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VIAVI optical diffusers offer unparalleled beam shaping capabilities for solid-state automotive lighting and aircraft applications. We not only homogenize LED illumination but we shape and distribute it to maximize light utilization and efficacy. Used with the VIAVI collimator optics, our diffusers enable light distribution in a controlled fashion in space, putting light only where it is needed.

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Used with our collimator optics, VIAVI Engineered Diffusers™ enable light distribution in a controlled fashion in space. Our shaped light distributions are ideal for both interior and exterior entertainment lighting applications where angularly specified illumination patterns are required.

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The AstrHori AF 27mm f/2.8 is available to preorder now in Nikon Z mount for $126. The lens is also available to order from Pergear. E and X-mount versions of the lens are also expected to arrive soon, but are not yet available for purchase.

At its core, the lens features a six-element, five-group optical design. However, its six-blade aperture won’t produce perfectly round bokeh. The aperture ranges from f/2.8 to f/16, offering flexibility for shallow depth of field or sharp focus across the frame. It also boasts a minimum focusing distance of 12 inches (30 centimeters).

AstrHori, known for its affordable optics, unveils the 27mm f/2.8 — a compact and lightweight lens built for APS-C mirrorless cameras. Weighing just 167 grams (5.89 ounces) and featuring autofocus, it suits everything from spontaneous street photography to professional video production.

To benefit from the efficiency of LED lighting sources, optical collimators, diffusers, and other components are required to direct and shape the light. VIAVI refractive diffuser technology addresses the issue of distributing the often non-uniform output of LED’s to produce uniform, homogeneous illumination. In addition, our diffusers enable light distribution in a controlled fashion in space, leading to highly efficient light use.

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VIAVI Vortex Phase Plate product line supports the intense research and development of applications involving optical vortex patterns. The Vortex Phase Plates (VPP) are produced by lithographic techniques and can generate arbitrary vortex optics patterns as continuous phase-relief surfaces.

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VIAVI can provide micro-optic solutions in etched high purity fused silica with high-power lasers for visible or excimer applications. These glass optics have nearly the same damage threshold as bulk fused silica and have been fielded in the most demanding applications including laser fusion laboratories and high-power semiconductor laser applications such as semiconductor and laser ablation systems.

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The 27mm focal length, equivalent to approximately 40mm on a full-frame sensor, strikes a balance between wide-angle and standard perspectives. This field of view closely matches the natural human perspective, making it an intuitive choice for a variety of genres. Street photographers will appreciate its ability to capture candid scenes with context, while portrait photographers will enjoy the subtle compression and natural framing it offers. Landscape shooters will find the focal length wide enough to encompass sweeping vistas without falling into distortion.

Facial recognition. Virtual Reality. Augmented Reality. 3D is coming to life in Automotive, Smartphone and other consumer devices. VIAVI Engineered Diffusers provide the highest efficiency of light transfer with user-defined, best available uniform light shaping for both Time of Flight (ToF) and Structured Light systems.

AstrHori has built its reputation on creating lenses that prioritize usability. Known for manual prime lenses, the brand has found favor with enthusiasts looking for a no-frills design. With the AF 27mm f/2.8, AstrHori ventures further into autofocus technology while retaining its emphasis on delivering exceptional value.

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Light-based medical equipment requires specialized medical optics to provide custom illumination enabling collection of meaningful data from biological materials. VIAVI offers custom Engineered Diffusers™ and Phase Plates that shape and direct light for applications ranging from ring illuminators to the optics that enable STED microscopy.

Autofocus performance often defines how well a lens integrates into modern workflows, and AstrHori’s use of an STM (stepping motor) combined with a leading screw mechanism promises to offer a smooth, silent operation. This makes the lens more appealing for video creators, as silent focusing prevents mechanical noise from disrupting audio, and the internal focus mechanism enhances durability by protecting against dust and debris. Its internal focus should maintain consistent lens length, a feature appreciated by filmmakers using stabilizers or gimbals.

AstrHori’s AF 27mm f/2.8 lens enters the autofocus market with quiet confidence, promising an affordable and portable option for creators on-the-go.

The autofocus system includes support for eye recognition and face tracking, key tools for maintaining sharp focus on subjects in motion. This is a boon for portrait shooters, event photographers looking for precision where it matters most.