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Its job is to enlarge the central part of an image obtained by the objective lens.

The objective lens of a microscope is the one at the bottom near the sample.

There is no objective lens for reading the data.

The objective lens or mirror collects light and brings it to focus creating an image.

It represents the distance at which the mirror or objective lens will cause light to converge on a single point.

After the electrons have left the sample they pass through the electromagnetic objective lens.

They have objective lenses that are approximately in line with the eyepieces.

So, with two objective lenses one can collect from every direction (solid angle ).

Reflected in the mirror is the image from the second objective lens (C).

He switched the objective lens, adjusted the focus, and off we went through several more slides.

The aperture of a photographic lens is a hole that can be adjusted to different sizes.

The basic lens type is one of the most developed and utilized photographic lenses.

Consequently a rectilinear photographic lens cannot image more than 180 degrees.

Many photographic lenses produce a superior image in the center of the frame than around the edges.

The scopes have been known to break, they say, but I haven't heard similar reports about photographic lenses.

In practice, not all photographic lenses are capable of achieving infinity focus by design.

All modern photographic lenses are close to being anastigmatic.

For example, most photographic lenses are made of glass and will filter out most ultraviolet light.

Tamron is a third party vendor of photographic lenses, quality among them varies a lot.

These glasses were used in the construction of high-quality photographic lenses.