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Dumb question: Why do people want fast lenses ??

Started May 7, 2010 | Discussion thread

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Calm_natured

Regular Member • Posts: 228

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Dumb question: Why do people want fast lenses ??

May 7, 2010

No matter what lens (50mm, 105mm) I have on my D700, I'm very rarely at the largest aperture since the depth of field is soooo shallow.

I'm usually happiest around f5.6 minimum and up.

I mean, I've shot portraits (by mistake) at f2 and whilst the eyes have been in focus, the nose, or peak of a hat hasn't or the hair at the back of the head hasn't.

Sure, there are people out there who shoot in dark conditions, but then it's over to ISO to fix that.

What's the deal ?

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Post (hide subjects)	Posted by	When
Dumb question: Why do people want fast lenses ??	Calm_natured	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	EricLew	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Calm_natured	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	EricLew	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	noirdesir	May 8, 2010
Re: Dumb question: Why do people want fast lenses ??	Muntz	May 10, 2010
Re: Dumb question: Why do people want fast lenses ??	jsm12345	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Ilkka Nissilä	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	EricLew	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Andy Warren	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	jl_smith	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	mngsmt	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	CFynn	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	mngsmt	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	coudet	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Calm_natured	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	EricLew	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Peter Mueller	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	ajmeeker	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Calm_natured	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	MarkCav	May 8, 2010
Re: Dumb question: Why do people want fast lenses ??	Robin Casady	May 9, 2010
Shallow DOF, fast shutter, low light, IQ (nt)	Kaj E	May 7, 2010
Because they like fast cars and fast women...	gonzalu	May 7, 2010
I think it's time for an example - taken 35mm at f2.2	Calm_natured	May 7, 2010
You're missing the point.	jl_smith	May 7, 2010
Re: You're missing the point.	Calm_natured	May 7, 2010
Re: You're missing the point.	dannv	May 7, 2010
You chose the wrong aperture... not the lens	Alan Brown	May 8, 2010
taken 35mm at f3.2	Boris	May 7, 2010
Nice capture !	Calm_natured	May 7, 2010
Re: Nice capture !	Boris	May 7, 2010
Re: Nice capture !	AvertedVision	May 7, 2010
Ok, now i can see you are really kidding	mngsmt	May 7, 2010
not enough in focus	sting	May 9, 2010
Re: I think it's time for an example - taken 35mm at f2.2	pocketfulladoubles	May 14, 2010
Sports, nature, night scenes, DOF	BackInTheGame	May 7, 2010
Related to your shooting style ... (NT)	Yves P.	May 7, 2010
because most of people thinks much too slowly... (nt)	yann19	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	pc168	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	vaxn8r	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	pc168	May 8, 2010
Re: Dumb question: Why do people want fast lenses ??	Wapiti	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	SNRatio	May 7, 2010
Aperture, DOF and distance to subject	eNo	May 7, 2010
Re: Aperture, DOF and distance to subject	Paul Spatafora	May 7, 2010
Re: Aperture, DOF and distance to subject	eNo	May 7, 2010
Re: Aperture, DOF and distance to subject	ClaudeD	May 7, 2010
Re: Aperture, DOF and distance to subject	eNo	May 7, 2010
Re: Aperture, DOF and distance to subject	ClaudeD	May 8, 2010
Re: Dumb question: Why do people want fast lenses ??	joseph costa	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	perpetua	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	joseph costa	May 7, 2010
Thanks for those examples - they help me to understand better	Calm_natured	May 7, 2010
Re: Thanks for those examples - they help me to understand better	joseph costa	May 7, 2010
Here's an example J Costa	Calm_natured	May 7, 2010
Re: Here's an example J Costa	joseph costa	May 7, 2010
Re: Here's an example J Costa	perpetua	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	sting	May 9, 2010
Low light focus, brighter viewfinder, shallow DOF	lwiley	May 7, 2010
Naive answer: Gives us more freedom to compose	SNRatio	May 7, 2010
thanks, that was what I was coming around to thinking (n/t)	Calm_natured	May 7, 2010
Background and focusing speed	Ednaz	May 7, 2010
This was actually a question about photography and not hardware	Douglas K Fejer	May 8, 2010
What a nice comment - thanks Doug.	Calm_natured	May 9, 2010
Re: What a nice comment - thanks Doug.	Douglas K Fejer	May 9, 2010
Some fast lenses not so good stopped down	Ednaz	May 9, 2010
Sports photography	Catatac	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	Franka T.L.	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	perpetua	May 7, 2010
Just wanted to say a BIG thank you for all the answers you gave	Calm_natured	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	munro harrap	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	munro harrap	May 7, 2010
Re: Dumb question: Why do people want fast lenses ??	sdyue	May 7, 2010
DOF isn't aperture	tko	May 7, 2010
Calm_natured, about your picture...	perpetua	May 8, 2010
Agree - and some more possible adjustments	SNRatio	May 8, 2010
Narrow DOF only available to pros or those with money.	Richard	May 8, 2010
Some made with fast primes, for fun :)	perpetua	May 8, 2010
35/1.8DX,50/1.8,85/1.8??: Narrow DOF only available to pros or those with money.	SNRatio	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	vagtanklan	May 9, 2010
for instance, for situations like these...	marco1974	May 9, 2010
Re: for instance, for situations like these...Nice	westpix	May 9, 2010
Re: for instance, for situations like these...	sting	May 9, 2010
Re: for instance, for situations like these...	perpetua	May 10, 2010
Different tastes, different needs	Leo "Zoom"	May 9, 2010
Focusing	KenEis	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	RicAllan	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	Calm_natured	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	sting	May 9, 2010
Re: Dumb question: Why do people want fast lenses ??	perpetua	May 10, 2010
Re: Dumb question: Why do people want fast lenses ??	Robin Casady	May 10, 2010
Re: Dumb question: Why do people want fast lenses ??	RicAllan	May 10, 2010
Re: Dumb question: Why do people want fast lenses ??	thanhuy	May 11, 2010
Re: Dumb question: Why do people want fast lenses ??	tomboy	May 15, 2010
Re: Dumb question: Why do people want fast lenses ??	1vwGTIdriver	May 15, 2010
Re: Dumb question: Why do people want fast lenses ??	tyb	May 15, 2010

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