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Tamron 70-300mm F/4.0-5.6 SP DI USD (Sony)

Tamron 70-300mm F/4.0-5.6 SP DI USD (Sony)
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Gamintojas(?) TAMRON
Bajoneto tipas Sony/Minolta
Tipas Sony
Sensoriaus tipas APS-C
Šviesumas 4
Židinio nuotolis (wide) 70 mm
Židinio nuotolis (tele) 300 mm
Didžiausia diafragma 4 F
Mažiausia diafragma 32 F
35mm fokusavimo ekvivalentas 70 mm
Minimalus fokusavimo atstumas 150 cm
Kadro dydis
Filtro skersmuo 62 mm
Skersmuo 81.5 mm
Blenda Tulpės formos
Papildoma informacija
  Garantinis laikotarpis 60 mėnesių
  Matmenys (Ilgis) 142.7 mm
  Spalva Juoda
  Svoris 765 g
Objektyvo tipas Teleobjektyvai
Prekės kodai

0040ABL A005S 496037100555 4960371005553 725211003137

Komplektacija Objektyvo dangteliai, blendė, instrukcija, garantija
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Platus aprašymas

In the pursuit to achieve the most outstanding image resolution in the 70-300mm class, Tamron’s Anniversary lens - the SP AF 70-300mm f/4-5.6 Di  USD - utilizes an advanced optical design that features a LD ( Low Dispersion) and an XLD (Extra Low Dispersion) lens element made from specialized materials that prevent chromatic aberration. As a result, the SP AF 70-300mm f/4-5.6 Di USD boasts sharper contrast and greater descriptive performance than all others in its class.

In addition, it is the first Tamron lens to include a USD ( Ultrasonic Silent Drive), Tamron’s very own ultrasonic auto-focus drive mechanism. This USD mechanism delivers fast focusing, making it a perfect telephoto zoom choice for photographing sports, racing, or other fast-moving subjects.

Delivering leading-edge image quality
The optical design of this lens uses a high-performance XLD (Extra Low Dispersion) element, which is manufactured out of a special glass with an extremely low refractive index. The refractive index describes the ability of the lens to split a light beam into its spectral colours. The dispersive properties are even lower than standard LD lenses and are at a level similar to fluorite. The XLD lens in combination with the LD element delivers the highest contrast and brilliance. This effectively prevents the problem of chromatic aberration in telephoto photography and delivers a high level of sharpness even in the peripheral regions. The result is a lens that effectively compensates for axial chromatic aberration and magnification aberration throughout the entire zoom range and guarantees the highest resolution and brilliance for your pictures.

SP (Super Performance)
Only two letters - but what an impact they have on the results. SP stands for Super Performance and represents the high-performance lens class from Tamron. Our engineers were given a free hand in the design of these lenses and left no stone unturned to produce the optimal performance characteristics in each case. Take your camera to new frontiers - and pave the way for Super Performance.

The Ultrasonic Silent Drive (USD) is Tamron's latest generation of autofocus motors. Thanks to the advanced motor technology and the newly developed software, the USD enables a fast, precise and almost silent photographic experience. There are few better options for capturing quick and dynamic subjects that arise in areas such as sports photography, fast cars or even wildlife photography.

LD (Low Dispersion)
Lens element for greater image sharpness and the correction of chromatic aberration.

XLD (Extra Low Dispersion) Glass
A special glass with an extremely low colour dispersion index for the greatest level of sharpness and compensation of chromatic aberration.

Internal-Focusing (IF)-System
The extension length of the lens does not change during focussing and the close focussing distance is significantly reduced across the entire focusing range.

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Profesionalų patarimai(1)

vytass 2010-08-17Teminė sritis: Veidrodiniai fotoaparataiProblemos tipas: Objektyvai

Sveiki, turiu Nikon D90 ir objektyva 18/105. Megstu fotografuoti gamtoje, taciau sis objektyvas prastai priartina. Noriu isigyti dar viena, kuriuo galima butu gerai pritraukti tolumoje esancius objektus (pvz. kalnuose)

Gintautas Drakšas atsakė:

2010-08-17 00:00:00 Sveiki, jei reikalingas didesnis artinimas, geriausias sprendimas būtų didesnio židinio nuotolio objektyvas, toks kaip Nikkor objektyvas 70-300mm F4.5-5.6G AF-S VR IF-ED, bet tai ne vienas toks objektyvas, yra ir kitų gamintojų objektyvų, skirtų Nikon aparatams: Tamron objektyvas SP AF70-300mm F4-5.6 Di VC USD, Objektyvas Sigma 70-300mm f/4-5.6 DG OS - su stabilizavimo sistemomis, ir pigūs Objektyvas Tamron LD 4,0-5,6/70-300 DI Macro ir Objektyvas SIGMA 70-300/4-5.6 DG MACRO be stabilizavimo sistemos. tačiau be stabilizavimo sistemos su tokio židinio nuotolio objektyvais bus sunkoka fotografuoti, reikės aparato stabilumui stovo. Yra kainos prasme dar tarpinis variantas - Objektyvas SIGMA 70-300/4-5.6 DG APO MACRO - pagerinta optinė objektyvo kokybė, lyginant su pigiaisiais, bet taip pat jis neturi stabilizavimo sistemos. Alternatyva - originalusis Nikon objektyvas Objektyvas AF-S DX NIKKOR 18-200mm f/3.5-5.6 G ED VR Ⅱ, turintis stabilizavimo sistemą, bet jo kaina yra didesnė nei minėtų objektyvų, ir tada turimas 18-105mm objektyvas taptų nereikalingas.
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