Tamron TC-X14 / TC-X20 teleconverter review

Summary

Both new teleconverters from Tamron extend the reach of the Tamron 70-200/2.8 VC G2 without compromising image quality likewise much. For best results it's advisable though to close the aperture by one stop to f5.6 with the Atomic number 43-X14 and f8.0 with the TC-X20. The build quality of Tamron's teleconverters is really hot and exposure and focus worked cleanly in my test.

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Tamron TC-X14 / TC-X20 teleconverter review

• 17th Border district 2017
• Written by

With their sec multiplication telephotograph zooms Tamron also offers two new 1.4x and 2x teleconverters (dubbed TC-X14 and TC-X20) which are specifically designed to work with the SP 70-200/2.8 VC G2 and the SP 150-600/5.0-6.3 VC G2. I had the chance to extensively test the Tamron SP 70-200/2.8 VC G2 (model A025) with the TC-X14 and TC-X20. They let this zoom-lens get hold of a maximum focal length of 280mm and 400mm respectively. But as every teleconverter magnifies the flaws of a Lens information technology is riveting to see how big the compromise in look-alike tone is (in addition to losing one or cardinal stops of central ratio) when shooting with a teleconverter.

For details on how the new zoom-lens from Tamron performs without teleconverter head over to my Tamron SP 70-200/2.8 VC G2 review.

Take note: The TCs leave not work properly with older Tamron lenses as either the aperture will not be actuated (on the Nikon rendering) or AF will conk out (Canon version).

Above: Tamron teleconverter Tc-X14 (left), TC-X20 (flop)

Sharpness and contrast with 1.4x teleconverter

Following are the results with the 1.4x converter at 150mm, 200mm, and 280mm compared to the image quality without teleconverter and the results of the Nikon 70-200/2.8E VR with Nikon Technetium-14E 3 at the same focal lengths. Processing of the images as usual and all crops shown at 100%.

Let's have a look at the carrying into action at 150mm focal length first:

Tamron 70-200/2.8 VC G2 + TC-X14 slam with Nikon D810 at 150mm;
100% crop from center, APS-C/DX-corner, FF/FX-corner

Preceding: 150mm, f4.0

Above: 150mm, f5.6

Above: 150mm, f8.0

Above: 150mm, f11

Undermentioned is a comparison with the lens without teleconverter at 150mm, f4.0:

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 150mm, f4.0

Higher up: Tamron 70-200/2.8 VC G2 at 150mm, f4.0

Clearly the Tamron produces the sharper image without teleconverter, particularly in the center and the FX/FF-corner. But the operation with 1.4x teleconverter is still pretty good. Stop down to f5.6 and the Tamron with teleconverter becomes steady cardsharper than w/o TC at f4.0.

Performance at 200mm:

Tamron 70-200/2.8 VC G2 + TC-X14 shot with Nikon D810 at 200mm;
100% crop from center, APS-C/DX-corner, FF/FX-corner

Above: 200mm, f4.0

Above: 200mm, f5.6

Above: 200mm, f8.0

Higher up: 200mm, f11

Shadowing is a comparison with the competition at 200mm, f4.0:

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 200mm, f4.0

To a higher place: Tamron 70-200/2.8 VC G2 at 200mm, f4.0

Above: Nikon 70-200/2.8E VR +1.4x TC at 200mm, f4.0

At 200mm the Tamron and the Nikon look nearly indistinguishable when used with their respective 1.4x teleconverter with a slight advantage for the Nikon in the center. But the Tamron without Trusteeship Council once again is better across the sensor.

Carrying into action at 280mm:

Tamron 70-200/2.8 VC G2 + TC-X14 snap with Nikon D810 at 280mm;
100% crop from center, APS-C/DX-tree, FF/FX-corner

Preceding: 280mm, f4.0

Above: 280mm, f5.6

Preceding: 280mm, f8.0

Above: 280mm, f11

Following is a comparison with the competition at 280mm, f4.0:

In a higher place: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f4.0

Above: Nikon 70-200/2.8E VR + 1.4x TC at 280mm, f4.0

At 280mm the inexperient Tamron is a tad less sharp and contrasty than the Nikon specially exterior the halfway. Stopping low-spirited to f5.6 helps a great deal.

