If a lens does not have LM in the title, it uses a different focus motor type. Example: Fujinon XF 55-210mm F3.5-4.8 R LM OIS ...

A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...

Place those lenses in a tube and voilà ... Standing on shoulders Both types of telescopes—Galileo's refractor and Newton's reflector—underwent improvements in the coming centuries.

Affordable but with great build quality – there is a lot to like about these full-frame anamorphic lenses from Blazar ...