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16
Lenses / 35 & 85 or 50 & 100 for photographing kids
« on: May 05, 2013, 12:11:40 PM »
I have a Canon 5DIII and 24-70 II. I take pictures of my 21-month old daughter exclusively at this point. (I used to do more street, fine art, etc. but don't have time anymore and won't for the foreseeable future.)

I want to add a couple of fast primes for lower light work and shallower depth-of-field. I'm trying to decide between a 35 & 85 and a 50 & 100. My decision will be based on focal length preference, of course, but also on the quality/price/value of lenses available at those focal lengths.

I'm somewhat leaning toward 35 & 85, for a few reasons. First, from what I can tell, the Sigma 35/1.4 is probably the most highly regarded of all of the 35 and 50 autofocus lenses. Second, I like environmental portraiture and tend to shoot quite a bit indoors, so the wider perspective of the 35 might be a better fit there. Third, it seems the portrait options are better at 85 than at 100? The 85L II is legendary, and many agree that the Sigma 85 comes close to it at less than half the price.

On the other hand, 50 is a great focal length for general work and casual portraits, and the 50L has beautiful, creamy bokeh and a nice look. (I actually own the 50L now, and enjoy it.) The Canon 100/2, while not as highly regarded as the Canon 85L or Sigma 85, is still a great lens by most accounts.

I guess this also depends somewhat on my future lens plans. Frankly, the only additional lens I can imagine getting in the future (assuming my subject matter doesn't change) is a telephoto. I would probably either choose the 70-200 IS or the 135L.

Curious to hear if you have any thoughts about this choice? Thanks.

17
Has there been any indication whatsoever that Sigma is going to produce an updated 50/1.4 anytime soon? I've seen these rumors of a 24mm and 135mm, but other than the fact that we might expect a 50, have any rumors about it surfaced?

18
EOS Bodies / Re: Best way to clean dust off focusing screen of 5D3?
« on: February 17, 2013, 01:56:57 PM »
I'm in luck: a few puffs of the rocket blower removed it. I think it was on the mirror.

19
EOS Bodies / Best way to clean dust off focusing screen of 5D3?
« on: February 16, 2013, 05:52:18 PM »
There's a large, black speck of dust in the upper-right when I look through the viewfinder of my 5D3. I suspect (but don't know for sure) that it's on the focusing screen and not in the viewfinder itself.

Unfortunately, I'm pretty OCD about this stuff and I know that speck will drive me crazy even though it won't affect the pictures. Some folks here and elsewhere have described using a blower to successfully clear the dust. (I do have a Giotto Rocket Blower.) Can someone describe that procedure — especially with an eye toward minimizing the chances of introducing new dust?

20
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 29, 2013, 11:57:23 AM »
Hey everyone,

I already have a Sigma 35 and it is indeed an amazing lens.

But I tend to prefer the 50mm focal length. The Canon 50/1.4 has been okay, but it's rather uninspiring compared to the Sigma 35. Perhaps I'll just stick with the Canon until Sigma releases a new 50/1.4 in the art line. I noticed that they released a 30/1.4 Art lens for APS-C today, as well as 3 mirrorless Art lenses. Wish they would have done the 50/1.4 instead!

21
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 28, 2013, 11:37:02 PM »
The 50L needs to be used wide open, at f 2.0 - 2.8 the extra cost is for the bokeh.  Also focus shift can be an issues at those f stops. 

The 50L  is awesome, but damn you pay for that little extra.  Stopped down the 50/1.4 is 95%+ of the 50L.  I have no experience wit the sigma 50.

That's the problem: I primarily want to use the 50mm from f1.4 to f/2.8. I have the 24-70 II and it is amazing at f/2.8 and 50mm, so there's not much point in me having a fast 50 if I can't use it wide open.