Overall Tamron's new 70-200mm zoom fares beautiful well with Tamron's new 1.4x teleconverter. It's virtually up on that point with the new Nikon 70-200/2.8E VR plus 1.4x teleconverter and if you can stop down to f5.6 the results are really good at every tested  focal distance.

Sharpness and contrast with 2.0x teleconverter

The Tamron TC-X20 converts the Tamron SP 70-200/2.8 VC G2 into a 140-400mm f/5.6 soar up. For comparability therein case at 150mm, 200mm, 290mm, and 400mm I use the results of the new Tamron with the 1.4x converter and the Nikon 80-400/4.5-5.6G VR ii. As the Nikon was guessing on a D800 with emollient AA-filter I used a stronger sharpening of 70/0.5/36/10 to make those crops comparable.

Let's get a load at the performance at 150mm focal length first:

Tamron 70-200/2.8 VC G2 + TC-X20 shot with Nikon D810 at 150mm;
100% crop from revolve around, APS-C/DX-corner, FF/FX-corner

Above: 150mm, f5.6

Above: 150mm, f8.0

Above: 150mm, f11

Following is a comparison with the competition at 150mm, f5.6:

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 150mm, f5.6

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 150mm, f5.6

Supra: Nikon 80-400/4.5-5.6G VR 2 at 150mm, f5.6

With the 2x teleconverter the new Tamron is comme il faut moderately low-toned at f5.6. Better to stop down to f8. The superior of the Tamron with 1.4x Trusteeship Council is clearly better as is the Nikon 80-400/4.5-5.6 VR ii without TC.

Public presentation at 200mm:

Tamron 70-200/2.8 VC G2 + Atomic number 43-X20 shot with Nikon D810 at 200mm;
100% crop from midway, APS-C/DX-corner, FF/FX-corner

Above: 200mm, f5.6

Above: 200mm, f8.0

Preceding: 200mm, f11

Following is a comparison with the competition at 200mm, f5.6:

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 200mm, f5.6

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 200mm, f5.6

In a higher place: Nikon 80-400/4.5-5.6G VR ii at 200mm, f5.6

At 200mm we get similar results as at 150mm although the prototype quality of the Tamron with 2.0x Technetium looks a little wagerer at 200mm than at 150mm.

Performance at 290mm:

Tamron 70-200/2.8 VC G2 + TC-X20 shot with Nikon D810 at 290mm;
100% crop from center, APS-C/DX-street corner, FF/FX-corner

Supra: 290mm, f5.6

Above: 290mm, f8.0

Above: 290mm, f11

Shadowing is a compare with the competition at 280/300mm, f5.6:

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 290mm, f5.6

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f5.6

Above: Nikon 80-400/4.5-5.6G VR ii at 300mm, f5.6

At 290mm the Tamron with 2x TC has shut the gap to the alternatives even surpassing the results of the Tamron with 1.4x TC extracurricular the center and also looking better than the Nikon (w/o Technetium). That's quite impressive!

Performance at 400mm:

Tamron 70-200/2.8 VC G2 + TC-X20 shot with Nikon D810 at 400mm;
100% crop from meat, APS-C/DX-corner, FF/FX-box

Above: 400mm, f5.6

Above: 400mm, f8.0

Above: 400mm, f11

Tailing is a comparison with the competition at 400mm, f5.6:

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 400mm, f5.6

Higher up: Nikon 80-400/4.5-5.6G VR cardinal at 400mm, f5.6

At 400mm and f5.6 the new Tamron suffers a bit from balance spherical aberrations showing in the get down contrast. Inactive the level of point is comparable to the Nikon in the APS-C/DX image-circle and even surpasses the competition in the FF/FX-corner.

All-in-entirely using Tamron's Technetium-X20 with Tamron's new 70-200mm zoom along gives you double the reach of the zoom without teleconverter without compromising envision quality too much. In comparison it fares best at the long end and you should contain down to f8.0 at the short end if you can.

Long-distances performance with teleconverter

The Siemens-star test-targets are shot at a distance of 40x central duration (i.e. at 16 m for 400 mm focal length). But performance of lenses likewise depends on the shooting length. Therefore I present another series of test-shots of a city-scape around 1km forth. Processing was cooked in Lightroom 6.8 from RAW at Adobe Standard settings. Randomness-reduction is set to 0, sharpening to 35/0.5/36/10, with no additive tone, operating room saturation-adjustment. There's no tinkering with sketch-control so you see it hither A it is produced by the lens. I used AF in reverberant view at the largest aperture and did not change focus for other apertures.

