How To Buy Zoom Lens
But prime lenses still have some very real advantages.
How to buy zoom lens. Before you buy the lens make sure to check out its reviews first to see at which apertures and focal lengths the lens performs the best and the worst. Thanks to the crop factor on dslrs you don t need too much zooming power. A good zoom can help make sure you get the shot even with a fast moving subject. For example if you know that a 70 200mm f 2 8 lens should be very sharp at f 5 6 at all focal lengths stop the lens down to f 5 6 and take some pictures at different focal. Also make sure that it doesn t telescope itself out on its own.
The kit lens your dslr or interchangeable lens mirrorless camera came with is probably an example of a standard zoom lens covering a focal range of around 35 70 mm. Zoom lenses and even some prime lenses with a macro badge give a greater magnification of around 0 5x. With a zoom lens you can shift your perspective with a flick of your wrist something you can t do with a prime lens superzooms like the common 18 200mm or 28 300mm let you shoot everything from wide angle landscapes and architectural shots to portraits and wildlife photos without ever changing. A prime lens is generally a solid choice as it can be customized for a variety of photo types and is generally the most versatile. You need to bring just one zoom lens instead of two to three prime lenses that covers the full range of focal.
Compared to zooms they tend to be smaller and lighter have faster maximum apertures and give sharper images. Smaller and lighter than average zoom lenses. A prime lens has a fixed focal length so you have to bring additional lenses of different focal lengths for various shooting ranges. In point and shoot cameras it s more common for manufacturers to advertise the zoom rating of a lens 10x 40x etc whereas dslr and mirrorless lenses will be advertised by their focal. Ones with better.
Zoom lens if you want to grab action photos a telephoto lens in the 100mm to 300mm range is your best bet. However if you re taking very specific types of photos pick a lens type that will provide the right zoom for your needs. Check how the lens type affects zoom capabilities. Zoom lenses have become almost ubiquitous over the past few years and at first sight buying a lens which is restricted to a single angle of view might seem pointless.