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• #12331 Fandango veterán szepsuti #12330

  Új Válasz 2012-09-10 00:06:54 #12331

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  Fandango

  veterán

  válasz szepsuti #12330 üzenetére

  Sigma:

  ASP — Aspherical lens elements
  APO — Apochromatic lens element(s), originally for "Advanced Performance Optics", not necessarily apochromatic
  OS — In-lens "Optical Stabilization", analogous to Nikon VR or Canon IS
  HSM — "Hyper-Sonic Motor", either in-lens ultrasonic motor or micro-motor, analogous to Nikon SWM (AF-S) (ultra-sonic or micro-motor), Canon USM (ultrasonic or micro-motor), Minolta/Konica Minolta/Sony SSM (ultrasonic motor) or Sony SAM (micro-motor), etc.
  EX — "Excellence", EX-finish, high performance series.
  DG — "Digital Grade", coatings optimized for DSLRs, full-frame as well as APS-C, also usable on 35mm film SLRs
  DC — "Digital Compact", lenses for DSLRs featuring APS-C size sensors, only
  DN — "Digital Neo", lenses for mirrorless interchangeable-lens cameras featuring APS-C and Micro Four Thirds size sensors
  DF — "Dual Focus", lens features clutch to disengage focus ring when in AF mode
  HF — "Helical Focusing", front element of lens does not rotate (useful for polarizing filters and petal lens hoods)
  RF — "Rear Focusing", lenses employing rear-focusing, no length changes during focussing, no rotating front elements
  IF — "Inner Focusing", length of lens does not change during focusing, no rotating front elements
  UC — "Ultra-Compact"

  Tamron:

  Di — ‘Digitally Integrated’, featuring coating optimized for digital SLRs, but still usable on 24×36mm sensors (35mm, ‘full’ or double frame)
  Di II — Lenses for DSLRs with APS-C sized sensors only
  SP — ‘Super Performance’, professional lenses
  IF — ‘Internal Focusing’
  VC — "Vibration Compensation" -- in lens image stabilization
  USD — Ultrasonic Silent Drive
  PZD — Piezo Drive
  ZL — Zoom Lock

  LD — "Low Dispersion" elements
  XLD — "Extra Low Dispersion" elements
  XR — Extra Refractive Index glass
  AD — Anomalous Dispersion
  LAH — LD + ASL hybrid lens element
  ADH — AD + ASL hybrid lens element
  HID — High Index, High Dispersion glass

  Wikipedia a baratod

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