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<p>Tamron has officially announced the 100-400mm f/4.5-6.3 Di VC USD. The new lens will begin shipping on November 16, 2017.</p>
<p>You can preorder the new <a href="https://bhpho.to/2i7gsxu">Tamron 100-400mm f/4.5-6.3 Di VC USD at B&H Photo for $799.</a></p>
<p><strong>Press Release:</strong></p>
<blockquote><p><strong>Tamron announces the launch of a new ultra-telephoto zoom lens with fast and precise AF, superior image quality and a lightweight, compact design</strong></p>
<p><strong><em>October 26, 2017, Commack, New York</em></strong>— Tamron USA, Inc. , announces the launch of a new ultra-telephoto zoom lens, 100-400mm F/4.5-6.3 Di VC USD (Model A035), for full-frame Canon and Nikon DSLR cameras. The Model A035 delivers fast and precise AF performance and consistently powerful VC (Vibration Compensation) 4 stops*<sup>1 </sup>benefits thanks to the high-speed Dual MPU (Micro-Processing Unit) control system that is found in the latest Tamron lens models. The advanced optical design of Model A035 includes three LD (Low Dispersion) lens elements for aberration reduction and Tamron’s original eBAND Coating for superior anti-reflection performance. At 1,115g (39.3 oz), the new lens is the lightest in its class<sup>*2</sup> and features magnesium alloy in key areas of the lens barrel to ensure weight reduction, and improve strength and portability. Model A035 is compatible with Tamron’s 1.4X tele converter and the Tamron TAP-in Console<sup>TM </sup>that enables lens customizations for focus adjustments, VC mechanism adjustments and more. Additionally, an Arca Swiss compatible tripod mount is available as an optional accessory. The new Tamron 100-400mm will be available in both Canon and Nikon mounts on November 16<sup>th</sup> at $799.</p></blockquote>
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<blockquote><p><strong>PRODUCT HIGHLIGHTS</strong></p>
<p><strong>1. High-speed Dual MPU (Micro-Processing Unit) control system delivers quick and highly responsive autofocus performance plus outstanding VC image stabilization</strong></p>
<p>The Dual MPU system includes an MPU dedicated to vibration compensation processing, enhancing the computational capacity of the entire system. An MPU with built-in DSP (Digital Signal Processor) provides high-speed digital signal processing and achieves outstanding autofocus performance and vibration compensation, both indispensable for ultra-telephoto photography.</p>
<p><strong>2. Superb image quality in an ultra-telephoto zoom lens</strong></p>
<p>The Model A035 includes three LD (Low Dispersion) lens elements for optimal optical design and aberration correction. Lighter weight, increased light transmission and crisp images with excellent contrast are achieved by reducing the number of lens elements while ensuring an appropriate balance with aberration correction. The A035 has minimum object distance (MOD) of 1.5 m (59 in) and a maximum magnification ratio of 1:3.6 for close-up work.</p>
<p><strong>3. Exclusive eBAND Coating reduces flare and ghosting</strong></p>
<p>The new A035 features Tamron’s eBAND (Extended Bandwidth & Angular-Dependency) Coating, which has an extremely low refractive index and fine multiple-layer coating technology, to achieve outstanding antireflection performance. BBAR (Broad-Band Anti-Reflection) Coating, with excellent antireflection characteristics, increases light transmission. These coating technologies greatly reduce the ghosting and flare that can occur when subjects are backlit.</p>
<p><strong>4. Lightest weight, 1,115 g (39.3 oz) lens in the ultra-telephoto zoom lens class<sup>*</sup>, and only 196.5 mm </strong><strong>(7.7 in) long</strong></p>
<p>Magnesium alloy is used in key areas of the lens barrel to improve weight reduction, strength and portability. Total length of 196.5 mm (Nikon mount) means a compact size for an ultra-telephoto zoom lens covering up to 400 mm, and the A035 can therefore be easily carried in a standard camera bag. Combined with excellent vibration compensation functions, the compact size enables successful handheld ultra-telephoto photography.</p>
<p><span class="green">*Length is the distance from the front tip of the lens to the lens mount face.</span></p>
<p><strong>5. Optional accessory tripod mount is Arca-Swiss compatible</strong></p>
<p>An Arca-Swiss style tripod mount is available as an optional accessory. Designed exclusively for Model A035, it provides quick and secure attachment to a tripod and greater stability. An easy-to-hold grip shape includes an expanded mounting plane, and the use of magnesium helps achieve lighter weight, thereby further facilitating handheld photography.</p>
