70-200mm with closeup filter enough to capture mosquitoes up and close?

10 months 3 weeks ago #752877 by Will Thomas
I want to photograph mosquitoes and currently have a 70-200mm, if I get a closeup filter, will that be enough to get up and close to capture sharp images of a mosquito?  


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10 months 3 weeks ago #752879 by Screamin Scott
Unlikely. Especially with the cheap single diopter 3 pc set. That said, it all depends on what you find acceptable...

Scott Ditzel Photography

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10 months 3 weeks ago #752881 by TCav
For that, you'll need a macro lens and either a teleconverter or exension tubes.

Even good close-up lenses will decrease the contrast significantly in order to get the magnification you'll need. And even cheap close-up lenses big enough for a 70-200 lens will be expensive.


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10 months 3 weeks ago #752929 by Ozzie_Traveller
G'day Will

As someone who regularly uses close-up lenses onto zoom lens may I respond ...
1)- firstly the item is NOT a filter because it does not alter the colour or tone of the image, -and- it is curved causing the focus to be set by the curvature of the glass.  The item is a Close-up Lens !
2)- As to actual close-up lenses, regrettably there are damn-awful cheapies out there and also some real-beaut-mate ones out there.  For a good lens, expect to pay $1 per mm of diameter for a single-element lens and maybe $1,50 per mm for a 2-element lens
3)- For your 70-200 I would recommend a "+2 dioptre lens which will focus at 1/2-metre max to 1/3-metre minimum"
4)- I do not know the mm filter-size of your lens so can't offer much beyond 'look at genuine / well known brands

Hope this helps ... with close-up image using a close-up lens attached for comparison. The subject is the Aussie "Golden Orb" / Nephila spider, female in its web.  Lens to subject distance 'about 1/3-metre'
Phil


Phil from the great land Downunder
www.flickr.com/photos/ozzie_traveller/sets/

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10 months 3 weeks ago - 10 months 3 weeks ago #752960 by Razky

Will Thomas wrote: I want to photograph mosquitoes and currently have a 70-200mm, if I get a closeup filter, will that be enough to get up and close to capture sharp images of a mosquito?  

The correct term is close-up lens, or diopter (it doesn't filter anything.)
Edit: Wrote that before reading Ozzie's explanation - my apologies, Oz.
You'd be better off using a reversed prime lens of from, say, 20 to 50mm, probably combined with an extension tube or two or, better yet, on a bellows - you're talking some pretty tall magnification ratios here.


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10 months 3 weeks ago - 10 months 3 weeks ago #752964 by TCav
A good many 70-200mm lenses are quite sharp in the center of the composition throughout their zoom range, but the sharpness often tends to fall off as you examine the image closer to the edges and corners.

Unfortunately, many close-up lenses, even expensive ones, suffer from the same lack of sharpness the farther from the center you look, compounding the corner softness inherent in the lens they're used with.

Macro lenses, on the other hand, are excellent at producing images that are sharp edge-to-edge, and extension tubes don't change that.

If you're only concerned about center sharpness, then you might be satisfied with good (expensive) close-up lenses. But if your intended subject will occupy more than just the center of the image, then close-up lenses on your current conventional lens(es) will not serve you well.


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10 months 3 weeks ago - 10 months 3 weeks ago #752973 by TCav
I just checked Adorama. All 70-200mm lenses use either 72, 77 or 82mm filters.

This is a link to all of Adorama's 72, 77 and 82mm close up lenses:

www.adorama.com/l/Photography/Lens-Filte...=close%2Bup%2Bfilter

I would skip over the Vivitar ones.


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10 months 3 weeks ago #753048 by Roman Omell
Better off getting a 105mm or 100mm macro lens


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