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106 EXPLAINING | SPECIALITY LENSES
SPECIALITY LENSES
Conventional lenses give you a wide range but they will inspire you to try out new
of shooting options, but it is interesting to try creative approaches. Some of the effects
more specialized ones occasionally. These are possible with speciality lenses can also be
the sorts of lenses that you wouldn’t want to created in postproduction, but you will
use every day, but when you do, they will give achieve a better-quality image using the right
you the chance to experiment with your own lens in the first place, and, perhaps more
style of photography. They are not necessary, importantly, it will also be more rewarding.
TILT-SHIFT FISHEYE
A tilt-shift lens lets you angle (tilt) the A fisheye lens, also known as an ultrawide or superwide
front lens element or move it up and lens, is an extreme form of wide-angle lens. It captures a
down or left and right (shift), relative very wide image that is highly distorted and produces an
to the camera body. Tilting controls exaggerated curvature of straight
image sharpness by altering the lines. The resulting image is circular,
angle of the plane of focus. Tilting though many modern fisheyes can
up will increase blur, whereas tilting produce rectangular images with
downwards will increase sharpness. a diagonal 180° angle of view.
Shift lets you keep your camera parallel (The angle of view will also depend
to your subject, which minimizes on the camera’s crop factor.) Use a
converging verticals, when parallel fisheye lens sparingly to produce
lines seem to get closer together. the greatest visual impact.
BEST FOR BEST FOR
◾ ◾ Architectural subjects ◾ ◾ Architectural subjects, particularly interiors
◾ ◾ Front-to-back sharpness when shooting landscapes ◾ ◾ 360° virtual-reality images
◾ ◾ Macro in combination with extension tubes ◾ ◾ Action sports such as snowboarding and surfing
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