Mirror box
A box containing one or more mirrors, usually angled to the light beam, as in the main body of an SLR camera.
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mirror box
mirror lens - a lens using curved mirrors in place of one or more solid glass lenses; this can dramatically reduce the physical length of a long focal-length lens by "folding" the light path.
Loreo 3D Lens in a Cap (Hong Kong) - an accessory device, which incorporates a pair of small closely spaced lens, and a simple mirror box as an attachment for many modern SLR digital cameras. The latest version has 25mm wider angle lenses.
located in the camera body between the mirror box and the film, and opening and closing vertically or horizontally) are two sets of shutter blades.
Magnesium alloy (exterior, chassis and mirror box)
Sensor *
- 27.9 x 18.6 mm CMOS sensor
- 1.3x crop factor
- RGB Color Filter Array
- Built-in fixed low-pass filter (with self-cleaning unit)
- 17 million total pixels
- 16.
The problem is that if you put a modified EF-S lens on an EOS camera with a standard sized mirror box then the mirror will flip up and smash into the lens when you try to take a photo.
The second is that small metal slivers are created each time you change lenses and end up residing in the bottom of your mirror box.
Canon's first 1D Mk IIIs had screwy mirror boxes which lead to AF problems.
This is necessary so that the lens does not protrude into the mirror box area. Retrofocus designs decrease fall-off, which is why those lenses don't require a center filter.
Today, Olympus utilized its miniaturizing and engineering expertise to create a slimmer body, removing the optical viewfinder and mirror box found inside a traditional DSLR, to create a small but high-quality interchangeable lens camera.
In dusty environments, store camera bodies in a sealable plastic bag, as an additional barrier to the ingress of dust.
Clean the base of the mirror box regularly to prevent fine particles that get worn off the lens mount flanges every time you attach ...
The light travels through the lens and hits a mirror inside the camera; this reflects the light upwards into a pentaprism (a mirror box) which then travels the light toward the eyepiece viewfinder.
 See also: Camera, Lens, Image, Lenses, Shutter
  
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