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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 08 Mar 2018 (Thursday) 07:05
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Longer lens hood for 24-70

 
Vitoflo
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Mar 08, 2018 07:05 |  #1

Hi,

I am considering purchasing 24-70 f/4 and I found out that it has the short lens hood while the f2.8 has the longer one:

https://upload.wikimed​ia.org …s/7/77/CanonEF2​4-70mm.jpg (external link)

What would be the benefit of having the longer lens hood?

I understand a longer hood will be visible in the 24-50mm range, correct?

Thanks




  
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oldvultureface
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Mar 08, 2018 08:45 |  #2

Depends on which camera you have, i.e., field of view. Short hood for full-frame, long hood for APS-C.




  
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Vitoflo
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Mar 08, 2018 09:16 |  #3

Ok, I found out that the longer hood is for the first version of the 24-70 2.8 which zooms at 24mm while newers do at 70mm.

Now, I must admit that I was struck by the quality of the sample images produced by the 24-70 first version.

I hope the f/4 version is on the same league.




  
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Nick5
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Mar 08, 2018 09:17 |  #4

Which 24-70 f/2.8 L are you comparing lens hoods to? Version 1 or 2.
Without having either f/2.8, I do like the smaller size hood for my f/4 L IS. I am sure there is a reason why the f/4 L IS Hood is smaller than the f/2.8's without getting "too Techie".
No reason to go larger.
The f/4 L IS is a darn nice lens.


Canon 5D Mark III (x2), BG-E11 Grips, 7D (x2) BG-E7 Grips, Canon Lenses 16-35 f/4 L IS, 17-40 f/4 L, 24-70 f/4 L IS, 24-105 f/4 L IS, 70-200 f/2.8 L IS II, 70-200 f/4 L IS, 100-400 f/4.5-5.6 L IS, TS-E 24 f/3.5 L II, 100 f/2.8 L Macro IS, 10-22 f3.5-4.5, 17-55 f/2.8 L IS, 50 f/1.4, 85 f/1.8, Canon 1.4 Extender III, 5 Canon 600 EX-RT, 2 Canon ST-E3 Transmitters, Canon Pixma PRO-10 Printer

  
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apersson850
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Mar 08, 2018 10:08 |  #5

I don't have any 24-70 mm f/2.8 lens. But I do have the EF 24-105 mm f/4L IS II USM, and had the EF 24-105 mm f/4L IS USM before that. For these two, the lens hood designed for the EF-S 17-55 mm f/2.8L IS USM fits fine. No vignetting on full format, but quite a bit better protection of the front lens than with the hood that accompanies the two 24-105 lenses.

The design of the EF 24-70 f/2.8L USM is quite unusual. Almost all other lenses get longer when set to longer focal lengths. So does the EF 24-70 mm f/2.8L II USM. But the fact that the first version works in the opposite way, combined with that the hood is sitting on a part of the lens which does not move during zoom operation, means a much larger hood can be used. Note that the total length of that lens, with the hood included, doesn't change during zooming.


Anders

  
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SkipD
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Post edited 3 months ago by SkipD.
     
Mar 08, 2018 10:09 |  #6

Vitoflo wrote in post #18580315 (external link)
......... the first version of the 24-70 2.8 which zooms at 24mm while newers do at 70mm.

Would you please explain the comment in bold? It does not seem to make sense as written. Both lenses can be zoomed through their entire focal length range. Maybe your definition of "zoom" is something unique?


Skip Douglas
A few cameras and over 50 years behind them .....
..... but still learning all the time.

  
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Tom ­ Reichner
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Mar 08, 2018 10:24 |  #7

Vitoflo wrote in post #18580315 (external link)
Ok, I found out that the longer hood is for the first version of the 24-70 2.8 which zooms at 24mm while newers do at 70mm.

SkipD wrote in post #18580341 (external link)
Would you please explain the comment in bold? It does not seem to make sense as written. Both lenses can be zoomed through their entire focal length range. Maybe your definition of "zoom" is something unique?

.
I couldn't understand that sentence either. . I've read it again and again and again and it still doesn't make any sense to me.

It would help if some explanation, or re-wording of the sentence, or some clarification were provided so that we could understand exactly what was meant.


.


"Your" and "you're" are different words with completely different meanings - please use the correct one.
"They're", "their", and "there" are different words with completely different meanings - please use the correct one.
"Fare" and "fair" are different words with completely different meanings - please use the correct one. The proper expression is "moot point", NOT "mute point".

  
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apersson850
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Mar 08, 2018 10:30 |  #8

He means that the old lens is physically longest at the 24 mm setting, but the mark II version is the opposite. Longest at the 70 mm setting, just like almost every other lens.


Anders

  
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Vitoflo
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Post edited 3 months ago by Vitoflo.
     
Mar 08, 2018 12:18 |  #9

apersson850 wrote in post #18580359 (external link)
He means that the old lens is physically longest at the 24 mm setting, but the mark II version is the opposite. Longest at the 70 mm setting, just like almost every other lens.

Yes this is it.

I'd like to talk about the image quality of the f/4 IS. Usual comments on the 2.8 version (especially the MK I) are about its unique character and color for portrait while the f/4 IS is said to be sharper.

I must say I would use the f/4 for portrait mainly but cannot afford the 2.8 version.




  
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Longer lens hood for 24-70
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