.Viltrox has actually launched a brand new full-frame 40mm F2.5 autofocus prime lens for Sony E-mount mirrorless video cameras. It's the same lense the company launched along with a Nikon Z-mount previously this year.Optical designThe new Viltrox 40mm prime lense is made for full-frame cameras, but you may still utilize it on APS-C sensors. Nevertheless, on a plant sensor video camera, it will have an equal focal span of around 60mm. The lens is constructed along with 10 elements in 6 teams. These feature one extra-low dispersal (ED) component, 3 higher refractive mark (HR) factors, and also one aspherical aspect. Furthermore, the lens includes a nano-coating. Viltrox mentions this lessens ghosting and also flare for clearer, much more contrast-rich images.Wide maximum apertureThe brand-new Viltrox 40mm prime lens possesses a max aperture of F2.5, which must provide really good low-light performance and produce it simpler to achieve a shallow depth of field. The eye makes use of a 7-blade design however, Viltrox claims that it still supplies a "gorgeous bokeh" in out-of-focus areas.AutofocusThe autofocus unit on the brand-new Viltrox 40mm lense utilizes an STM (stepping motor). The provider states this supplies fast and also quiet autofocus. On top of that, Viltrox says the lense displays minimal emphasis breathing, which is fantastic for video recording usage. Emphasis breathing happens when the picture measurements improvements a little as you take focus. The 40mm lens additionally supports eye and also face AF settings on Sony cams. The lowest emphasis span is merely over thirteen ins (0.34 gauges). BuildThe brand-new Viltrox 40mm prime lense is actually light in weight at merely 5.9 ozs (167 grams). It's likewise sleek, assessing 2.4 ins (59.5 mm) in length and also 2.6 ins (65 mm) in diameter. Regardless of its measurements, Viltrox points out the lens has a robust building and construction for lasting resilience. It also has a weather-resistant style with an anti-fouling layer on the frontal glass. The filter measurements is 52 mm, as well as the lens features a small petal-style lense hood.What our experts thinkA 40mm lens is actually an underused focal duration. It is actually taken into consideration closer to just how our experts observe the world with our eyes than a common 50mm lense. A 40mm lense is likewise a fantastic all-round central size. Viltrox's brand-new 40mm prime lens possesses a relatively vast optimum eye of F2.5, therefore you are going to have the capacity to accomplish a shallow deepness of industry when it is actually broad available. It is going to likewise do well in low illumination. One of the greatest components of Viltrox's new lense is its own small cost. If you are actually searching for a 40mm prime lense, the Viltrox is actually a wonderful spending plan possibility to consider.AvailabilityThe brand new Viltrox AF 40mm F2.5 full-frame prime lense for Sony E-mount mirrorless electronic cameras is actually offered currently. It retails for $168.