Sigma 20mm f/1.4 DG DN ART For SonyThe Sigma 20mm f/1.4 DG DN Art is an ultrawide prime lens designed for Sony E-mount mirrorless cameras. It delivers outstanding corner-to-corner sharpness and a fast f/1.4 aperture, making it a top choice for low-light shooting and astrophotography. In addition, new features make it especially reliable under dark skies.Optical PerformanceSigma combined advanced optics with in-camera corrections to minimize distortion. Two SLD and three aspherical elements reduce chromatic aberrations and enhance clarity. A concave double-sided aspherical element improves edge-to-edge sharpness. Moreover, the Super Multilayer Coating reduces flare and ghosting, even in backlit conditions.Astrophotography FeaturesThis lens was carefully optimized for astrophotography. It controls sagittal coma flare, delivering sharp, pin-point stars across the frame. A new Manual Focus Lock (MFL) switch disables the focus ring, ensuring the set focus remains unchanged during long exposures. The design also accepts 82mm front filters, a rare option for ultrawide primes, and supports rear sheet filters for creative effects.Build and HandlingThe lens includes a smooth aperture ring with both a click switch and a lock switch, preventing accidental changes. Its rounded 11-blade diaphragm creates beautiful background blur. A petal-shaped hood reduces flare and protects the front element. Additionally, a curved lip at the front secures an optional lens heater, useful during astrophotography sessions.Autofocus and PrecisionThe inner focus system uses a precise STM stepping motor for fast, quiet, and accurate autofocus. It also supports Sony’s AF Assist function on select models. The brass bayonet mount ensures durability and long-term precision.For more details check Sigma websiteCheck our Sigma lenses Product Reviews0.0 Rated 0.0 out of 5 0.0 out of 5 stars (based on 0 reviews) Excellent0%Very good0%Average0%Poor0%Terrible0%Your review Your overall rating Select a Rating5 Stars4 Stars3 Stars2 Stars1 Star Your review Your name Your email Submit your reviewThere are no reviews yet. Be the first one to write one.Related
