Fixed Aperture Zoom Lens

Fixed Aperture Zoom Lens. Web what are the advantages of a lens having a fixed maximum aperture? Web zoom lenses have two types of apertures;

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To achieve the widest possible aperture, you need to be at the widest possible zoom setting. When i zoomed in to 55mm, the widest aperture. Set the focal length to the shortest and then stop it down on the camera body.

And Are Also Heavier Than Variable Aperture Lenses.

Web not a number. Web jan 12, 2005 #1 archived from groups: For instance, sony makes these two lenses:

Web Fixed Aperture Zoom Lens | These Are Awesome!

I find a lot of. These numbers tell you whether the zoom lens has a fixed or variable aperture. The 3.5 and the 5.6, are referring to the maximum aperture the lens can achieve for.

Web Fixed Aperture Lenses Utilize More Sophisticated Lens Elements Than Variable Aperture Lenses;

Web what is meant by fixed aperture is that the maximum aperture does not change when the focal length changes. I absolutely love shooting on prime lenses, and here’s why: A lens with a wider maximum aperture is described as being faster than one with a smaller maximum aperture.

Being Able To Change The Aperture Regardless Of The Focal Length Means That The Photographer Has Much Greater Control Over The Photo.

Rec.photo.digital ( more info?) i'm shortly going to upgrade from a compact p&s (canon s40) to a canon dslr and have been pondering lenses. Web zoom lenses that have a variable aperture will show the maximum aperture range. Web fixed aperture lenses.

To Me Personally, This Is The Greatest Value Of A Fixed Focal Length Lens.

What's the difference and why does it matter? Nowadays, this is no more the cases. Web with fixed aperture lenses, the aperture is not affected by the zooming mechanism of the lens, and it stays constant throughout the focal length range.