.Viltrox has actually introduced a brand new full-frame 40mm F2.5 autofocus prime lense for Sony E-mount mirrorless video cameras. It's the same lense the company launched along with a Nikon Z-mount earlier this year.Optical designThe brand new Viltrox 40mm prime lens is actually made for full-frame cameras, yet you can still utilize it on APS-C sensors. Nevertheless, on a crop sensing unit camera, it is going to possess a comparable focal length of around 60mm. The lens is constructed along with 10 components in six teams. These include one extra-low scattering (ED) aspect, 3 higher refractive index (HUMAN RESOURCES) elements, as well as one aspherical component. On top of that, the lens features a nano-coating. Viltrox states this reduces ghosting and flare for clearer, more contrast-rich images.Wide maximum apertureThe brand new Viltrox 40mm prime lense possesses a maximum aperture of F2.5, which ought to offer really good low-light efficiency and produce it easier to achieve a superficial deepness of area. The iris utilizes a 7-blade style having said that, Viltrox states that it still provides a "stunning bokeh" in out-of-focus areas.AutofocusThe auto-focus device on the brand new Viltrox 40mm lense utilizes an STM (tipping electric motor). The business says this delivers swiftly and also quiet auto-focus. In addition, Viltrox states the lense displays marginal focus breathing, which is excellent for video clip make use of. Focus breathing takes place when the image dimension adjustments somewhat as you take concentration. The 40mm lens also assists eye and also face AF settings on Sony electronic cameras. The minimum required emphasis range is actually merely over 13 ins (0.34 gauges). BuildThe brand-new Viltrox 40mm prime lens is actually lightweight at simply 5.9 ounces (167 grams). It is actually also sleek, determining 2.4 ins (59.5 mm) in size and also 2.6 inches (65 mm) in diameter. In spite of its size, Viltrox mentions the lens possesses a sturdy development for enduring resilience. It additionally possesses a weather-resistant layout with an anti-fouling layer on the main glass. The filter dimension is 52 mm, and the lens comes with a little petal-style lense hood.What our company thinkA 40mm lens is an underused central span. It's looked at closer to just how our company see the world along with our eyes than a regular 50mm lens. A 40mm lens is additionally a terrific all-round central duration. Viltrox's brand-new 40mm prime lens possesses a fairly vast max aperture of F2.5, so you will manage to attain a superficial depth of industry when it's large available. It will definitely also execute well in reduced light. One of the very best attributes of Viltrox's brand new lens is its own low price. If you are actually looking for a 40mm prime lense, the Viltrox is actually a fantastic spending plan option to consider.AvailabilityThe new Viltrox AF 40mm F2.5 full-frame prime lense for Sony E-mount mirrorless video cameras is actually readily available currently. It retails for $168.