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Message: <blockquote data-quote="aroy" data-source="post: 308936" data-attributes="member: 16090">You must be cognizant of a few facts and compromises in lenses.1. Primes offer better IQ and speed compared to equivalent (in cost zooms).2. Zooms offer a range of focal length, while primes have only one.3. The larger the zoom ratio, the less the IQ at the extremes.4. Primes are normally much lighter than equivalent zooms.That said, at wider angle zoom IQ approaches those of primes, but they are much slower. The exceptions are professional zooms, like the 14-24 which is rated better than the primes. At telephoto end the primes tend to be much better IQ, faster speed and lower cost. A good example are the 70-300 or the 18-300 zoom. They are much slower than the 300mmF4 prime, and quite soft at the 300mm end. If you want to do serious photography (and want good IQ) at 300mm end, then avoid these zooms. They are good as a general purpose carry along lense when the light is good, and when you want a light rig. They will get the shot, but it will not be exceptional. So if you want to shoot fast action far away the way to go is with prime lense.The best option is to first use what ever you have. Get familiar with the camera and try all sorts of shots in varying light. Once you become thoroughly acquainted with you camera, you will appreciate what you have, its pluses and its shortcomings. Then explore what sorts of shots you are taking and what you missed (or messed up) due to inferior glass.</blockquote>

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