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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 02 Nov 2009 (Monday) 18:14
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70-200 f/4 IS dilemma

 
iqfanatic
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Nov 03, 2009 04:53 |  #16
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at 1/15 I'm steady 2 of 3 shots so IS dont help me too much.

This is a link to a shot I took last night at 1/5 hand held standign on a stool to reach over an obstacle.
If you view the STAR in the center of the photo you will see there is no motion blur.
I shot with a 85mm on my 5D at 1/15.

http://iqfanatic.smugm​ug.com …82/701948927_Mj​t4p-X3.jpg (external link)


-Steve

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Jman13
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Nov 03, 2009 04:55 |  #17

You shoot the 135L at 1/15 and get tack sharp shots handheld? Challenge.

And, if you CAN...you should be able to shoot at 1/2 sec with the 100L and get the same sharpness.

I'm not saying the 100L is the better lens (though I think it's its equal)...I've owned both, I loved the 135L, and in fact have debated about getting it again (originally sold it because I owned it on a crop body only and it was a bit too long for me at the time). Wonderful image quality, but I disagree that it has any sort of significant image quality advantage over the 100L. Aperture, sure....if you need f/2, it's a no brainer. Image quality wise? Practically no difference between them, at least at the larger apertures. Actually, the small difference between the lens is much more apparent at smaller apertures, where the 135L has a little better extreme corner performance. Essentially identical over about 85% of the frame, and the 135L's stopped down corners are a little better...not a ton better, but a little. The 100L has the corner advantage at f/2.8, IMO.


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iqfanatic
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Nov 03, 2009 05:05 |  #18
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Jman13 wrote in post #8945642 (external link)
You shoot the 135L at 1/15 and get tack sharp shots handheld? Challenge.

And, if you CAN...you should be able to shoot at 1/2 sec with the 100L and get the same sharpness.

I did 2 of 3 shots at 1/15 but only 1 of 3 at 1/2 sec on either lens.

it takes practice, but one you learn and use the skill daily most people can.


-Steve

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nightcat
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Nov 03, 2009 05:50 |  #19

My answer to the original question... I have both the 200mm 2.8 L and the 70-200mm f4. Several tests I've done verify the 2.8 prime is sharper. Not only is the 200mm 2.8 sharper at f4, but the prime is sharper at 2.8 than the zoom is at f4 (but not by much). The zoom is very sharp however. I say keep the zoom and buy the prime. For general use, like parades or the zoo on a sunny day, the zoom can't be beat. For sports or portraits, the prime is far better. If I had to keep one, it would be the prime, but I wouldn't want to let go of either.




  
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iqfanatic
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Nov 03, 2009 06:04 |  #20
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at 1/15 I'm steady 2 of 3 shots so IS dont help me too much unles your unsteady, or if I go past 150mm.

Here's an example:

This is a link to a shot I took last night at 1/5 hand held standign on a stool to reach over an obstacle.
If you view the STAR in the center of the photo you will see there is no motion blur.
I shot with a 85mm on my 5D at 1/15.

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


Full Size Here:
http://iqfanatic.smugm​ug.com …82/701948927_Mj​t4p-X3.jpg (external link)


Here's another hand held shot with my old Rebel XSI and 28-300 L IS f/3.4 zoom one of canon's heaviest lenses at 1600 grams.

I DID have IS on, and it DID help.

At 28mm @ 1/2500 sec F/4 ISO 200
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


At 300mm @ 1/500 sec F/5.6 ISO 200

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


Canon suggests this 28-300 L on my old crop body XSI is more like a 50-500mm lens.

This might even make a good bird watching lens if it weren't $2500. lol
I sold it and my XSI to fund my 5D and 24L etc.

-Steve

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majipoor
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Nov 03, 2009 06:16 |  #21

I would keep the wonderfully sharp and lightweight 700-200 f/4 and buy a 135L with a 1.4xTC which can also be used on the 70-200 with excellent results in both cases.

You then have 70-200 f/4, 100-280 f/5.6, 135 f/2 and 190 f/2.8 with excellent IQ even with TC.

IS is not THE solution for low light: you can indeed handhold the 100L IS @ 1/15s, but at this shutter speed you most of the time will get blurry pictures due to subject motion blur when shooting portrait.




  
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mannyhan
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Nov 03, 2009 07:57 |  #22

I think 2.8 should be fast enoughts for basketball games or well lit stage events. Perhaps 200mm might be too long and 135mm might be a better option. If I need little longer reach will 1.4x extender work or will it slow down too much? I think with 1.4x it should be f/2.8?


