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You should be able to remove that CA easily in post. Its a great adaptor. I wouldn't say it negates the need for a macro lens as the second shot shows the rather large differential in sharpness across the frame but for the money it will get you great macro images in most situations. I think you...
Martin I think you may be confusing sharpness with depth of field.
Some notes on sharpness below that can be found on google. Note how the below notes correspond directly to the canon/sigma 10-20 MTF chart (attached) unfortunately the chart only goes to F11 but you can see the sharpness drop...
In general diffraction kicks in from f11 on aps-c and significantly lowers resolution at f16 onwards. A good article http://www.cambridgeincolour.com/tutorials/diffraction-photography.htm
Despite the aperture I do love that shot ;)
Difficult, I started photography in 1990 and have few slides/film left from the day! I did however have a 15 year break before taking it up again about a year ago!
Heres my feedback.
#1. My favourite of the bunch, a nice informal portrait, would have been good to see a little more hands/phone as its right on the edge of the frame and partially cut off.
#2. Looks like you 'gatecrashed' someone elses photo from a different angle. Its a posed portrait and...
lol 5.6-8 is fine mate ;)
At 10mm focus at infinity and everything from a metre to infinity should be in focus. you can always do a focus check afterwards.
yes it is cracking light! I would go f8 or even f11 will get you a nice sunburst. I don't know how manual focusing works on a nikon mate, sorry. Its easy on my sony as it has a feature called focus peaking where colourd dots 'dance' over the area of focus so mf is a easy and great fun!
Cracking sky Scott
F20? ;)
Wind won't cause distortion, it might cause camera movement if your tripod isn't sufficiently sturdy. F20 on APS-C is at best soft.
I really wish camera manufacturers would make SLR's without a video option. Make it cheaper and purer for those only interested in stills. If I bought a brand new camera tomorrow and the video was faulty I would count myself lucky!