make sure you check nikon web site to see if it work with your lens.

made my 300mm f2.7 to 520 mm

price will not work with all lense

After reading the reviews, and recognizing there is little cost between the 1.4 and the 1.7x, I decided to get the 1.7 for my 70-200. My goal was primarily taking pictures of birds, and I knew I had to get closer to get better shots than I was getting.

I have not tried the new 2x but I've heard the 1.7 was the best overall lens and I can say it works perfect for me. no distortion, f stop is still fine for any thing outdoors or well lit indoors.

I bought a TC-17E II as a used product from a respected online vendor. After using it with my Nikkor 200-500mm zoom lens for a bit over a year I came to the conclusion that perhaps the converter needed to be serviced, so I sent it back to Nikon and they found the converter to meet factory standards,...

Attached to the Nikon 105mm f/2.8 G ED VR macro lens, I get super sharp images without loss of detail. When taking the shot of the first attached image, my hands are a bit shaky, but the VR of the 105mm lens was able to recover and gave me a blur free image.

It was hard enough justify $1600 on a 70-200 2.8 VR lens, spending $5500 for a 200-400 F4 VR was out of the question. Still there are times when 200 isn't quite enough reach to get the picture you want. The $420 for a TC-17E was a compromise that I could live with.

Extends focal length of certain Nikon lens by a factor of 1.7 at a cost of 1.5 F stops; Makes a 70-200 2.8 a 120-340 4.8.

Works with a limited number of Nikon's catalog of lens

I would rate the 1.4TC as the only TC that will yield excellent results across the board. The 1.7 is a good compromise, but dont expect it to yield tack-sharp results on every lens. You need to stop many lenses down at least two stops when using this TC to achieve max sharpness.

Good reach; works flawlessly with top-quality glass

Not as sharp as 1.4TC

Very nice accessory for a relatively fast lens (2.8 or less). Somewhat expensive, but excellent optical clarity. A great way to nearly double your reach with only a small penality in light loss.

The converter is very easy to use, and with Nikon's modern lenses it enables all functions; Optics are excellent, and very little is lost in sharpness; The 1.7 is a very nice middle ground between the 1.4 and the 2.0.

The converter is expensive; and a little inconvenient if you are in a hurry

like a lot of photographers, I'm looking to cut down on carrying everything including the kitchen sink. this lens takes up very little space but it packs a punch. Its the first thing into the holdall. Should have bought it years ago.

Durable; Easily Interchangeable; Lightweight; Rugged; Strong Construction

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