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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 15 Feb 2015 (Sunday) 20:01
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Canon 85 1.8 or 100 2.0

 
Charles ­ Brown
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Post edited over 4 years ago by Charles Brown. (3 edits in all)
     
Feb 17, 2015 06:50 |  #16

I've used all three lenses discussed in this thread (85/1.8, 100/2, and 135/2) to shoot gymnastics.

The decision of when to use which was based mostly on the focal length needed for the situation. Occasionally, and especially with older digital cameras (of more than 10 years ago), the limited light would force me to use the 85/1.8 even when I would have preferred to use the longer focal lengths.

The 1.8 made a difference. Some respondents here have dismissed this difference as negligible. That may be true with the higher ISO capabilities of cameras today, but with cameras that introduced distracting noise at any ISO greater than 1,600, the 1.8 was an enabler where smaller apertures failed. Nowadays however, with cameras producing relatively clean files at ten times the ISO (eg. I've shot at 16,000 ISO recently) the difference between 1.8 and 2.0 probably is negligible.

With the newer cameras (specifically the 1DX) I rarely use any of these primes to shoot gymnastics anymore (although I still have them in my bag), because the 2.8 zoom is so much more efficient at reframing the action shots. I hear that the 7D2 is good up to 6400. In that case, I would still use primes to keep the shutter speed higher.

Your best bet is to base your decision on your access to the apparatus during competition. If you have close access, then definitely get the 85/1.8. Images with cropped off body parts just don't look right. Even if only a few toes or fingertips are missing, the shot looses something, unless really cropped in tight. Even then, it is best not to chop off the hands, as the shape of the hands and fingers are expressive and communicative, like facial expression. We view the athlete's strength, tension, grip, poise, por de bras, dance, and action by mentally, even if subconsciously, observing the hands.

If a longer focal length forces you to cut off those hands too often, it is better to choose a shorter focal length if you cannot step a few feet further back without a coach or another athlete or another parent passing between you and your intended target (which invariably happens right at the peak moment).

No need to base a decision on what the lens barrel is made of. The barrel doesn't make the picture. It's the optics and the aperture that puts the light on the sensor.

You can't go wrong with either the 85 or the 100 as far as optics (they are very similar) are concerned, but you also can't make the hole behind the 100 as big as the 85, nor can you easily rebuild cut off fingers and pointed toes in Photoshop for every frame either. On the other hand, if the 100 will put more pixels on your kid, given the distance you are limited to shooting from, then longer will make more sense.

The point is, the choice is better based on your shooting situation, not a forum fed lens reputation.




  
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ScPhotoMom
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Feb 17, 2015 06:54 as a reply to  @ Charles Brown's post |  #17

The gym I would shoot in most has limited room. I am guessing that would make the 85 the better purchase for me.


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artyH
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Feb 17, 2015 09:21 as a reply to  @ ScPhotoMom's post |  #18

The 85 has very fast AF. Is the AF as fast on the 100? I wanted the 85, since I already had a 100F2.8 macro lens, and I also wanted the F1.8.




  
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l89kip
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Feb 17, 2015 10:43 |  #19

The AF on 85 1.8s is fast and accurate. My copy is sharp wide open. Have no experiences with 100 2.0.


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Feb 17, 2015 11:25 |  #20

artyH wrote in post #17435822 (external link)
The 85 has very fast AF. Is the AF as fast on the 100? I wanted the 85, since I already had a 100F2.8 macro lens, and I also wanted the F1.8.

The 100 f2 focuses fast, very comparable to the 135L.

I shot a level 10 gymnast with a 60D+100/2 combo and I was pretty happy. The OP's 7D2 will pair up great with the 100/2.


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yogestee
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Feb 18, 2015 05:01 |  #21

artyH wrote in post #17435822 (external link)
The 85 has very fast AF. Is the AF as fast on the 100? I wanted the 85, since I already had a 100F2.8 macro lens, and I also wanted the F1.8.


True. The EF 85mm f/1.8 is a focusing speed demon. I have both the 85 f/1.8 and 135L which pair nicely.


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ChrisNL
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Post edited over 4 years ago by ChrisNL.
     
Feb 19, 2015 23:40 |  #22

GeoKras1989 wrote in post #17435579 (external link)
I had the 85 1.8 and 135L. Sold them both to be happy with the 100 f/2. Different strokes, I suppose.

Me too, exactly! The 100F2 is a killer lens for environmental portraits. I often use it for outdoor publicity shoots. (Vignetting added in post here.)


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genjurok
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Feb 20, 2015 10:39 |  #23

I've had 85 f/1.8 , 100 f/2 and 135L and now still have 100 f/2.
85 f/1.8 and 100 f/2 are twins, pick either is fine as they're too similar. I kept 100 f/2 because I have 50mm so 85 feels a bit too close to 50.


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Canon 85 1.8 or 100 2.0
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