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Old 22nd of September 2008 (Mon)   #1
7up
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Arrow ((( Sharpest F-stop ( Aperture )- for all lenses )))

I want all of you to help me to make this small table about Sharpest f-stop ( Aperture ) for all the canon lenses .

this will be helpful to find Sharpest F-stop for any lens , just like (Depth of field) table

if you have infomation about Sharpest F-stop ( Aperture ) of any lens bellow , just tell me and I am gonna edit the list below

for example : EF 24-105 f/4 ISL ------- f/5.6 ( this is only example Maybe it`s wrong )

and if I forgot a lens just tell me and it will be add bellow



Canon
EF-S 10-22
EF-S 18-55
EF-S 18-200 f/3.5-5.6 IS
EF 16-35 f/2.8L
EF 16-35 f/2.8L II
EF 17-40 f/4L
EF-S 17-55 f/2.8 IS
EF-S 17-85 IS ------ f ( 11 )
EF-S 18-200
EF 24-70 f/2.8L
EF 24-85 f/3.5-4.5 USM
EF 24-105 f/4 ISL
EF 28-70 f/2.8 L
28-105mm II USM ------- f ( 11 )
EF 28-135 IS ------- f ( 8 )
EF 28-300mm L
35-135mm USM - ------- f ( 8 )
EF-S 55-250 f/4-5.6 IS
EF 70-210 f/3.5-4.5 USM
EF 70-200 f/4L
EF 70-200 f/4L IS
EF 70-200 w/ 1.4x TCs
EF 70-200 f/2.8L NON-IS
EF 70-200 f/2.8L IS
EF 70-300 f/4-5.6 IS USM -------- ( 11 )
EF 70-300 f/4-5.6 IS USM DO
EF 75-300 f/4-5.6 USM
EF 80-200 f/2.8L
EF 100-300 f/4.5-5.6 USM
EF 100-400 f/4.5-5.6 L IS USM
EF 15mm f/2.8 Fisheye
TS-E 24 f/3.5L
TS-E 45 f/2.8
TS-E 90
MP-E 65
EF 14 f/2.8 L
EF 20 f/2.8
EF 24 f/1.4 L
EF 24 f/2.8 ----- f ( 2.8 )
EF 28 f/1.8 USM
EF 28 f/2.8
EF 35 f/1.4 L
EF 35f/2
EF 50 f/1.8 ------- f ( 8 )
EF 50 f/1.4 USM
EF 50 f/1.2 L
EF 50 f/2.5 Macro
EF-S 60 f/2.8 USM
EF 85 f/1.2L
EF 85 f/1.8 USM
EF 100 f/2.0 USM
EF 100 f/2.8 USM Macro
EF 135 f/2.8 SF
EF 135 f/2.8 SF
EF 135 f/2L
EF 180 f/3.5 L Macro
EF 200 f/2.8L USM
EF 200 f/1.8L
EF 200 f/2 L IS USM
EF 300 f/4L IS USM
EF 300 f/2.8L IS USM
EF 300 f/2.8L USM
EF 400 f/5.6L USM
EF 400 f/2.8L IS USM
EF 500mm f/4L IS
EF 600mm f/4L IS


----------------------------


SIGMA
8mm F/3.5 EX DG Circular Fisheye
10mm f/2.8 EX DC HSM Fisheye
15mm f/2.8 EX DG Diagonal Fisheye
14mm f/2.8 EX HSM
20mm f/1.8
28mm f/1.8 EX DG Macro
30mm f/1.4 EX DC HSM
50mm f/1.4 EX HSM
50mm f/2.8 EX DG Macro
70mm f/2.8 EX DG Macro
105 f/2.8 EX DG Macro
150 f/2.8 EX DG APO HSM Macro
180 f/3.5 EX DG Macro
10-20 f/4-5.6 EX DC HSM
12-24 EX DG
15-30 f/3.5-4.5 EX DG
17-35mm F2.8-4 EX DG HSM
17-70 f/2.8-4.5 DC
18-50 f/2.8 EX DC
18-200 OS
18-200 non-OS
24-60 f/2.8 EX DG
24-70 f/2.8 EX DG
28-105 f/3.5-5.6 IF
28-300 f/3.5-6.3 DG Macro
50-150 f/2.8 EX DC HSM
50-500 EX DG HSM
55-200 f/4-5.6 DC
70-200mm f/2.8 EX HSM
70-200 f/2.8 II EX DG APO Macro HSM
70-300 APO DG Macro
80-400 EX DG OS
100-300 f/4 EX HSM
120-300 f/2.8 EX HSM
120-400 f/4.5-5.6 OS DG HSM
150-500 f/5-6.3 OS DG HSM

-------


TAMRON
SP AF 90mm F/2.8 Di Macro
SP 17-35 XR Di
SP 17-50 f/2.8 XR Di-II
AF 18-200 f/3.5-6.3 XR Di-II
AF 19-35 f/3.5-4.5
SP 28-75 f/2.8 XR Di
AF 28-300mm f/3.5-6.3 XR Di
AF 28-300 f/3.5-6.3 XR Di VC
SP AF 70-200 f/2.8 Di
AF 70-300mm f/4-5.6 Di LD macro 1:2
SP 200-500 Di