<p><strong>6. Compatible with tele converters and TAP-in Console</strong></p>
<p>Model A035 is compatible with tele converters designed exclusively for Tamron lenses to achieve 1.4X and 2X the original focal length*. It’s also compatible with Tamron’s TAP-in Console (Model TAP-01), an optional accessory enabling users to update lens firmware and customize the lens settings, including adjustments of focusing positions for autofocusing and the operation modes for the lens’s Vibration Compensation system.</p>
<p><span class="green">*Use of the 1.4× tele converter results in light reduction of 1 F stop; use of the 2× tele converter results in the loss of 2 F stops</span></p>
<p><strong>7. Moisture-Resistant construction and fluorine coating for enhanced weather protection</strong></p>
<p>The surface of the front element is coated with a protective fluorine compound that has excellent water- and oil-repellant qualities. The front surface is easier to wipe clean and is less vulnerable to the damaging effects of dirt, dust, moisture or oily fingerprints, allowing for much easier maintenance. Also, with active use of the A035 for outdoor photography likely, sealant is used in each of the movable and joining areas of the lens barrel to resist the intrusion of moisture.</p>
<p><strong>8. Electromagnetic diaphragm system now used also for Nikon-mount lenses</strong></p>
<p>An electromagnetic diaphragm system, which has been a standard feature for Canon-mount lenses, is now employed in Nikon-mount lenses*. More precise diaphragm and aperture control is possible because the diaphragm blades are driven and controlled by a built-in motor through electronic pulse signals.</p>
<p><span class="green">* Available only with cameras compatible with the electromagnetic diaphragm (D5, D4s, D4, D3X, Df, D850，D810, D810A, D800, D800E, D750, D600, D610, D300S, D500, D7500, D7200, D7100, D7000, D5600, D5500, D5300, D5200, D5100, D5000, D3400, D3300, D3200, D3100). (As of October, 2017; Tamron)</span></p>
<p><strong>9. External design places importance on functionality and ease of use</strong></p>
<p>While inheriting the design that makes use of many organic curves and the delicately polished form down to fine details that characterize the SP lens series, the new Model A035 comes with a highly sophisticated design that also places a lot of importance on the lens’s functionality and ease of use, featuring an overall form that faithfully encompasses the internal structures within, a slim Luminous Gold brand ring and the switch shape design.</p>
<p><strong>SPECIFICATIONS</strong></p>
<table width="461">
<tbody>
<tr>
<td width="170">Model</td>
<td width="291">: A035</td>
</tr>
<tr>
<td width="170">Focal Length</td>
<td width="291">: 100-400mm</td>
</tr>
<tr>
<td width="170">Maximum Aperture</td>
<td width="291">: F/4.5-6.3</td>
</tr>
<tr>
<td width="170">Angle of View (diagonal)</td>
<td width="291">: 24°24′ – 6°12‘ (for full-frame format)</td>
</tr>
<tr>
<td width="291">: 15°54′ – 4°01‘ (for APS-C format)</td>
</tr>
<tr>
<td width="170">Optical Construction</td>
<td width="291">: 17 elements in 11 groups</td>
</tr>
<tr>
<td width="170">Minimum Object Distance</td>
<td width="291">: 1.5m ( 59 in)</td>
</tr>
<tr>
<td width="170">Maximum Magnification Ratio</td>
<td width="291">: 1:3.6</td>
</tr>
<tr>
<td width="170">Filter Size</td>
<td width="291">: φ67mm</td>
</tr>
<tr>
<td width="170">Maximum Diameter</td>
<td width="291">: φ86.2mm</td>
</tr>
<tr>
<td width="170">Length**</td>
<td width="291">: for Canon 199mm (7.8 in)</td>
</tr>
<tr>
<td width="291">: for Nikon 196.5mm (7.7 in)</td>
</tr>
<tr>
<td width="170">Weight</td>
<td width="291">: for Canon 1,135g (40 oz)</td>
</tr>
<tr>
<td width="291">: for Nikon 1,115g (39.3 oz)</td>
</tr>
<tr>
<td width="170">Aperture Blades</td>
<td width="291">: 9 (circular diaphragm)</td>
</tr>
<tr>
<td width="170">Minimum Aperture</td>
<td width="291">: F/32-45</td>
</tr>
<tr>
<td width="170">Image Stabilization Performance</td>
<td width="291">: 4 stops (CIPA Standards Compliant)</p>
<p>(For Canon : EOS 5DMarkIII is used / For Nikon: D810 is used)</td>
</tr>
<tr>
<td width="170">Standard Accessories</td>
<td width="291">: Lens hood, Lens caps</td>
</tr>
<tr>
<td width="170">Optional Accessories</td>
<td width="291">: Tripod mount, Teleconverter (1.4x, 2.0x), TAP-in Console<sup>TM</sup></td>
</tr>
<tr>
<td width="170">Compatible Mounts</td>
<td width="291">: Canon, Nikon</td>
</tr>
</tbody>
</table>
</blockquote>
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<p>You can read the press release and get the full specifications <a href="https://www.tamron.co.jp/news/press_release/20171026.html">at Tamron.co.jp.</a></p>
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