.Viltrox has released a new full-frame 40mm F2.5 autofocus prime lense for Sony E-mount mirrorless electronic cameras. It's the same lense the provider released along with a Nikon Z-mount earlier this year.Optical designThe new Viltrox 40mm prime lense is created for full-frame video cameras, however you can still utilize it on APS-C sensing units. However, on a crop sensor video camera, it will definitely possess an equal focal span of around 60mm. The lense is created with 10 factors in 6 groups. These include one extra-low distribution (ED) factor, 3 high refractive mark (HR) elements, as well as one aspherical element. Furthermore, the lense includes a nano-coating. Viltrox says this minimizes ghosting as well as flare for clearer, a lot more contrast-rich images.Wide maximum apertureThe brand-new Viltrox 40mm prime lense has a max aperture of F2.5, which ought to offer really good low-light efficiency as well as create it simpler to achieve a shallow intensity of area. The iris utilizes a 7-blade style however, Viltrox states that it still supplies a "attractive bokeh" in out-of-focus areas.AutofocusThe autofocus device on the brand-new Viltrox 40mm lense uses an STM (tipping motor). The company says this delivers fast as well as peaceful autofocus. On top of that, Viltrox states the lens presents low focus breathing, which is actually fantastic for online video usage. Emphasis breathing develops when the photo size changes somewhat as you pull focus. The 40mm lens likewise sustains eye and also face AF modes on Sony video cameras. The minimum required focus span is just over thirteen inches (0.34 gauges). BuildThe brand new Viltrox 40mm prime lens is actually light in weight at only 5.9 ozs (167 grams). It's additionally sleek, assessing 2.4 ins (59.5 mm) in size and 2.6 ins (65 mm) in dimension. Even with its dimension, Viltrox mentions the lense possesses a sturdy development for durable toughness. It additionally possesses a weather-resistant concept along with an anti-fouling finish on the main glass. The filter dimension is actually 52 mm, and also the lense features a tiny petal-style lens hood.What our company thinkA 40mm lens is actually an underused focal size. It is actually thought about closer to just how we observe the planet along with our eyes than a typical 50mm lens. A 40mm lense is additionally a wonderful all-purpose central duration. Viltrox's brand new 40mm prime lense has a pretty vast maximum aperture of F2.5, so you will be able to obtain a superficial deepness of area when it's vast open. It is going to additionally perform properly in reduced lighting. Some of the most ideal components of Viltrox's brand new lens is its small cost. If you are searching for a 40mm prime lense, the Viltrox is an excellent finances option to consider.AvailabilityThe new Viltrox AF 40mm F2.5 full-frame prime lens for Sony E-mount mirrorless video cameras is offered right now. It retails for $168.