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majipoor
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Nov 03, 2009 08:02 |  #23

1.4x TC works beautifully with the 135L which actually becomes a 190mm f/2.8 with very little degradation in IQ.




  
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mannyhan
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Nov 03, 2009 08:10 |  #24

majipoor wrote in post #8945841 (external link)
I would keep the wonderfully sharp and lightweight 700-200 f/4 and buy a 135L with a 1.4xTC which can also be used on the 70-200 with excellent results in both cases.

You then have 70-200 f/4, 100-280 f/5.6, 135 f/2 and 190 f/2.8 with excellent IQ even with TC.

IS is not THE solution for low light: you can indeed handhold the 100L IS @ 1/15s, but at this shutter speed you most of the time will get blurry pictures due to subject motion blur when shooting portrait.

Exactly what I was considering. Question is will 135L with 1.4xTC be too slow? ....and r@p (INVALID EMAIL) this is going to blow my budget by $300-$400 :(


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iqfanatic
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Nov 03, 2009 08:37 |  #25
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mannyhan wrote in post #8946229 (external link)
Exactly what I was considering. Question is will 135L with 1.4xTC be too slow? ....and cr@p this is going to blow my budget by $300-$400 :(

What is your budget? What are your goals?

PS: 135 f/2 on 1.4x TC is not f/2 anymore, yes 2.8 is a lot slower in terms of exposure results to photo paper.


-Steve

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majipoor
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Nov 03, 2009 13:30 |  #26

mannyhan wrote in post #8946229 (external link)
Exactly what I was considering. Question is will 135L with 1.4xTC be too slow? ....and cr@p this is going to blow my budget by $300-$400 :(

135L with TC is 190 f/2.8... it may be too slow depending on the conditions, but the only faster solution would be 200 f/2 which would blow your budget a little bit more :)

The advantage over the 200 f/2.8 or 70-200 f/2.8 is that you have the option to use it at 135mm f/2 which is one full stop faster.

And 200mm indoor is quite long: 135mm should be plenty enough.

But you may consider the 85L also ;)




  
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iqfanatic
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Nov 03, 2009 14:17 |  #27
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majipoor wrote in post #8948013 (external link)
But you may consider the 85L also ;)

talk about blowing the budget!


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zshaft
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Nov 03, 2009 23:36 |  #28

mannyhan wrote in post #8943055 (external link)
I need some advice. I currently have a nice sharp copy of 70-200 f/4 L IS lens. I would like some option for indoor shots. I am considering 2 options.
1 – Sell 70-200mm f/4 IS and replace it with a f/2.8 IS
2- Keep the 70-200mm f/4 and purchase a 200mm f/2.8
I love my 70-200 f/4 and being that it’s sharper lens then 2.8 should I even consider the upgrade or just get a 200mm f/2.8? I think cost would be similar. Anyone with similar dilemma?

I ever had that kind of dilemma like u. In this case, i chose 135L (note: before i have 70-200 f/4 IS, i already bought 85 1.8).
And i am very satisfied with it (135L & 85 1.8). I use these primes for wedding candid & indoor concert/ballet performance.
Considering 200mm 2.8, it's also a nice lens (even without IS --> put high ISO??), but it's too long for me instead of 135L.
:D


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sol95
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Nov 04, 2009 03:40 |  #29

i was in a similar situation.

i had the 70-200 f4IS.

then i also bought the 70-200 f2.8IS

after some use, i realised that with the f2.8IS, whenever i was shooting at f2.8, I was shooting mainly at the longer end.

so i sold the 70-200 f2.8IS and bought the 85 f1.8 and 200 f2.8L, and have been completely satisfied with my choice ever since.


Bodies: 5D mk III
Lenses: 50 f/1.2L | 85 f/1.2L II | 100 f/2.8L IS Macro | 17-40 f/4.0L | 24-70 f/2.8L II | 70-200 f/2.8L IS II
Accessories: 430EX II | TC-80N3 M43: Olympus E-PM1 | Olympus m.Zuiko 14-42 II R | Panasonic 14 f/2.5 | Panasonic 20 f/1.8 | Olympus m.Zuiko 45 f/1.8

  
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jkokbaker
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Nov 04, 2009 09:49 |  #30

I just sold my EFS 55-250 and bought a 70-200 F/4 IS. Should be here this weekend. I can not wait to check out this lens, I am so excited. Waiting for a new lens is just about the worst thing to wait for, seems like forever having to wait.


5D IV, Rokinon 14mm, Zeiss 21mm, Rokinon 24mm 1.4, Canon 24-105L, Speedlight 430EX II

  
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70-200 f/4 IS dilemma
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