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Tamron SP AF 35mm F1.8 DI VC USD


KEY FEATURES

  • Versatile 35mm Focal Range
  • Bright F/1.8 Maximum Aperture
  • Built-in Vibration Compensation
  • Fast, Quiet Ultrasonic Silent Drive Autofocus
  • 9-Blade Circular Aperture Diaphragm
  • 10 Elements in 9 Groups
  • ASL, LD and XLD Elements
  • eBAND, BBAR and Fluorine Coatings
  • Ultra-Close Minimum Focus Distance of 20cm

$1,485.00

Clear

Tamron SP AF 35mm F1.8 DI VC USD

A standard 35mm slightly skewed to a wide-angle lens with built-in VC provides an MOD (Minimum Object Distance) of 0.2m. This lens achieves superb imaging performance at full aperture with well-balanced depictive capability. State-of-the-art design and engineering technologies backed by manufacturing know-how culminate in this fine lens and its companion, the SP 45mm F/1.8 Di VC USD (Model F013).

High performance at f/1.8 full aperture

The aperture on the Tamron SP AF 35mm F1.8 is set to f/1.8 with optimised critical properties at a higher level: superb optical performance coupled with a VC system, a shorter MOD, and a well-balanced form factor. Rigorous simulation processes performed throughout the design phase are materialised in distinguished resolving power and beautifully tuned background blur, a prominent feature to a fast-aperture, full-frame compliant optic.

VC (Vibration Compensation) integration sets itself apart

The VC on the Tamron SP AF 35mm F1.8 really comes into its own when used on high-resolving professional DSLRs which pick up even subtle camera shake. On fast-aperture lenses, VC dramatically extends the ability to shoot handheld under dim light conditions by eliminating camera shake at slower shutter speeds.

USD (Ultrasonic Drive)

The USD actuator converts ultrasonic waves into rotational motion that delivers autofocus with responsiveness, accuracy, and speed without so much as a whisper. The photographer can easily use manual focus at any point while the AF system is operating without having to fumble for a switch.

Get closer than ever before

New MOD specs let photographers shoot at close range, opening a new world of creative opportunities for composition while maintaining image quality.

With an MOD of 0.2m, the SP 35mm offers best-in-class close focusing*. A floating system design feature seamlessly optimises image quality by shifting elements relative to the focus group in close shooting situations. This lens uniquely offers shooting characteristics like a wide-angle macro lens.

* Rated top among current 35mm fixed focal length interchangeable AF lenses for full-frame DSLR cameras excluding macro lenses (As of July 2015. Source: Tamron).

Key Features

Super Performance series

Performance takes priority for superb image quality

This line of ultra-high-performance lenses is designed and manufactured to the exacting specifications demanded by professionals and others who require the highest possible image quality. The foremost priority is achieving superior performance parameters – high design standards take priority over cost constraints. As a result, Tamron SP lenses feature innovative designs that have established an enviable reputation for excellence amongst demanding photographers.

Moisture-resistant construction

Constructed to prevent moisture from entering the internal mechanisms of the lens, the SP line is sealed to allow photographers to shoot outdoors in adverse conditions.

USD Ultrasonic Silent DriveUltrasonic Silent Drive

‘Travelling waves’ generate a fast, smooth AF movement

This extremely quiet motor is ideal for photography of events, weddings, theatre or musical performances, as well as crucial moments on the golf course – any situation where autofocus noise is obtrusive. Major improvements in autofocus response and tracking ability over standard DC motors make for instantaneous focusing and spontaneous shooting of rapidly moving subjects.

Tamron’s USD works with the high-frequency ultrasonic vibrations that are produced by a ring called a ‘stator’. Energy from the vibrations is used to rotate an attached metallic ring known as the ‘rotor’. Piezoelectric ceramic is a material that produces ultrasonic vibrations when voltage of a specific frequency is applied is arranged in a ring formation on the stator. This electrode configuration of piezoelectric ceramic causes two ultrasonic vibrations to occur in the stator. By effectively combining these two ultrasonic vibrations, it is possible to convert the energy from the vibrations that produce simple motion into energy known as ‘deflective travelling waves’, which move around the circumference of the ring. The friction between these deflective travelling waves created on the metallic surface of the stator and the surface of the rotor produces force, causing the rotor to rotate. Attached to the rotor is the focusing lens, which is given a fast, smooth autofocus movement.

Optical Design

Aspherical

Far superior image quality – while reducing lens size and weight

Tamron uses several hybrid aspherical lens elements in its lenses bearing the Aspherical designation. The benefits are two-fold: first, in SP lenses of fixed focal length, molded glass aspherical elements deliver planarity in field curvature. These elements ensure superb focusing uniformity over the entire field by compensating for spherical and comatic aberrations. Second, as one hybrid aspherical lens element can take the place of multiple elements without compromising performance, they allow the lens to be much more compact.

Hybrid aspherical construction

LD

Low Dispersion

Sharpens edges by reducing ‘colour fringing’

Chromatic aberration occurs when a lens element refracts different wavelengths of a ray of light – its rainbow colours – at very slightly different angles. This results in the ‘colour fringing’ that reduces the sharpness of an image. LD elements are made from special glass materials with extremely low dispersion indices (i.e. the refraction of a ray of light into rainbow colours is extremely narrow). Thus they effectively compensate for chromatic aberration at the centre of the field (on axis), a particular problem at long focal lengths (the telephoto end of the zoom range), and for lateral chromatic aberration (toward the edges of the field) that often occurs at short (wideangle) focal lengths.

Although costly, LD glass materials result in clear, vivid image quality.

 

 

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Performance
Focal Length 35mm
Aperture Maximum: f/1.8
Minimum: f/16
Camera Mount Type Canon EF
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 63° 26′
Minimum Focus Distance 20 cm
Maximum Reproduction Ratio 1:2.5
Optical Design 10 Elements in 9 Groups
Diaphragm Blades 9, Rounded
Features
Image Stabilization Yes
Autofocus Yes
Physical
Filter Thread Front: 67 mm
Dimensions (DxL) 80.4 x 81.3 mm
Weight 479.12 g