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<p>[QUOTE="benveniste, post: 1784363, member: 25547"]I'm not a fan of teleconverters for macro use. A teleconverter works by taking a crop from the center of the image created by the lens and then expanding that crop to once again fill the frame. They work best with longer lenses, which is why Nikon designs its current teleconverters to only allow mounting of a handful of lenses. Other brands of teleconverters don't have this restriction, but still recommend against using them on lenses shorter than about 100mm. I haven't used the Vivitar you purchased, but the 2x teleconverters I used from that era are of indifferent quality.</p><p> </p><p>I hate to be the bearer of bad news, but I honestly feel this is a "buy once/cry once" situation. With a D50 or a D3x000, you can spend ~$200 and get a 105mm f/4 AI and a cheap set of extension tubes from eBay. That'll give you some nice optics that require a fully manual workflow including exposure. Or you can spend ~$450-$550 on one of several excellent lenses (Nikon 60mm f/2.8, Nikon 85mm f/3.5 VR, Tamron 60mm f/2, Tamron 90mm f/2.8, Tokina 100mm f/2.8, Sigma 70mm f/2.8). Not only are each of these lenses far easier to use, but they come with a warranty and are great when you want to photograph things which move faster than coins <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />.[/QUOTE]</p><p><br /></p>
[QUOTE="benveniste, post: 1784363, member: 25547"]I'm not a fan of teleconverters for macro use. A teleconverter works by taking a crop from the center of the image created by the lens and then expanding that crop to once again fill the frame. They work best with longer lenses, which is why Nikon designs its current teleconverters to only allow mounting of a handful of lenses. Other brands of teleconverters don't have this restriction, but still recommend against using them on lenses shorter than about 100mm. I haven't used the Vivitar you purchased, but the 2x teleconverters I used from that era are of indifferent quality. I hate to be the bearer of bad news, but I honestly feel this is a "buy once/cry once" situation. With a D50 or a D3x000, you can spend ~$200 and get a 105mm f/4 AI and a cheap set of extension tubes from eBay. That'll give you some nice optics that require a fully manual workflow including exposure. Or you can spend ~$450-$550 on one of several excellent lenses (Nikon 60mm f/2.8, Nikon 85mm f/3.5 VR, Tamron 60mm f/2, Tamron 90mm f/2.8, Tokina 100mm f/2.8, Sigma 70mm f/2.8). Not only are each of these lenses far easier to use, but they come with a warranty and are great when you want to photograph things which move faster than coins :).[/QUOTE]
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