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FORUMS Cameras, Lenses & Accessories Canon Lenses 
Thread started 23 Dec 2006 (Saturday) 07:04
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lens for 5D

88 posts
Joined Dec 2006
Location: Jackson Center, Ohio
Dec 23, 2006 07:04 |  #1

I just purchased a 5D, 580 EX and lens 24/105F4L IS. I read a lot about the 24/70 F2.8. I do studio work, and weddings. Did I make a mistake. What are the advantages of the one over the other.
Thanks and have a Merry CHRISTmas.


96 posts
Joined Nov 2006
Location: Portsmouth, UK
Dec 23, 2006 07:29 |  #2

There are many 24-105L vs 24-70L threads on this forum, have a search around. I think it all comes down to what you shoot and what techniques you use.

The 24-105 offers a slow(ish) f4 all the way with image stabilizing, meaning you can shoot below-average shutter speeds, handheld while maintaining sharpness.

The 24-70 offers a fast f2.8 throughout which achieves great looking bokeh and shallow depth of field (ideal for portraits), no image stabilizing, but is faster anyway so offers a faster shutter speed at all focal lengths, compared to the one above.

Its a difficult choice, but for me, I'd go for the 24-70. I have a steady hand anyway, and being able to have faster shutter speeds is a better advantage to me, than to be able to handhold at slower ones.

Cream of the Crop
20,476 posts
Likes: 164
Joined Dec 2002
Location: Southeastern WI, USA
Dec 23, 2006 07:46 |  #3

A very distinct advantage of the 24-70 (and its predecessor the 28-70) is the combination of lens design and the lens hood design.

The lens extends physically when you adjust it for a shorter focal length and retracts when you adjust it for a longer focal length.

The lens hood is a very deep design. It mounts to the non-moving body of the lens rather than to the moving portion of the lens. With the lens at 70mm, the front element of the lens is very deep in the hood. With the lens at 24mm, the front element is much closer to the front edge of the lens. Thus, the lens hood is optimal for all focal lengths and will do a far better job of blocking stray light from the lens than any other zoom lens' hood will do.

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

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lens for 5D
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