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IS Lenses (Canon's for example) contain movable optical elements that are used to compensate for camera shake. A tiny sensor controls their movement to cancel-out the monitored shake and, as a result, produce a sharper image. They are therefore more expensive than regular lenses and some DSLR manufacturers have instead opted for in-body stabilization (Sony for example).
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What is the difference between bifocal and multifocal contact lenses?
The difference between bifocal and multifocal contact lenses is that biofocal contact lenses do not provide so many different angles as multifocal contact lenses do. Biofocal contact lenses do not allow the user to see as good as with multifocal contact lenses.
When was Dave Nonis born?
Dave Nonis was born in 1966.
How tall is Sarah Nonis?
Sarah Nonis is 5' 9".
What is the difference between oakley xlj lenses and oakley XL lenses?
XLJ Lenses are for the Half Jacket, while XL lenses are for Half Jacket 2.0's!
When was Sarah Nonis born?
Sarah Nonis was born on May 4, 1990, in Toronto.
Is there a difference between adult contacts and regular contacts?
There is no difference between adult contacts and regular contacts. There are two kinds of contact lenses; extended wear and disposable. There are also colored contact lenses.
What is the difference between a monocular microscope and a stereo microscope?
The monocular has 3 objective lenses but the stereo microscope has only 2 objective lenses
How can you remember the difference between convex and concave lenses?
A concave surface curves inward. Cave-in
What is the difference between a macro and micro digital camera lens?
On SLRs, macro lenses are specially corrected for extreme close-up work. Nikon brand macro lenses bear the name 'Micro', so there is really not much difference.
Difference between optical zoom and digital zoom?
Optical zoom uses lenses to focus on objects further away... it is the lenses which do the 'zooming'. Digital zoom is where a photo is taken using the same set of lenses all the time and using software to enlarge the picture.
What is the difference between nikkor and Nikon?
In essence, Nikon is the name of the big corporation that makes cameras, lenses, etc. The lenses made by Nikon are, generally, somewhat mass produced and are of a lesser quality than their Nikkor lense division. Nikkor lenses are of better quality than the parent Nikon lenses. You will pay more as a result. That said, Nikon still produces quality lenses.
What is special about purevision contacts?
The difference between Purevision and normal contact lenses is that they are made from AerGel. This makes the lenses more comfortable as they repel debris, stays moist all day and allow oxygen to reach your eye.
