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Affordable Micro lens, is this good?


marco_de_biasi

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<p>Hi there,</p>

<p>tight budget, around $150. I'm looking for an acceptable micro lens for a friend of mine, I saw this one: http://amzn.com/B0012X43P2<br>

<br />price is in the range, but have no idea how good it is.<br>

I need it for a D3100, mainly to take around, I don't think it will be used on a tripod or with a release shutter.<br>

Subject can be: nature (insects, flowers) or interesting textures. I was gonna tell her about also an extension tube, maybe a combination of lense+extension?</p>

<p>Thanks for any help.<br>

Best,<br>

Richard</p>

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<p>This lens can go down to 1:2, it's not a great performer though. It will AF on the D3100 according to description, which is something most 2nd hand lenses will not do. And the viewfinder of the D3100 isn't the most pleasant for manual focus.<br>

The problem is that you're really better off spending a bit more (something like the 85 f/3.5 DX Macro), and saving up longer might be more worth it. As a temporary cheap option, check for screw-in macro diopters instead. Those will cost a lot less than this lens, and allow your friend to save up for a good long-term solution instead.</p>

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<p>If you want an affordable macro lens for your D3100, consider the Nikon 40mm/f2.8 DX AF-S macro. However, even that is almost twice as much as the $150 Sigma lens. Whether a 40mm lens meets your needs is another issue.</p>

<p><a href="/equipment/nikon/lenses/40mm-f2.8-af-s-dx-micro/review/">http://www.photo.net/equipment/nikon/lenses/40mm-f2.8-af-s-dx-micro/review/</a></p>

<p>True macro lenses are designed for close focusing. I have the Nikon 24-120mm/f4 AF-S VR. It can focus very close, but at close range, it is nowhere as sharp as my 105mm/f2.8 macro lenses. In other words, you can use extension rings, but it is not as good.</p>

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<p>for flowers and still things... nothing beats an old used Nikkor 55mm f3.5 or f2.8 AI. very cheap, in that range. You have to guess exposure (no AF, no metering) but believe it or not, they'll work great for you.</p>

<p>For insects, you need a whole lot more, mostly in terms of knowing how to handle the insects.</p>

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<p>None of the standard telephoto to normal zoom lenses that I know of that claim "macro" capability are true, 1:1, macro lenses. However, depending on what you mean by <em>macro</em>, they may serve reasonably well as "close focus" lenses. Good enough for flowers and teddy bears, but not for closeups of insect eyes, etc.<br>

If you want "real" macro, something like the Tamron 90mm f/2.8 mentioned is an excellent lens at a reasonable price. Otherwise, a close focus zoom can serve quite well.</p>

<p>Also, cheaper alternatives include simple +diopter ('filter') lenses, or more sophisticated work with bellows or extension tubes with a reversed prime lens. Start at http://www.photo.net/learn/macro/primer , but Google™ is your friend.</p>

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<p>I should have mentioned another route:<br /> there may be used, older Nikon-mount macro lenses (Nikon sometimes calls them "Micro" for reasons best known to them) that will work on your camera body, but check the compatibility chart at http://www.nikonians.org/reviews?alias=nikon-slr-camera-and-lens-compatibility . MF, as such, is not such a problem, since most real macro work calls for the accuracy of manual focus - it's just too hard for the AF to figure out what YOU want in focus. As you get closer, the need for a tripod or other holder becomes greater, too.</p>

<p>However, as you will note in the chart and its footnotes, the D3100 is not the most flexible of Nikon cameras in accepting older lenses. Check your manual and the chart above, before going that route.</p>

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<p>The old Tamron 90mm macros in Adaptall 2 mount are excellent lenses. In fact there is one on eBay for for Nikon AI mount for $165. I'm not permitted by Photo.net policy from posting a direct link, but if you just put this in eBay's search engine you'll find it:</p>

