|
The Aurelon PhotoPro LensTools plug-in is designed
for correction of image distortions that appear when images are captured
under specific conditions that a camera lens can't handle correctly. All
professional tools for common lens corrections are combined in a very
straightforward and easy to use interface.
Barrel distortion is a lens effect which causes
images to be spherised or "inflated". Barrel distortion is associated
with wide angle lenses and typically occurs at the wide end of a zoom
lens. Pincushion distortion is a lens effect which causes images to be
pinched at their center. Pincushion distortion is associated with tele
lenses and typically occurs at the tele end of a zoom lens. The use of
converters often amplifies the effect. It is most visible in images with
perfectly straight lines, especially when they are close to the edge of
the image frame. With the Lens Distortion option in the Aurelon
LensTools it's possible to fix both pincushion as well as barrel
distortion. Included with this option is correction of chromatic
aberration. Chromatic aberration takes place in the optics because light
rays with different color (with different wavelength) are dispersed by
the lens elements. This causes the three different color planes of the
image to have different sharpness, and also causes the mostly purple and
green color fringes in the corner of the image.
Perspective distortion transfers rectangular
objects to slanted items in an image. Most common example is in
architectural photography where the camera base is at a low angle from
the building with the object towering above the photographer. The
perspective distortion introduced with shooting an image at such
location can be fixed using the perspective tool. Although it's possible
to adjust the orientation and focal length quite easily, it's always a
trade off because the image will become smaller than the original due to
cropping afterwards.
Stretching at the edges of an image can be the
result of using a wide angle lens to capture a group of objects in a
line, such as a photo displaying a large group of people. The distortion
makes the objects at the edge of the image frame to become larger than
the rest of the objects. The squeeze option is used to squeeze them back
into proportions. The Squeeze Component is complementary to the lens and
perspective distortion filters.
Vignetting is the reduction of light transmission
towards the edges of an image, particularly when using lenses of short
focal length at wide aperture. This light falloff at the corners of an
image can be corrected with the Vignette Component. Introducing the
vignetting effect to an image in order to get that pinhole camera effect
is also possible.
Photography is capturing the color of light and
some settings need color conversion or color balancing lens filters to
correct a shift in color temperature. Commonly used are the blue
‘cooling’ filters and the amber ‘warming’ filters. The Lens Filter
Component includes the standard ‘Kodak Wratten’ based filters that
increase or decrease the color temperature. Also included is the option
to apply custom color filters and set the density of such filters with
or without the preservation of luminosity. Aurelon has added some
pre-defined, common used color filters as well as a HSB slider for fast
custom color changes.
Next Page...
|