22
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 28, 2013, 11:35:41 PM »

If your body has it, I'd set AFMA for about a four foot subject distance @f/1.4. Then shoot something at about 40 feet @f/1.4. If it's way OOF at 40 feet, knowing what I know now about the issue, I'd say just send it to Sigma USA as long as you like what you see at 4 feet. They now have a very good fix for this issue in my experience and if you like what you see at 4 feet its probably a copy worth keeping imo. 


This is very helpful, thanks.

23
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 28, 2013, 01:29:09 PM »
Thanks everyone for your replies. What I've gathered so far is:
— The Sigma 50/1.4 is probably the sharpest at f/1.4 of the bunch, and nearly a match for the 50L's bokeh
— The 50L has better build quality, weather sealing, bokeh and possibly microcontrast and color
— The Sigma is prone to AF issues

I have the Sigma 35 and it's an excellent lens. It did take two copies to get a good one, though; the first front-focused badly.

I'm trying to decide whether the additional cost of the 50L is worth it. Sounds like I might be better off trying for a good copy of the Sigma 50 first.

24
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 27, 2013, 11:56:17 AM »
The only time it doesn't produce results where its bristling with detail is when shooting wide open near MFD.


What happens at MFD wide open? Reason I ask is that I frequently find myself shooting at that distance.

Maybe I'll play the Sigma lottery and order one from B&H.

25
Lenses / Re: Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 27, 2013, 11:29:18 AM »
I was really hoping Canon would come out with a new 50/1.4, or that Sigma would update its 50/1.4 to the "Art line" with similar quality to their new 35/1.4. No luck on either front — so far, at least.


So am I. There is something for Canon or Sigma to win here. Let's hope 2013 will bring some news on that

What about things like micro-contrast and rendering? If the 50L does better in that arena, then images can appear more crisp and defined even if it's not strictly sharper.

26
Lenses / Which 50mm (with AF) is best from f/1.4 - f/2.0?
« on: January 27, 2013, 09:28:21 AM »
I currently own the Canon 50/1.4 but am disappointed with its performance from f/1.4 to f/2.0. At f/2.0 it sharpens up nicely, but what's the point of an f/1.4 lens that can't be used wide open?

Is the 50L any better in that range? I've read so many conflicting reports about the L. Some love it, others insist there isn't much of a difference (in sharpness, at least), between it and the 50/1.4.

Then there's the Sigma 50/1.4. I've heard it might be the sharpest of all at f/1.4, but it's extremely prone to AF problems (which I'm not willing to deal with).

I was really hoping Canon would come out with a new 50/1.4, or that Sigma would update its 50/1.4 to the "Art line" with similar quality to their new 35/1.4. No luck on either front — so far, at least.

27
Lenses / Re: Would you keep a lens that required +18 AFMA?
« on: January 09, 2013, 10:47:38 PM »
Also, each unit of AFMA is 1/8 the depth of focus. So, anything over |8| units of AFMA means the lens is outside the accuracy spec for the AF system.

That is very helpful, and intuitively makes sense to me as well.

28
Lenses / Would you keep a lens that required +18 AFMA?
« on: January 09, 2013, 08:28:39 PM »
Just bought the new Sigma 85/1.4. It requires a +18 AFMA on my 5D III. I'm concerned that if I ever get a new camera body, and it front-focuses even a little bit more, that I won't be able to adjust it.

What do you think?

29
Lenses / Re: Announcement on January 8, 2013? New Lenses [CR1]
« on: December 24, 2012, 10:19:09 AM »
If this rumor is indeed true (which we don't know yet), I think it can only be positive that there will be so many good options at 35mm: the new Sigma, the current 35L (aftermarket once the 35L II goes on sale), the 35L II, and for those that need IS, the 35 IS.

I have to say, though, that I would have been happier with an announcement for a 50L II or a 50/1.4 II. That's where I feel the Canon line-up needs more attention.

30
Lenses / Re: Canon EF 50 f/1.4 IS in 2013 [CR2]
« on: December 17, 2012, 11:34:30 AM »
Anyone care to hazard a guess when this theoretical lens might be announced? Photokina? Later?

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