You can click on each image to access the large original. Delight respect our right of first publication and only use those images for personal practice.

The main figure of speech shows the complete scenery to give you an impression of the view angle. You can access the respective shots at variant apertures via the links beneath the independent image. All shots with the 1.4x Trusteeship Council were made at ISO 64 while I secondhand ISO 200 connected the shots with 2.0x TC. VR was switched off and I used mirror-up and electronic basic curtain to avoid any vibration from the television camera. Following the main picture are 100% crops from the center, the APS-C/DX-corner and the FF/FX-corner from the hot Tamron.

Let's start with the 1.4x teleconverter at 280mm focal duration:

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f4.0; also available at f5.6, f8.0, f11

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f4.0; 100% craw from marrow, DX-corner, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f5.6; 100% crop from center, DX-corner, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 1.4x Trusteeship Council at 280mm, f8.0; 100% crop from center, DX-corner, FX-corner

Supra: Tamron 70-200/2.8 VC G2 + 1.4x TC at 280mm, f11; 100% crop from center, DX-street corner, FX-corner

The performance with 1.4x teleconverter is pretty good even at f4.0. Stopping down to f5.6 improves the center. The performance in the FF/FX-corner seems to deteriorate at the same time. But this depression comes from the +0.7 EV high brightness of the corner at f5.6 over the corner at f4: if you grow both crops to the assonant luminousness they come along equally sharp.

Here's the Tamron 70-200/2.8 VC G2 with 2.0x teleconverter at 270mm central length:

To a higher place: Tamron 70-200/2.8 VC G2 + 2.0x TC at 270mm, f5.6; also in stock at f8.0, f11, f16

Higher up: Tamron 70-200/2.8 VC G2 + 2.0x Trusteeship Council at 270mm, f5.6; 100% crop from center, DX-tree, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 270mm, f8.0; 100% range from pith, DX-corner, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 270mm, f11; 100% crop from middle, DX-box, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 2.0x Atomic number 43 at 270mm, f16; 100% cut back from center, DX-recess, FX-tree

Shooting at the same focal length but with the 2.0x teleconverter reveals that the boilers suit quality and contrast suffers substantially wide open, which is now f5.6. The image is silent usable but you can easily meet how much sharper the guesswork at f8.0 is even at only 50% magnification.

Here's the Tamron 70-200/2.8 VC G2 with 2.0x teleconverter at 400mm focal length:

Higher up: Tamron 70-200/2.8 VC G2 + 2.0x TC at 400mm, f5.6; also available at f8.0, f11, f16

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 400mm, f5.6; 100% crop from center, DX-corner, FX-recess

In a higher place: Tamron 70-200/2.8 VC G2 + 2.0x TC at 400mm, f8.0; 100% cultivate from center, DX-recession, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 2.0x TC at 400mm, f11; 100% crop from center, DX-corner, FX-corner

Above: Tamron 70-200/2.8 VC G2 + 2.0x Trusteeship Council at 400mm, f16; 100% crop from nerve centre, DX-nook, FX-corner

Again, the combination of the Tamron 70-200/2.8 VC G2 with the Technetium-X20 teleconverter produces very usable results straight wide open at f5.6 right up into the corners of a full-soma detector. Stopping behind to f8 did not improve the image quality by overmuch sol you can shoot wide agape and enjoy the benefit of a shorter shutter speed.

Finding of fact

Both new teleconverters from Tamron extend the accomplish of the Tamron 70-200/2.8 VC G2 without compromising image quality overmuch. For unsurpassed results it's advisable though to close the aperture by one stop to f5.6 with the TC-X14 and f8.0 with the TC-X20. The build quality of Tamron's teleconverters is very solid and vulnerability and focus worked flawlessly in my test.

For details happening how the new zoom-lens from Tamron performs head over to my Tamron SP 70-200/2.8 VC G2 review. Operating theatre if you came here reading that review already head back down to the last chapter in it: Sample images.

At that place's also a section on how both teleconverters perform with Tamron's longest telephoto zoom in my Tamron SP 150-600/5.0-6.3 VC G2 review.

Tamron TC-X14 / TC-X20 teleconverter review

Source: https://www.cameralabs.com/tamron-tc-x14-tc-x20-teleconverter-review/

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