Need a new camera...
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Old 02-03-2018   #1
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Default Need a new camera...

I've pretty much given up now on the 5DSr. No matter what I do I struggle to get a sharp image even using speeds of 1000th and above. The cameras has been tested as have lenses and I've been told there's nothing wrong, but the only time I get a sharp image is in very bright conditions.

So, for weddings and landscapes it's utterly useless as you can't always guarantee great light. I've been told this is down to the size of the sensor and the normal stuff i do would be better done on a crop sensor.

So, does anyone think crop sensors are better for sharp images when the light is not perfect, and if so are there any Canon's you'd recommend?

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Old 02-03-2018   #2
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Default Re: Need a new camera...

Crop sensors better for sharp images? Well, no. I don't agree with that. I think sharp comes from technique, no camera movement, great glass, proper post processing and maybe Lower ISO the better. Not sure how bright light comes in to play other than to keep the ISO low, which helps the image.

If the 5DSr (whatever the r is) is not getting you sharp images, and it isn't the lens (didn't say which, but some in your signature ought to be sharp), then I'd look elsewhere because something else is wrong. Oh, and don't view at 400% either because everything stinks at that.

I'd toss a couple samples up so we can see what you see.
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Old 02-03-2018   #3
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Default Re: Need a new camera...

This is a 50 mp body. Everything is going to have to be almost perfect. I remember when I went from 10 mp to 18 mp I was really disappointed. Had to work on technique a lot. Some samples would be good.
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Old 02-04-2018   #4
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Originally Posted by Mr. Pickles View Post
Crop sensors better for sharp images? Well, no. I don't agree with that. I think sharp comes from technique, no camera movement, great glass, proper post processing and maybe Lower ISO the better. Not sure how bright light comes in to play other than to keep the ISO low, which helps the image.

If the 5DSr (whatever the r is) is not getting you sharp images, and it isn't the lens (didn't say which, but some in your signature ought to be sharp), then I'd look elsewhere because something else is wrong. Oh, and don't view at 400% either because everything stinks at that.

I'd toss a couple samples up so we can see what you see.
The 'r' simply means that unlike the 5Ds which has an optical low-pass filter, the r version's filter is self cancelling which in theory makes it slightly sharper.
It's not any of the lenses, as the occasional shots in perfect conditions show that even the Tamron is absolutely razor sharp.
The most I ever view is 100% however, even if a photo is viewed at 20% you can just see if it is sharp or if it is ever so slightly unsharp. My friends on Facebook who are using decent phones and small compacts are consistently getting way sharper pictures than I do.
I'll post some shots for you to see.
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Old 02-04-2018   #5
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Originally Posted by greenjeans View Post
This is a 50 mp body. Everything is going to have to be almost perfect. I remember when I went from 10 mp to 18 mp I was really disappointed. Had to work on technique a lot. Some samples would be good.
What technique did you work on? I have altered my stance if not on a tripod, and often I grip my right shoulder with my left hand and and use the left elbow that is now in front of my face to rest the camera. This is a rock solid position only bettered by leaning against a tree if one is handy. Results are pretty much consistent no matter what I do.

I'll add some shots.
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Old 02-04-2018   #6
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This is a crop of a larger picture. The crop is full size if you know what I mean. The editing details from Lightroom are:
deer: 1/200th at f9, 61mm/24-70 lens, iso100. 25 sharpness, 1 radius, 25 detail, 0 masking, 25 colour NR.
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Old 02-04-2018   #7
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This one is also full size crop,
door: 1/500th at f9, 35mm/24-70 lens, iso100. 31 sharpness, 1 radius, 25 detail, 15 masking, 25 colour NR.

You'd expect with those settings for it to be razor sharp. No wind that day, I was calm and rock solid in my stance, the camera cradled as I explained earlier. If I'd put a flash unit on I may have got a sharp image then but I can't perfectly light and expose every single shot in all circumstances.

I think perhaps for studio work where all parameters are controlled precisely it may be fine. But for general work it simply isn't any good at all.
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Old 02-04-2018   #8
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Default Re: Need a new camera...

Have you looked at jpeg's direct from the camera, to take processing out of the equation?
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Old 02-04-2018   #9
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Default Re: Need a new camera...

f/9 would be on the verge of diffraction limitation on cameras using fine grain film and perhaps also on the 5DS. Try shooting a three-dimension subject with fine detail at all apertures and several focal lengths. This should reveal any diffraction limitation and focus errors.
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Old 02-04-2018   #10
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f/9 would be on the verge of diffraction limitation on cameras using fine grain film and perhaps also on the 5DS. Try shooting a three-dimension subject with fine detail at all apertures and several focal lengths. This should reveal any diffraction limitation and focus errors.
If the camera can't focus at f9 then it's patently useless. I understand about diffraction and it can affect some images, but if you use a lower f-stop then some of the subject is blurred anyway because it's not in dof so there's no win.
This is for landscapes mostly so deep focus is a thing I'm going to do pretty regularly and even using hyper focal distance f7 isn't going to do much for me at some focal lengths.
Is no-one else having this problem?


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