<p>"Tamron SP Tele Macro 90mm f2.5 Adaptall 2 Nikon AI"</p>

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<p>I didn't do a lot of macro-photography, and am no expert, so keep that in mind.</p>

<p>When I wanted to try out if macro was for me, I had a lot of fun with my cheap-ass 50mm/1.8, and a reversing-ring that enabled me to turn that that 50mm around and mount it 'the wrong way'. It exposes the back elements of the lens, and if those get damaged it will seriously affect image quality, but since the lens is the cheapest nikkor available, I thought it was a risk worth taking.<br>

I looked them up on B&H's site, but I'm sure other shops have them as well; http://www.bhphotovideo.com/c/buy/Reversing-Rings/ci/3065/N/4077634538<br>

And with step-up/-down rings you can use lenses with other size front-threads as well. Though I'd stick to a small and light one just to be on the safe side...</p>

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<p>You can use a cheap reversing mount to attach say a 50mm normal lens to your body via the filter thread. To protect the rear element cut the bottom out of a rear lens cap to use as a bumper as you are likely to be close to the subject.<br /> Try different focal lengths this way to find a working distance you are happy with.</p>

<p>I own the Tamron SP90 f2.8 Di and the Micro-Nikkor 105mm Ai-s, they are both outstanding but my vote goes to the SP90 as it is a stellar portrait lens too.<br /><br /></p>

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<p>on that budget, i almost think you're better off with a point and shoot with built-in stabilization than the sigma. while it can do 1:2 macro (only at 300mm, it appears), it has extremely cheap build quality, which makes it very light and thus subject to camera shake. which means that at telephoto lengths, you're gonna have to raise the shutter pretty high, while still maintaining deep DoF. also, you can expect a lot of distortion and chromatic aberration from a cheapo lens. not an optimal situation if you're trying to do handheld macros. a lens with a shorter focal length will be more stable and less subject to camera shake at extreme magnification. but an inexpensive P&S has the benefit of close-focus and built-in DoF due to smaller sensor. a stabilized one might allow you to take blur-free close-up images handheld. <a href="http://www.amazon.com/Fujifilm-FinePix-S8200-16-2MP-Digital/dp/B00ATM1NAU/ref=sr_1_3?s=electronics&ie=UTF8&qid=1390950346&sr=1-3">this</a> fuji, for instance, has a stabilized lens, 40x optical zoom, and focuses to within 1 cm. of course, a dedicated macro will offer better IQ and less distortion, but then you also have to address the stability/camera shake issue as well as camera compatibility and possible loss of AF.</p>
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<p>Wow, thank you all for helping I wasn't expecting so much help!<br>

I'll go through all the replies, as it seems there's a lot of information on these pages.</p>

<p>In the meantime, the lens on the D3100 is the lens kit, the 18-55mm.<br>

I thought to the extensions tube but I forgot about the diopters. That could be a good solution actually as will be faster to use than the extension.<br>

But first I'll read all your replies. Thanks a lot.</p>

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<p>The 18-55mm has quite a good close focus already @ 55mm. Is it the VR version? I'd be tempted to actually go down the route you thought of way back at the beginning....Extension Tubes! No extra glass to get grubby or scratched.</p>

<p>Bizarrely Nikon don't make a set. However, Kenko and Polaroid do make Auto AF and Metering tubes. There seems to be a quality issue with the much cheaper Polaroid set, so go and try a set in the shop first! Experiment with the tubes, ie different tube lengths at different zoom settings. I'd reckon the thin or medium tube @ 55mm will cover most of your friends needs. You loose infinity focus, but the image quality will be as good as your original lens. The exposures will get a bit longer so be aware of camera shake and maybe bump-up the ISO.</p>

<p>NB. Manufacturers call tubes 'AUTO' when they only allow Auto Exposure Metering not Auto Focus aswell. Check for both. Macro is often done in manual focus, but having the AF option is handy...:-)</p>

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