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If you have any problems identifying the icons and features of a lens, look for the icon here and read the description, you should get a better understanding then. I don’t blame you, a lot of lenses have alphabet salad..

  • Modern appearance similar to Ai type, functions the same as earlier types.
  • Rubber focus grip, finer texture than Ai lenses.
  • No ADR scale on aperture ring, solid aperture prong and no lens speed post at rear of lens
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    Transmits focus Distance for improved flash metering to the camera.
  • Economy range with greater use of plastic in construction, some only single coated.
  • Same features as Ai-S but lacks aperture prong. Designated “Series E” not “Nikkor”.
  • Early version black with thin metal rear lens protectors.
  • Late version with chrome ring, solid rear protectors and Ai-style focusing grip.
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    No aperture ring, aperture controlled via camera, cannot be used on manual cameras.
    Extra-low Dispersion glass for minimising chromatic aberrations.
  • Lens focused by motor in camera, 5 CPU contacts on lens mount.
  • Plastic barrel, selected lenses metal with crinkle finish. Cheap lenses with plastic mount.
  • AF – First version with plastic focus ring and push-twist aperture lock.
  • AF-N -New style with rubber focus ring and sliding aperture lock.
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    Similar to AF-I with improved Silent Wave motor.
    Telephoto with Integrated AF motor, 10 CPU contacts, manual override of AF.
  • Ai cam on aperture ring automatically indexes the camera meter to the lens.
  • Aperture ring with secondary Aperture Direct Readout (ADR) scale, visible in viewfinder of Ai cameras.
  • Aperture coupling prong with cut-outs to illuminate ADR scale.
  • Lens speed post at rear of lens at 6 o’clock position.
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  • AI with Shutter priority
  • Smallest aperture number colored orange on ADR and aperture scale.
  • Linear control of aperture via stop-down lever for accurate exposures in shutter priority and program mode.
  • Focal length ridge built into rear lens shield indicates 135mm lens or longer for P-Hi mode with FA and F501.
  • Lens type notch – small semicircular scoop at rear of lens indicates Ai-S lens.
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  • Barrel style of older lens types. No lens speed post at rear of lens.
  • Nikon conversions have a new Ai-style aperture ring with ADR scale.
  • Custom conversions can be done by cutting existing aperture ring to form the Ai ridge.
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  • Manual focus lens with electronics of AF (non-D) lens, for advanced operations with AF cameras.
  • Only 500/4, 1200-1700 zoom and 45/2.8.
  • Some manual lenses can be converted by having a CPU chip added.
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    Internal Focus, focus achieved by moving an internal group of elements.
    Lens with smaller image circle for DX format (Crop sensor) digital cameras.
    Vibration Reduction to reduce effects of camera shake, 10 CPU contacts.
    Lens for closeup photography, also known as macro lens.
    Macro lens with built-in ring flash.
    High speed lens for available-light photography
    Nano Coat - Highly effective but delicate coating applied only to selected internal lens surfaces.
    Fisheye - Non-rectalinear lens with extremely wide picture angle.
    Tilt/shift lens with electronic diaphram.
    Shift lens for perspective control.
    Super Integrated Coating, improved multicoating applied to lenses since around 2000.
    Special lens for ultra-violet and infra-red photography.
    Lens with patented defocus control
    Lens element with non-spherical surfuce. Either precision ground, Hybrid (plastic molded to glass) or glass molded.


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