blades||11, Rounded|
|Filter Size||82 mm (Front)
Gel Filter (Rear)
|Dimensions (ø x L)||87.8 x 113.2 mm|
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