Nikon TC-14E III AF-S Teleconverter for Camera

Product Information

The obvious advantage of using teleconverters is extended reach at a relatively low cost. This becomes especially true when utilizing high-quality prime lenses with a variety of teleconverters. Focal Length Versatility

Pincushion distortion is increased ever so slightly, with only 0.719% present. Without the converter, Imatest detected 0.239% pincushion distortion at 200mm. For example, the Nikon 300mm f/4E PF ED has an impressive minimum focus distance of 1.4 meters. The 1.7x teleconverter would extend its reach significantly all the way to 510mm. At such close focusing distance, the lens will have its reproduction ratio increased by the same multiplication factor of the teleconverter lens, so it will go from 0.24x to 0.41x with the 1.7x teleconverter. A nice option for occasional macro work for sure! NIKON D800E + 500mm f/4 VR @ 1000mm (2x TC), ISO 200, 1/250, f/13.0 By way of comparison, here’s how the bare lens performs around the same two focal lengths, specifically 105mm and 135mm: Thus the many small regions of localized softness you may see are not caused by the lens, but by the heat shimmer. The lens is accurately recording it. Lens construction- 6 elements in 4 groups (including 1 aspherical element and fluorine-coated front and rear elements)Detailed specifications for the teleconverter can be found in our lens database. Lens Compatibility I measured the sharpness of the Nikon 70-200mm f/2.8E FL VR, with and without teleconverters using Imatest, to see how its sharpness is affected. The three teleconverters used were the Nikon TC-14E III, TC-17E II, and the TC-20E III. The Nikon 70-200mm f/2.8E FL VR was set to 70mm at f/5.6, its sharpest focal length and aperture. With the three teleconverters, the focal length change was roughly equivalent to 100mm (1.4x), 120mm (1.7x) and 140mm (2.0x). Below are the results that I was able to obtain: If you don't have this card, if the card doesn't say "VALID IN THE CONTINENTAL UNITED STATES" or the serial number on the card doesn't match the one on the bottom of your teleconverter exactly, you got ripped off with a gray market version from another country. All legitimate cameras and lenses come with printed warranty cards, even if you prefer to register online. (The serial number on the outside of the box doesn't have to match, but if it doesn't it means you bought from a shady dealer who took cameras lenses out of boxes and then resold these used lenses cameras as new.)

For most people, these numbers don’t mean anything. I did the math to figure out the percentages and once I compiled the mean data, here is what I came up with:Nikon D7200 + Nikkor 300 mm f/4 PF + TC-14E-III. Без использования конвертера никаких нареканий (кроме своих кривых рук) у меня не возникает… А вот с конвертером начинаются проблемы. Я понимаю, что так или иначе резкость должна быть хуже, но еще и гораздо хуже становится работа автофокуса. Но вопрос даже не в этом, а в том, что при использовании конвертера иной раз при похожих условиях съемки вся серия получается не резкой в той или иной степени.