reversing a lens for cheap macro

Started Aug 24, 2013 | Discussions thread
Michael Benveniste
Michael Benveniste Veteran Member • Posts: 3,685
Re: reversing a lens for cheap macro

Niko Vita wrote:

I think I will try with extension tubes, which I understand work well for small focal lengths. Maybe also with close-up filters with my zoom lenses. What about Hoya +4, which are available in the nearby store, do you know if they will keep the IQ? Is +4 enough or should I get +10?

Without knowing the type of subject you wish to shoot, I can't say what will be "enough" for you. The higher the magnification, the more difficult the challenges of vibration and lighting. All I can do is give you some rough numbers on maximum magnification:

All three "eBay/Meike" extension tubes: 0.56x

Canon 500D close-up lens: 0.89x

Marumi 330 DHG close-up lens: 1.2x

Hoya +4 close-up lens: 1.5x

Hoya +10 close-up lens: 3.32x

The Canon 500D and Marumi 330 are multicoated 2-element (achromatic) designs. The Canon is a well-established product with an excellent reputation. I own the Marumi -- it's very similar in quality and strength to the Nikon 6T.

The Hoya's are single-coated single-element designs. They are stronger but not as good optically. Century Optics makes a 2-element +7 close-up lens -- it costs about as much as your 55-300mm.

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