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." ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) 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 ...

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.

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 ...