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24-70 2.8 L lens

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  • 24-70 2.8 L lens

    Is there a sweet spot when it comes to aperture on this lens? I know for zoom, its around 40-45mm
    Pat
    5D, 5DMKIII | lenses 50 1.2, 35 1.4, 17-40 f/4, 70-200 2.8 II, 15mm - MY WEBSITE Fan me on Facebook!
    You don't have to be the best, you just have to be better than last week" - Jerry Ghionis

  • #2
    According to this, it;s actually best "overall" at the wide end (24-30mm)
    I am responsible for what I say; not what you understand.
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    • #3
      Looks like F8-11 is the sweet spot for just about any focal length from those charts.
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      • #4
        I was hoping that was not the case...oh well. Does Canon make a zoom lens that is always sharp?
        Pat
        5D, 5DMKIII | lenses 50 1.2, 35 1.4, 17-40 f/4, 70-200 2.8 II, 15mm - MY WEBSITE Fan me on Facebook!
        You don't have to be the best, you just have to be better than last week" - Jerry Ghionis

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        • #5
          The 70-200 f/4L is considered by many to be the sharpest lens in the L series lineup and I can say that I don't disagree. It is tack sharp throughout the entire focal length with no exceptions that I can see. That is if you do get a good copy I know quality control has been in flux throughout the years...
          Flickr | www.law-photography.com | Gear: 1957 Hasselblad 500c, EOS Elan II, Canon 5Dc (Gripped) w/Ee-s, Tammy 28-75mm 2.8, 50mm f/1.8II, 85mm f/1.8, 135L

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          • #6
            I have been hearing the same exact thing. re the quality. I would only use the 70-200 outside, so I think I would be OK with F/4 - and I have also heard that the quality is not as great - been hearing whispers about the 50D as well, with noise issues. Have you had that problem...
            Pat
            5D, 5DMKIII | lenses 50 1.2, 35 1.4, 17-40 f/4, 70-200 2.8 II, 15mm - MY WEBSITE Fan me on Facebook!
            You don't have to be the best, you just have to be better than last week" - Jerry Ghionis

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            • #7
              Originally posted by private View Post
              Is there a sweet spot when it comes to aperture on this lens? I know for zoom, its around 40-45mm
              A friend of mine has a copy of "The Brick" and he's really not happy with the image quality he's getting from it. Says it's the softest L lens he has.
              Originally posted by private View Post
              been hearing whispers about the 50D as well, with noise issues.
              The noise issue thing with the 50D started as soon as it was introduced. But I think it's high ISO noise issues (that almost every other camera will have problems with). If you keep the ISO down to normal levels the noise problem is almost non-existent.

              You have the 50D...aren't you happy with it? Big step up from a XTi.
              Last edited by Samanax; 09-23-2009, 03:59 AM.
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              • #8
                Digital Picture 24-70 Review

                Hope that helps. I'm kind of dissappointed to hear that you guys are having problems with soft L lenses. Being a minigearhead I kind of had my list of wants planned out. And next was either the 24-70 or more likely the 70-200 2.8. =(
                Canon XTi: 50/1.8, Sigma 18-50/2.8, Canon 24-70/2.8L
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                • #9
                  my 24-70 could be sharper IMO. The 50D gets noisey in the shadows at ISO 400, it might just be my exposure settings tho...

                  but if the light is really good, I hardly get any noise. I am gonna have the camera look at in JAn after the busy season...and same with the lens. But I will say that my nift fifty is pretty dang sharp, and it fell down a mountin and I had to "pop"it back in place so it would focus...so I am sure my 24-70 needs some owrk also...
                  Pat
                  5D, 5DMKIII | lenses 50 1.2, 35 1.4, 17-40 f/4, 70-200 2.8 II, 15mm - MY WEBSITE Fan me on Facebook!
                  You don't have to be the best, you just have to be better than last week" - Jerry Ghionis

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                  • #10
                    Originally posted by private View Post
                    But I will say that my nift fifty is pretty dang sharp, and it fell down a mountin and I had to "pop"it back in place so it would focus...so I am sure my 24-70 needs some owrk also...
                    A prime lens will generally be sharper than a zoom lens because it has lens elements for the light to pass through before it gets to the sensor.

                    The 50D has micro adjustment...have you tested to see if the 24-70 is front or back focusing?

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                    • #11
                      Hi private...im having the same gear as you are having and since im new to both cam and the lens im still trying to get the feel of both of them but yu are right about having an ISO at 400 in 50D is sure has a lot of noise...that is why as much as possible i go down to 200 or 100 min always as my ISO. and im still trying to find the sweetest spot on the brick. i have some nice and some blur. it has been my lens since i got it 2 months ago. but still im happy with it.
                      Can I share you some of my photos? Just leave a comment a word or two would do.MyPhotos

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                      • #12
                        In all honesty I have not had any problems with my 24-70, most of my studio work for the band I just shot (check out my flickr to see the work) was done with the lens and I could not be happier.

                        This was shot with the 24-70 through glass, low light, and slow shutter speed at the zoo (no pp done on it) :


                        Eye of the Viper

                        However I am concerned with the 50D's noise issues... in a side by side comparison I noticed that the 40D performs better throughout the ISO ranges especially near (800-1000)
                        Flickr | www.law-photography.com | Gear: 1957 Hasselblad 500c, EOS Elan II, Canon 5Dc (Gripped) w/Ee-s, Tammy 28-75mm 2.8, 50mm f/1.8II, 85mm f/1.8, 135L

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                        • #13
                          Originally posted by private View Post
                          I was hoping that was not the case...oh well. Does Canon make a zoom lens that is always sharp?
                          Actually according to some tests it is said that the 28-70 f2.8 has been this kind of lens before ist was replaced with the 24-70 f2.8. That's a shame, but the 24-70 is still superbe I would say. Actually in numbers the don't seem to differ that much so I don't know if this story is really true.

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                          • #14
                            at ISO 400, I should not have that much noise. my XTI did better, IMO. I will get it looked at in Jan
                            Pat
                            5D, 5DMKIII | lenses 50 1.2, 35 1.4, 17-40 f/4, 70-200 2.8 II, 15mm - MY WEBSITE Fan me on Facebook!
                            You don't have to be the best, you just have to be better than last week" - Jerry Ghionis

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                            • #15
                              I love my 28-70 f/2.8 L but my Nikon 24-70 f/2.8 G is better (IMO). I think Canon will update the 24-70 with its Subwavelength Structure Coating (SWC).

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