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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 ;)

    [ Szerkesztve ]

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