In this paper, the optical characteristics of an ultrasound gel lens were evaluated quantitatively by expanding the wavefront of the transmitted light in terms of the Zernike polynomial. It was ...

Vivo X200 Ultra with the 200mm lens add-on. Ben Sin. Vivo’s newest Ultra smartphone, the X200 Ultra, has a very impressive camera system on its own: a triple 50-megapixel lens a ...

SmallRig has released the Mobile Video Cage Kit for Samsung S25 Ultra. The SmallRig Mobile Video Cage Kit for Samsung S25 ...

Tamron has announced that it's working to bring its 18-300mm F3.5-6.3 Di III-A VC VXD lens to RF mount and Z mount ... 18-300mm F3.5-6.3 Di III-A VC VXD will have switches to toggle optical ...

Customers who pay an extra 2598 CNY (about $355) for the Photographer Kit can boost that to 8.7X optical zoom by attaching a 2.35X telephoto zoom lens to the camera module. The kit also includes a ...

As the name implies, it's a full-frame lens for Sony's E-mount, and the company says it combines "cutting-edge optical performance" with "professional-grade handling." Recent Videos The lens is made ...

We have rounded up the best zoom lenses with options to suit a range of cameras and photography styles, just in time to make the most of April's new moon. Zoom lenses help you to get closer to ...

CooperVision focused on ‘a lifetime of contact lens wear’ at 100% Optical (1–3 March), discussing how practitioners can proactively retain patients as they transition through life stages. Christina ...

the Aureus Prime T1.4 cine lens kit, targeting professional filmmakers who demand top-tier optical performance and low-light capability. This set includes five prime lenses—18mm, 24mm, 35mm, 50mm and ...