The phrase "accessory lens" is correct and usable in written English.
It can be used when referring to a supplementary lens that can be attached to a camera or optical device to enhance its capabilities.
Example: "To achieve a wider field of view, I decided to purchase an accessory lens for my camera."
Alternatives: "supplementary lens" or "additional lens".
It's significantly better, too, than an accessory lens like the ones marketed by Zeiss or Olloclip.
My favorite use of this accessory lens is to combine the 0.42x with the Lensbaby Pinhole/Zone Plate optic to provide expansive views and the widest pinhole and zone plate photography currently possible with an SLR camera".
"This new NIKKOR lens is an ideal accessory lens for those who are ready to explore a totally new perspective, whether it's extreme close-up detail or general still images and movies with flattering out of focus elements," said Lisa Osorio, general manager of marketing at Nikon Inc.
There are accessory lenses available including a 10-100mm lens for $750, but don't expect fantastic low-light shooting.
For pro use, all of these cameras can accept accessory lenses; for home use, each offers a TV connection cable for slide shows.
Diff said it will soon produce a add-on case back that will accommodate screw-on accessory lenses, a limited-edition case in aluminum and a scaled-down camera dolly as well as a jib, suitable for a Lilliputian studio.
The cases also have a screw mount for Gizmon's accessory lenses, which include a polarizing lens that removes reflections from glass and deepens detail in clouds, a fisheye that gives a super wide angle view, and a kaleidoscopic lens that gives you three images of your subject.
Like the current line of Lensbaby accessory lenses (which includes a 1.6x telephoto, 0.6x wide angle, and +4 and +10 macro filters), the 0.42x Super Wide Lens simply screws onto the front of any Lensbaby lens via its standard 37mm screw thread.
A whole range of other goods including computer accessories, contact lenses, plant bulbs, and cosmetics are escaping VAT through the same loophole.
The main compartment has space for your DSLR body, and up to four other accessories like lenses and flashes.
"This pricing strategy has certainly caused some cannibalization of sales at the higher end for the likes of Canon and Nikon," said Walters, "but they make up for it with volume at the low end by selling more critical accessories like lenses and flashes".
