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Archive 2012 · Focal Length question....

  
 
jake40509
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p.1 #1 · Focal Length question....


Hi guys, question for you. (This might actually get into the history of photography)

Okay...so, this is how my (warped) mind works....

Around 24mm or less = Landscape
Around 50mm = "Normal" ....pretty much similar to human vision
Around 85mm and greater = telephoto. Let's you reach out and get closer.

What is the "purpose" of a lens that has a focal length in the 25mm to 49mm range (i.e 35mm F/2 ) ?
From my perspective, it's not wide enough for landscape and too "far" for portrait.

Was there, historically, a specific reason to use a 35mm lens? ..for example.

Many thanks!
Jake



Jan 29, 2012 at 02:57 PM
wilt
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p.1 #2 · Focal Length question....


You are over analyzing this FL thing.

One simply has different FL to frame an area which one wants to include within the frame edges. If 50mm is not wide enough, and 24mm is too wide, you need something in between...it might be 28mm, it might be 35mm, it might be 40mm or whatever.




Jan 29, 2012 at 03:28 PM
jake40509
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p.1 #3 · Focal Length question....


wilt wrote:
You are over analyzing this FL thing.

One simply has different FL to frame an area which one wants to include within the frame edges. If 50mm is not wide enough, and 24mm is too wide, you need something in between...it might be 28mm, it might be 35mm, it might be 40mm or whatever.


Ah....yes. I tend to do that!
Thanks!

Jake



Jan 29, 2012 at 04:06 PM
runamuck
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p.1 #4 · Focal Length question....


You had iat with the first 3. No need to analyze any further than that.


Jan 29, 2012 at 05:10 PM
Smiert Spionam
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p.1 #5 · Focal Length question....


One of the things that many people like about the 35mm perspective (on 24x36 film or sensor) is that it's essentially a loose normal. Wide enough to give more context than a 50mm lens, but without any particularly strong perspective effects that exaggerate spatial relationships. I use a 35mm as my "normal" (whatever that means) a lot -- far more than a 50.

Much of the work of the 35mm masters was done with a 35mm lens on a Leica.



Jan 29, 2012 at 05:58 PM
carnac
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p.1 #6 · Focal Length question....


Plus a 35mm FL on a Canon 1.6 APS-C camera (like the 7D) yields an equivalent 56mm FL.

Also, I wouldn't limit myself to wide angle for landscape - depending on the landscape, even moderate telephotos can be great. I use my 70-200mm for landscapes all the time.

Jim



Jan 29, 2012 at 08:52 PM
arbitrage
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p.1 #7 · Focal Length question....


Richard Nye,
Whooah, this shot is confusing me, not to totally derail this thread but was this done in post or what It doesn't look like normal bokeh as it seems to be blurring on the same plane as the sharp grass at the bottom.



Jan 30, 2012 at 09:00 AM
TheWengler
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p.1 #8 · Focal Length question....


Looks like a reflection flipped over


Jan 30, 2012 at 09:35 PM
ngc7789
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p.1 #9 · Focal Length question....


Another way to think about it is that 35 is approximately one stop (square root of two) wider than 50 so it kind of fits naturally between 24 and 50.


Feb 01, 2012 at 07:06 AM
williamkazak
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p.1 #10 · Focal Length question....


When two or more people are in the pic, 35mm is nice. When you need a wide without much distortion, showing someone in a room it works.


Feb 05, 2012 at 12:52 AM
lovinglife
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p.1 #11 · Focal Length question....


Richard--awesome image...


Feb 05, 2012 at 12:58 AM
Richard Nye
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p.1 #12 · Focal Length question....


arbitrage wrote:
Richard Nye,
Whooah, this shot is confusing me, not to totally derail this thread but was this done in post or what It doesn't look like normal bokeh as it seems to be blurring on the same plane as the sharp grass at the bottom.



The photo is inverted. It's a photo of cattails in a pond with the reflection of a distant building in the pond. I was looking at the photo with a friend, and she recommended flipping it over, and I like it better that way. I just had a 20" X 30" printed on aluminum and it looks great!



Feb 05, 2012 at 11:10 AM





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