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500mm f6.3 DX Mirror tele telephoto lens T mount for Canon Nikon Sony DSLR

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Introduction

A mirror lens is just what its name says: the heavy light bending is done with mirrors rather than lenses, though they may have lenses at the tail end to allow for some optical tweaks. Typically these lenses have two mirrors in them, the main mirror being a concave parabolic reflector and a secondary mirror that may be flat or convex to bounce the light from the mirror back toward the camera.

The advantage of mirror lens is :In a mirror lens, chromatic aberration will be zero because the reflective path, unlike a refractive one, is independent of wavelength. The light path is also folded for a good part of the lens' length , so a mirror lens will be a lot shorter than its focal length. Because you don't need a lot of glass to make these mirrors, the lenses are a lot lighter than their more conventional counterparts and the main element, the objective mirror, is near the lens mount where it can be well-supported and won't shift the camera's center of mass too far forward. And they are comparatively inexpensive.

Lens Construction: 6 Elements in 6 Groups

Back thread: T mount

Filter Size (Front): 95mm

Fixed Aperture: f/6.3

Lens Type: Manual

Weight: 600g

( The lens adapter for Canon Nikon,Sony,etc are not included,so you need to buy extra lens adapter for using on your camera)

Suitable for:

- Canon EOS 5D, 50D, 40D, 30D, 20D, 10D, 450D, 400D, 350D, 300D, 1000D
- Nikon D3X, D700, D300, D200, D100, D90, D80, D70, D70s, D60, D50, D40, D40X
- Sony Alpha A900, A700, A350, A300, A200, A100
- Olympus E-30, E-3, E-520, E-510, E-500, E-420, E-410, E-400, E-330, E-300
- Pentax K20D, K10D, K200D, K110D, K100D, K100D Super, K-m

(T-Canon lens adapter,T-Nikon lens adapter,etc. are not included)

Package including:

LENS x1
Lens bag x1
Lens front cap x1
Lens rear cap x1

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