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  #1  
Old 25th March 2019
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Dave in Wales Dave in Wales is offline
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Spin-off...Digital Converter and lens sharpness.

I talking here about the incredible sharpness of the 12-100mm and my future use of the 2x DC.

The DC seems to be frowned upon by most.
I have used it on occasion, I shoot RAW+JPG so I have both images to fall back on.

The L-fn button on the lens is dedicated to DC, so I can see it getting a lot more use.

That means I now have a 12-200 superbly sharp lens, or in old money a 24-400....can't be bad...
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  #2  
Old 25th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

Only if it works on the 12-100 lens. My guess is that it wont as the 1.4x doesn't.
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  #3  
Old 25th March 2019
Olybirder Olybirder is online now
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Re: Spin-off...Digital Converter and lens sharpness.

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Originally Posted by Phill D View Post
Only if it works on the 12-100 lens. My guess is that it wont as the 1.4x doesn't.
I think Dave is talking about the camera's digital converter Phill.

Ron
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  #4  
Old 25th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

Quote:
Originally Posted by Phill D View Post
Only if it works on the 12-100 lens. My guess is that it wont as the 1.4x doesn't.
DC, Digital converter?
It works for me, better than a crop I reckon.
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  #5  
Old 25th March 2019
Ulfric M Douglas Ulfric M Douglas is offline
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Re: Spin-off...Digital Converter and lens sharpness.

If they've tweaked it to be better than a crop then they're onto a winner.
The older cameras just give me basically a crop so I never considered it again.
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  #6  
Old 25th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

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Originally Posted by Ulfric M Douglas View Post
If they've tweaked it to be better than a crop then they're onto a winner.
The older cameras just give me basically a crop so I never considered it again.
It is a crop & upscaled. I feel it does it well & as Dave in Wales said, saving JPEG & RAW gives the best of both options. Also, if the DTC is left on by mistake there is always a wider backup view in the RAW file too. Of course, the DCT composition might not be as ideal as it could have been & then the RAW allows more latitude there in post.
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Old 26th March 2019
blu-by-u blu-by-u is offline
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Re: Spin-off...Digital Converter and lens sharpness.

At the very least, there is no increase in f stop with the Digital crop just a tat smaller file size
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Old 26th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

Ah yes sorry, read that post too quickly
I like the x2DTC too. I can't usually see any difference to a post crop but it does allow a greater focus on composition and metering from the area of interest. I've certainly done some moon shots with it that I prefer to a simple crop.
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Old 26th March 2019
Ulfric M Douglas Ulfric M Douglas is offline
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Re: Spin-off...Digital Converter and lens sharpness.

Quote:
Originally Posted by Phill D View Post
I've certainly done some moon shots with it that I prefer to a simple crop.
It would be useful to see one of those (both files) : with a view to upscale +selective sharpen the crop and see which is better...
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  #10  
Old 26th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

I'll have a look back Ulfric but i'm not very good at labelling my shots so might not be able to find the comparison I did From memory though it was a very very close run thing and slight variations in atmospherics between shots was enough to make the best choice change round.
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Old 26th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

I find the DTC really useful for identifying incoming things like birds, aircraft and assorted wildlife before they’re close enough to press the shutter.
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  #12  
Old 28th March 2019
blu-by-u blu-by-u is offline
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Re: Spin-off...Digital Converter and lens sharpness.

It would be even better if they allow that Digital Crop rectangle to be moveable (like the magnification assist) instead of fix to the middle.
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  #13  
Old 28th March 2019
Ulfric M Douglas Ulfric M Douglas is offline
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Re: Spin-off...Digital Converter and lens sharpness.

No worries Phil.
I'd be very keen on a digital-zoom that did great works instead of a crop, but I'm not convinced yet.
Maybe I'll test it with my card in the camera shop next time : which camera would be best to try?
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  #14  
Old 29th March 2019
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Re: Spin-off...Digital Converter and lens sharpness.

I guess it depends on what cameras you have or intend to get Ulfric.
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