http://www.nikonchat.com/nikkor-tele/
this work with my glasses?
He is in the picture and still no answers I thought I'd try here I have a Tamron 70-300mm lens and a Nikkor 18-55mm lens is mounted tele-converter and even auto focus with both my D40? http://www.amazon.com/Pro-Optic-Multi-Coated-Tele-Converter-Autofocus-Shutterbug/dp/B000NVO7K0/ref=sr_1_13 ? ie = UTF8 & s = photo & qid = 1241408482 & SR = 1.13
It could, but the cons as not worthwhile. First with a teleconverter 2x two diaphragms lose everything, that means your 70-300 f/4-5.6 becomes a 18-55 f/5.6-8 and to become a f? -8. Second most definitely loose AF or the remote possibility of its not yet be painfully slow. The viewfinder is dimmer and take action photos or even have a shutter speed fast enough to counteract camera movement will be difficult to 300 mm in all but the best lighting conditions. Now for image quality. Even the Canon and Nikon 2x Teleconverters used with the top line of glass products questionable results, no matter one-third lower end zoom teleconverter with a very cheap brand. You will probably see an incredible loss of image quality with a greater amount of chromatic aberration. My advice if you have not guessed is to keep your money. And again this is assuming that even works with the lenses that you may not. If you use tele stick to 1.4 x marks Nikon or Kenko good as you. First make sure that even though your glasses are compatible. Teleconverters are best used with lenses of first and a high quality zoom like the 70-200 mm f / 2.8. Sorry, but I prefer saved his money, which ended with a product if it works it will be very satisfactory.
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