Do we still "need" fast lenses ?

Started 6 months ago | Discussions thread
primeshooter
primeshooter Veteran Member • Posts: 4,952
Re: Do we still "need" fast lenses ?

vyoufinder wrote:

primeshooter wrote:

vyoufinder wrote:

You pretty much nailed it. The only real reason for fast lenses nowadays is bokeh isolation. A secondary reason could be for opening up brighter on dSLR's to help see. For any other purpose, you generally get better image quality with a slower lens which has fewer/thinner glass elements inside.

And when you are shooting a moving subject in lower light and are unable to use flash, sports, wedding...please explain how a slow aperture and vr would help and why "they are just for bokeh".

Not the same picture. I would not adjust my aperture based on the amount of light, I'd adjust my ISO or film speed. Adjusting aperture is more like a desperate measure to get something at all, but isn't the same as having a subject entirely in focus. It's kind of the point of the OP is that there is no need to get desperate with opening up beyond what you want to with a modern camera.

The ability to open up and isolate something is a great tool, but it's not for every picture and is not the only reason for a full frame camera.

Raising iso lowers IQ much faster than my idea...you aren't making much sense here...fast glass isn't just for bokeh. What you have wrote in this post is just ridiculous. You wrote and I quote: The only real reason for fast lenses nowadays is bokeh isolation. I just showed you that this is indeed not the case.

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