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Questions tagged [minimum-focus-distance]

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How is a lens's listed minimum focus distance affected by zoom?

I have a 55-210 zoom lens, and the specs show that the minimum focus distance is 1m. Does that distance remain constant if I use the zoom? Or does that change it? Thanks in advance!
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2answers
2k views

How do focal length, minimum focus distance, and magnification interact on a lens?

I have a question about zoom lenses that I can't find the answer. It's about these 3 concepts: Maximum Magnification (MM) Minimum Focusing Distance (MFD) Longest Focal Length (let's say LFL :) ) On ...
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4answers
1k views

Why there are so few lenses with small minimum focus distance?

My superzoom compact camera Canon Powershot SX60 HS has advertised minimum (closest) focus distance of 0 cm, and many other compacts have this in a couple cm range. But for my micro four thirds ...
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2answers
854 views

What is the relationship between focal length and minimum focus distance?

If I know the focal length of a lens, How can I know the minimum focus distance? I have checked several webpage, but I am still wandering is there a formula? http://imaging.nikon.com/lineup/dslr/...
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5answers
4k views

Why are some big telephoto lenses so expensive compared to telescopes?

I'm looking at an ad for a used Canon 1200mm f/5.6L EF USM Autofocus Lens where they are asking $180,000. Yes, that's not a typo. I don't get it. I'm an amateur astronomer and I know I can buy a ...
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3answers
434 views

Why can lenses only focus from so close? [duplicate]

I have always wondered, why is it that a lens can only focus from so far away from the subject? I know some lenses have a kind of macro switch which basically allows them to focus closer but why are ...
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4answers
932 views

Should Minimum Focus Distance be high or low for better macro photography?

What is best for macro photography high or low minimum focus distance (MFD) ? where to find this information on a lens/camera and how should i read it ?
2
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1answer
1k views

How do I calculate what the working distance will be with a macro reversed lens setup?

Once I got hooked up on macro photography and bought a 105mm 1:1 macro lens. I really like the lens and it also gives me a decent working distance. However, I started being obsessed with getting ...
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5answers
1k views

Does crop factor increase the minimum focus distance?

I currently have a Canon 100mm 2.8L mounted on a cropped sensor camera, which makes it 160mm equivalent. I have two questions. Since the equivalent focal length is 160mm, does that mean that the ...
13
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1answer
3k views

How does Nikon measure “minimum focus distance” for Macro/Micro lenses?

This question is about Nikon SLR terminology. The answer could be different for non-SLR cameras, or for different maker. The "minimum focusing distance" in the spec — it's measured and listed between ...