How is a zoom aperture fixed?

Let’s learn how is a zoom aperture fixed. The most accurate or helpful solution is served by nikonusa.com.

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Zoom Lens Maximum Aperture: Fixed and Variable Apertures

Showing more articles like Zoom Lens Maximum Aperture: Fixed and Variable Apertures Remove this filter. A ... On most zoom lenses the maximum aperture will change as ...

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Does a Nikon fixed aperture zoom take better pictures?

If I make an exposure at f11 1/640 with fixed aperture Nikon zoom lens and then I take the same scene with the same settings but with a variable aperture Nikon zoom then will the two photos have the same quality?

Answer:

Under the same circumstances they will be nearly the same, give they are shot at the same focal length...

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SLR Zoom Lens Depth-of-Field?

When a zoom lens has a fixed aperture of f/3.5-5.6, does that mean your depth-of-field will remain the same as you zoom in? since your aperture increases as you zoom??? And for a ...show more

Answer:

That is a variable aperture zoom. 3.5-5.6 A fixed aperture is 1.8 The variables that effect depth of...

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Why ignore the minimum aperture?

Good day to you! I have noticed that under the product descriptions of lenses online, companies almost never lists the minimum aperture (largest f-stop) of a lens. Do they assume I don't care? I believe that film cameras do not have the issue of diffraction...

Answer:

--This is nothing new. Look in any vintage lens guides. Nobody has ever listed the minimum aperture...

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Why is f-stop not based on actual aperture size?

Recently, I learned that f-stop is actually based on the entrance pupil size (the size of the pupil as it appears through the front of the lens where it may look magnified), not the true aperture size. Why is this, isn't the absolute size of the aperture...

Answer:

The aperture is measured as a fraction of the focal length as the focal length determines from what...

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Is it okay to zoom during video with a variable aperture lens?

So I own a Canon t2i rebel and use a EF-S 18-135mm f/3.5-5.6 lens. I use my camera to shoot video... but I recently read that because this lens has "variable aperture" i should not film the zooming I do. Do some pro shooters still allow their...

Answer:

If you don't even notice, why would you stop zooming? Do what you want to do, don't listen to people...

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Why does the aperture change as you zoom in?

I'm totally new to photography and lens. I notice on an typical Canon 18-55 lens, as I zoom in , the aperture closes. why? would it over expose if the aperture stays open? i just don't understand why you can't keep the aperture open when you zoom in...

Answer:

The technical answer get's into a long winded discussion in geometry and physics but, the short answer...

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Can i change aperture on minimum zoom?

Canon s95 have f1.8(w) and f4.9(T) aperture values. I just wonder if it is available to set aperture value to f8.0 at wide. As i understood, f1.8 stands it has maximum aperture of f1.8 but it can be reduced to f11 at the minimum zoom level of 28mm.

Answer:

If you have aperture control you should be able to set any available f/stop at any zoom position. Remember...

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Would you pick better Macro & zoom or wider aperture & wide angle lens?

I am picking a digital camera between the Canon Powershot ELPH 300 or 310. The 310 has 1cm macro capability in comparison to the 3cm or the 300, but the lens on the 300 is 24mm f/2.7 aperture and the 310 has a 28mm f/3.0 aperture.. The 310 also has ...

Answer:

They are both very similar cameras, and the most significant change in the ELPH 310 from the ELPH 3...

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Why is it that Zoom lens with a larger continuous aperture are so expensive?

I've been looking at Zoom lens with a f2.8 aperture at both ends of the zoom range. These seem to be the most expensive lens. I'm just starting to learn photography. I've ...show more

Answer:

As a retired professional, I was concerned regarding this same question you raise in the text of your...

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