AI stands for Automatic Indexing. This was developed by Nikon in 1977 to allow for interchangeable lenses to mount with a single twist.
When being used in photography, a telephoto lens is used as a long focus lens. This means that the focal length of the lens is longer than the physical length. This type of lens is often used for photography of animals.
Fast, telephoto lens
A lens with a focal length of 60mm to 100mm (APS-C sized) are great for macro photography. An Ultrasonic Motor (USM) is useful in macro photography is it enables quick, quiet and accurate auto focusing. Image Stabilisation is unnecessary in macro lenses.
Glass was used as a lens protector. Now we use plastic.
The shortest zoom that would be really useful for wildlife photography is a 300 mm, but a good lens to start off with is a 75 to 300 mm zoom, or a 100 to 300 mm zoom. Probably, the best lens to go with would be a 400 mm f5.6 lens for wildlife photography, because more than likely, a 300 will be too short. You should also buy a good, sturdy tripod. Make sure it's not too heavy for you to carry around.
There are many good Nikon lens for portrait photography. However, perhaps the best Nikon lens for this purpose is the Nikkor AF-S 50mm f/1.4G lens. The cost of this lens is approximately $450.00.
When being used in photography, a telephoto lens is used as a long focus lens. This means that the focal length of the lens is longer than the physical length. This type of lens is often used for photography of animals.
Fast, telephoto lens
24-105MM Zoom Lens is the best for me.
Single Lens Reflex.
Someone needs a telephoto lens for landscaping photography because it allows you to capture a wide range of perspectives by using different focal lenses.
a wide angle lense
The camera that is best used for crime scene photography is a single-lens reflex camera, also known as SLR. This camera allows you to use interchangeable lens.
A good lens for wildlife photography would be a 100-400mm lens or a similar lens in the range of F/4 or F/5.6. This lens will allow you to get good close up shots without the lens being too big or expensive. But it all depends on what you are photographing as a 100-400mm wouldn't really be capable of macro shots or really distant photos.
You will not find better that Opteka 3.2x HD² Telephoto Lens for Kodak EasyShare. Great lens for very little money.
Light perception and storage speed。
Reflex. - Single Lens Reflex