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Address: 90-92 The Parade, High Street, Watford, WD17 1AW
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Product Code: F016S
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The Tamron SP 85mm F1.8 Di USD delivers edge-to-edge viewfinder brightness for ease of composition and superior low-light performance. The fast aperture of the F/1.8 also offers the perfect balance of subject sharpness and bokeh, that dreamy blur which separates your portrait subject from the background.
The 85mm focal length is ideal for producing a pleasing image with true-to-life facial features in accurate proportion. While a wide-angle lens makes close objects appear larger than they are, and longer telephotos compress and flatten features, the 85mm medium telephoto is just right. Plus the working distance between you and your subject is perfect for making the personal connection that's often missing when using a zoom.
Experienced optical design technique combined with LD and XLD lens elements have virtually eliminated on-axis and lateral chromatic aberrations that might otherwise appear as colour fringing. In addition, by thoroughly reducing chromatic aberrations (distortion of off-axis point source) and astigmatism, subjects that appear as a distinct point source will be captured as a distinct point source even at the edges and corners of the frame. Furthermore, optical simulations were thoroughly conducted, and the 85mm achieves natural bokeh - that dreamy, semi-focus blur that separates the portrait subject from the background with a snap.
Special seals are located at the lens mount area and other critical locations to help prevent moisture and/or dust from penetrating the lens and provide Moisture-Resistant Construction. This feature provides an additional layer of protection when shooting outdoors under adverse weather conditions.
The Fluorine Coating is a water and oil repellant coating applied to the front element surface making it much easier to keep clean & remove dust & deposits with ease.
Two highly developed lens coating technologies, eBAND (Extended Bandwidth & Angular-Dependency) which uses nanotechnology, and BBAR (Broad-Band Anti-Reflection), combine to increase light transmission and to reduce flare and ghosting to imperceptible levels. Additional techniques are employed to prevent reflections inside the lens barrel so that the 85mm lens delivers high contrast, sharp and clear images worthy of a fixed focal lens. This lens clearly captures detailed tones even in the shadows.
More precise diaphragm and aperture control is possible because the diaphragm blades are driven and controlled by a motor through electronic pulse signals.
Fast, quiet AF is achieved by using a USD (Ultrasonic Silent Drive) ring-type ultrasonic motor which enables remarkably precise focusing drive with high torque and responsiveness.. In addition, Full-time Manual Focus override is available at any point during the autofocus operation for deliberately shifting focus without switching the AF-MF.
|Lens Mount||Sony A|
|Warranty Period||5 Years (if registered)|