Telephotolens

The objective lens is the primary lens that captures light entering an optical device, such as a telescope, microscope, camera, binoculars, etc.

The numerical aperture of an objective is defined as the refractive index of the Lens Immersion Medium n times the sine of the half-aperture angle α. ... A lens ...

Asphericallens

Celebrating the great return of dreamy imagery, you can alternate between razor-sharp images, or drape your world in silky soft focus. Control depth of field in a whole new way – with endless bokeh effects and the brand new Lumière and Aquarelle Waterhouse Aperture Plates. Master light, diverse moods, and dramatic special effects.

All the way from the eye-catching design down to the very smallest detail, the technical features of the Daguerreotype have been fine-tuned to provide an incredible photographic experience.

Opticallens

Complete with a set of limited edition gold-plated aperture plates to create incredible Lomographic lens flares, or keep them as a collectable photography accessory.

The test patterns are used to evaluate film-screen systems, magnification techniques and resolution capabilities of x-ray imaging systems.

Oct 13, 2021 — While light travels in a straight line and passes from one medium into another, for example from air to water, it will change speed and change ...

Convexlens

Doubletlens

This new Art Lens is our popular reinvention of Charles Chevalier’s 19th century optical design as you’ve never seen it before. A lustrous, gold-plated addition to our Daguerreotype Achromat collection, it’s sure to stand out from the crowd.

3D Magic Mirror Illusion Creator Mirage Black Hologram Maker Parabolic Reflector for Children Education Science Fun Play Toys. Buy best parabolic mirror with ...

Additionally, AR coatings help in reducing eye fatigue at work. They are especially suited for people who spend long hours working on computers, which can cause ...

Relaylens

Designed and handcrafted in a small manufactory, the Achromat lens has been reinvented for use with modern-day digital and analogue cameras – available in Canon EF, Nikon F or Pentax K SLR mounts, and compatible with a multitude of other cameras using adapter mounts. The lens is available in a sleek brass, black or chrome-plated finish.

Design · Design requirements · Lens elements · Focus · Aperture control · Shutter mechanism.

achromatic中文

Dank der Fähigkeit der kontinuierlichen Umstellung zwischen niedriger und hoher Vergrößerung kann das Messobjekt auf einfache Weise übersichtlich und gezielt im ...

Depth of field in a microscope refers to the thickness of the specimen that is in focus at any given time. It is the distance between the nearest and farthest ...

Absolutely essential for industrial metal cutters and tool and die makers. Optimal protection from harmful laser lights. Comfortable, lightweight frame and ...

The patterns consist of various lead thicknesses. The respective thickness is usually specified on each pattern. Each test pattern is usually enclosed in plastic, i.e. tissue equivalent material.

Two sets of microlens array are used, with one each on the input and the output sides. Each lens in the input array can be moved to direct the incoming light ...