Good Primes for a 7D?

I just bought a 7d as back up to my 5d2 and was wondering if anyone has any insight on good performers for the 7d?

I don't have time to test all my lenses for a wedding this weekend, but I'm thinking of putting my 85L on it to get a longer focal length (shots look good so far) and sticking my 35L on my 5d2.

So far, I'm loving the 7d, I think it's an appropriate sibling to my 5d2.

Thank in advanced,

I see someone on my flickr account go hard with the 35L. The 85L will be perfect also, but since you have a 5D I say go for the 135L its the perfect portrait focal and the 135L on your 7D will be since for you to do sports.

I don't see why there would be any lenses that would specifically be good on a 7D. A good lens is a good lens. If you are getting good results with a lens on your 5D, it will certainly perform well on your 7D, just appear to be 1.6x longer and have 1.5 stops more DOF.

tkbslc wrote in post #10521668
I don't see why there would be any lenses that would specifically be good on a 7D. A good lens is a good lens. If you are getting good results with a lens on your 5D, it will certainly perform well on your 7D, just appear to be 1.6x longer and have 1.5 stops more DOF.

I was thinking the same thing.

tkbslc wrote in post #10521668
I don't see why there would be any lenses that would specifically be good on a 7D. A good lens is a good lens. If you are getting good results with a lens on your 5D, it will certainly perform well on your 7D, just appear to be 1.6x longer and have 1.5 stops more DOF.

I mean, that's what I would figure, but I've read in the past certain lenses performing better on a FF camera, so my backwards logic kicks in.

But this is just forum talk as I haven't really researched so I thought I would ask.

MigsVuitton wrote in post #10521740
I mean, that's what I would figure, but I've read in the past certain lenses performing better on a FF camera, so my backwards logic kicks in.

But this is just forum talk as I haven't really researched so I thought I would ask.

Well, you've got EF-S lens that are really good and affordable that you can't get with the FF cameras.

EF-S 60mm Macro
EF-S 17-55 IS (sorry Zoom)
EF-S 10-22 (sorry Zoom).

Maybe use a 24Lii on the 7D to get close to the 35mm focal length? and pop that baby on to the 5D when you want wider shots?

-David

MigsVuitton wrote in post #10521740
I mean, that's what I would figure, but I've read in the past certain lenses performing better on a FF camera, so my backwards logic kicks in.

But this is just forum talk as I haven't really researched so I thought I would ask.

Well this is true..sortaish...some lenses will be better on FF because the lower pixel density will require less sharpness across the frame...

On the opposite, some lenses perform better on crop because you're taking the corners out of the picture and using the best spot on the lens...the center

Really though, with primes, they'll all rock on the 7D or 5DII

if you dont have a 100L, I found it works great on the 7D

EF-S 60mm f/2.8
EF 300mm f/2.8
EF 400mm f/5.6 (Budget option)

If it weren't for the fact that you are using the 7D as a backup for a 5d2 (which I assume rules out EF-S lenses) I too would have recommended the 60mm. It is an amazing little lens on the crops and it is priced right.

tkbslc wrote in post #10521668
I don't see why there would be any lenses that would specifically be good on a 7D. A good lens is a good lens. If you are getting good results with a lens on your 5D, it will certainly perform well on your 7D, just appear to be 1.6x longer and have 1.5 stops more DOF.

This. Glass is Glass

KenjiS wrote in post #10521771
Well this is true..sortaish...some lenses will be better on FF because the lower pixel density will require less sharpness across the frame...

On the opposite, some lenses perform better on crop because you're taking the corners out of the picture and using the best spot on the lens...the center

Really though, with primes, they'll all rock on the 7D or 5DII

if you dont have a 100L, I found it works great on the 7D

Thank you! Makes sense and I appreciate the bit of explanation.

For me 35 L on 5D II and 100 L on 7D if I'm shooting primes, or maybe the other way around depending on what I'm shooting. All of my L lenses are great on both formats.

The 7D pixels are 4.3 microns square. The Bayer filter limits the effective filter size to about double that - 8.6 microns. This is a small blur circle, so extracting the ultimate image quality means you want to look at _extremely_ sharp lenses.

I've done some experimenting with several I own and have borrowed. The 70-200 II, 300f/4L (IS type) and the 400/5.6L are all astonishing. In star tests, I found that the 70-200 II was producing 2*2 pixel square points over almost the entire field - essentially the lens is outresolving the camera! Each of these works great with the 1.4x tc however you will loose autofocus with the 400mm / tc combination.

I haven't star tested the other two (yet) however quick tests indicated that they were quite a bit sharper.

At the other end of the scale, I've used the 17-40L and 50/1.4 Sigma. Both are great, particularly when stopped down a little. The Sigma 50/1.4 needed -12 dialed into in the micro-focus adjustment but it's otherwhise quite fine.

I love my siggy 30 on my 7D!

Why not get the 24L II. I've resurrected my 450D ( I know it's not even in the same league as the 7D ) with this baby.