Tokina AT-X 840 AF D 80-400 mm f/4.5-5.6
3. Build quality
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The second thing is the build quality. It is already the AT-X series standard that the Tokina makes an impression of a solid, armoured and virtually indestructible instrument. A sturdy tripod collar, included in the accessory kit, and two comfortable rings – a zoom ring and a manual focus ring, which work very correctly - make that impression even stronger.
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When it comes to the inner construction the Tokina boasts 16 elements in 10 groups and a floating inner sharpening system – because of that the heavy front element doesn’t rotate on focusing and the process itself is faster than in the previous version of this model. Additionally we get an 8-diaphragm blades aperture which can be stopped down to f/32-f/40 and new multi-coatings applied to the elements that are formulated to compensate of the specific CCD and CMOS sensors’ demands in today’s Digital SLR cameras.
It is also worth mentioning that the lens ends with a 72 mm filter thread and the buyer, apart from a tripod adapter, gets a lens hood included in box.
