“WHAT IS THE DEFERENT BETWEEN CPU LENSES & NON-CPU LENSES”
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CPU lenses have a built-in Central Processing Unit (CPU). When a CPU lens is attached to a DSLR camera, metal contacts on the lens are used to communicate lens information and provide power and instructions to the lens from the camera. Non-CPU NIKKOR lenses refer to the early generations of NIKKOR lenses which were developed for Nikon film cameras, at that time photographers were manually controlling all the functions of the lens and camera to acquire optimal exposure and picture composition. Non-CPU lenses do not have contacts to communicate data to the camera to perform focusing and perform other calculations. Modern NIKKOR lenses, like this AF-S DX NIKKOR 18-300mm f/3.5-6.3G ED VR Lens, are CPU lenses.
Sorry, there was a problem. Please try again later.The non-cpu has no electrical contacts.
Sorry, there was a problem. Please try again later.Easy answer: CPU lenses are new, non-CPU are old. Hard answer: non-CPU lenses do not have a processing unit on the lens, allowing for less collection of certain data. You should not encounter these unless you have purchased a lenses at least ten years prior. Refer to this website https://www.nikonimgsupport.com/na/NSG_article?articleNo=000027663&configured=1&lang=en_SG
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