TOKINA
AT-X 107 AF DX Fish-Eye 10-17mm f/3.5-4.5
AT-X 116 PRO DX 11-16 f/2.8
AT-X 124 AF PRO DX 12-24 f/4
AT-X 165 PRO DX 16-50 f/2.8
AT-X 535 PRO DX 50-135 f/2.8
AT-X 840 AF D 80-400 f/4.5-5.6
AT-X M100 AF PRO D 100 f/2.8 Macro

Last edited by 7up : 22nd of September 2008 (Mon) at 14:48.
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Old 22nd of September 2008 (Mon)   #2
timnosenzo
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

I think aperture should be driven more by DOF than by sharpness. I mean, my 24L might be sharpest at f/2.8, but if I need f/1.8 than what does it matter? Just a thought...
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Old 22nd of September 2008 (Mon)   #3
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

www.slgear.com
has a nice grid that shows how sharp each lens is at different apertures
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Old 22nd of September 2008 (Mon)   #4
egordon99
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

+1.....Most of the time when I'm indoors with my 30mm/85mm primes, I NEED f/1.4-1.8. I'd take a non-subject-blurred shot at the expense of some sharpness (where I go W-I-D-E aperture to get my shutter speeds up in low-light/no flash)

Quote:
Originally Posted by timnosenzo View Post
I think aperture should be driven more by DOF than by sharpness. I mean, my 24L might be sharpest at f/2.8, but if I need f/1.8 than what does it matter? Just a thought...
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Old 22nd of September 2008 (Mon)   #5
DDWD10
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

From my limited experience:

50mm f/1.8 II - sharpest at f/8
28-105mm II USM - sharpest at f/11
28-135mm IS USM - sharpest at f/8
35-135mm USM - sharpest at f/8
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Old 22nd of September 2008 (Mon)   #6
alt4852
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

most of these are either going to be f/5.6 or f/8.
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Old 22nd of September 2008 (Mon)   #7
RodneyCyr
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

This is all subjective, but my three lenses seem to be sharpest at:

10-22 EFS (f/8-9)
17-85 EFS (f/11)
70-300 EF (not DO) (f/11)

The "sharpest" aperture probably varies with the zoom focal length setting.
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Old 22nd of September 2008 (Mon)   #8
bohdank
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

I will bet that the overwhelming rersponse will be between f8-11....
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Old 22nd of September 2008 (Mon)   #9
SlowBlink
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Motto for the old Speed Graphic Photojournalists: F8 and be there.
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Old 22nd of September 2008 (Mon)   #10
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Unless someone has gone off and done a comparison at different apertures under controlled conditions all you’re going to get is subjective data. Not that subjective data is not valid, but it can vary from person to person and subject to subject. I sure would like to see the data though.
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Old 22nd of September 2008 (Mon)   #11
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Usually about 2 stops down from maximum aperture will give the best edge to edge sharpness...
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Old 22nd of September 2008 (Mon)   #12
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Sharpness is a perception.

Here's a pretty good writeup:
http://www.luminous-landscape.com/tu...harpness.shtml
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Old 22nd of September 2008 (Mon)   #13
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Every singgle Lens will be ever so slightly different too, depending on manufacturing tolerances etc etc I guess
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Old 22nd of September 2008 (Mon)   #14
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

Quote:
Originally Posted by 7up View Post
Canon

EF-S 10-22 F/5.6 - F/8
EF-S 18-55 F/8 - F/11
EF 17-40 f/4L F/5.6-F/8
EF 24-105 f/4 ISL F/5.6-F/11
EF 70-200 f/4L F/4-F/8
EF 70-200 f/4L IS F/4-F/11
EF 70-200 F/4L w/ 1.4x TCs F/8-F/11
EF 70-200 F/4L IS w/ 1.4x TCs F/8-F/11
EF 100-400mm f/4.5-5.6 USM L IS F/8-F/11
TS-E 24 f/3.5L F/5.6-F/11
TS-E 45 f/2.8 F/4-F/11
TS-E 90 F/2.8-F/11
MP-E 65 F/2.8-F/11
EF 24 f/1.4 L F/2-F/8
EF 28 f/1.8 USM F/2.8-F/8
EF 50 f/1.4 USM F/4-F/8
EF 50 f/1.2 L F/2-F/8
EF 50 f/2.5 Macro F/4-F/8
EF 50 F/1.8 Mk I F/4-F/8
EF 50 F/1.8 Mk II F/4-F/8
EF-S 60 f/2.8 USM F/2.8-F/8
EF 85 f/1.2L F/2-F/11
EF 85 f/1.8 USM F/4-F/8
EF 100 f/2.8 USM Macro F/4-F/8

----------------------------

TAMRON
SP 200-500 Di F/8

TOKINA
AT-X 107 AF DX Fish-Eye 10-17mm f/3.5-4.5 F/5.6-F/8
AT-X M35 PRO DX 35 f/2.8 Macro F/4-F/8
My additions.

Kind regards, Wim
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Old 22nd of September 2008 (Mon)   #15
Yogesh Sarkar
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Default Re: ((( Sharpest F-stop ( Aperture )- for all lenses )))

These might help, Selecting the Sharpest Aperture, Making Sharp Images and Lens Sharpness
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