Choosing the right focal length is a crucial part of the creative decision making process for a photographer. You can have ...

Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view." ...

Laser Research Optics has introduced a line of OEM-compatible CO2 laser lenses that feature a selection of focal lengths to let virtually all popular lasers become optimized for engraving signs.

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

During CP+ 2025, Sony unveiled a new wide angle prime lens – and the new optic is both shorter and more affordable than the brand’s next closest lens. The Sony 16mm f/1.8 G is an ultra-wide ...

Canon ’s VCM lens series, designed for hybrid creators working with both stills and video, just gained a new member: the Canon RF 20mm f/1.4 L VCM. The lens brings a wider focal length to the hybrid ...