Back Modifications (1)
Views: 65 (46 Unique)  Award Shortlist   


By kjteng
F13 1/160sec ISO400
+ metz 15ms-1 flash

Tags: Hoverfly Close-up and macro Wildlife and nature Flash and lighting

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This photo is here for critique. Please only comment constructively and with suggestions on how to improve it.


20 Aug 2010 4:30PM
Very nice i would have voted but as you have selected critique wanted sadly i cannot .

The wings are slightly out of focus but otherwise another wonderful shot


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paulbroad 9 116 1064 United Kingdom
20 Aug 2010 5:49PM
Not sure of Nikon synch speed- you say you used 1/400 sec - are you sure the flash would synch at that speed? Usually 1/200 or 1/250 unless you used the long burn setting on the gun.

A reasonable effort of the abundant Hoverfly. Are you really sure you should be using that converter. I know it gets closer but it reduces aperture by a stop and will drop the quality slightly. Your Nikon, plus 150 macro already gives you a 225 mm macro lens - and a converter will usually drop the quality a little.

This is good, but could be a bit crisper, and I know the 150mm Sigma is needle sharp. You are, indeed, very close, and depth will be a couple of mil.

Jestertheclown 8 7.4k 249 England
20 Aug 2010 10:40PM
Sorry but all that technical stuff goes over my head!

However, I reckon you've got a pretty good image here. The fly's a bit central and I think it's just a little bit soft.
I've tweaked it using shadows/highlights, added a touch more contrast and sharpened it a fraction.
I'm using CS5
Hope it's OK.

kjteng 7
21 Aug 2010 4:32AM
Thanks all for the comments.

Paul: That's an error. Shutter speed should be 1/160sec and 400 is the ISO setting.
Many of you have asked why I always keep the 1.4X TC which appear unnecessary at times. The reason: (i) I need the TC for tiny insect most of the time and (ii) I don't like to remove the lens/TC and expose the inner part of the camera in the jungle where it is quite humid.
paulbroad 9 116 1064 United Kingdom
21 Aug 2010 9:23AM
I take your point on the TC. Obviously would not know this. You have a good camera and lens. If I were you, I would take some test frames with camera on a tripod and shoot a detailed subject with and without TC. Then compare the results.

I use a dedicated Sigma EX converter with my 150 at times with tiny subjects - but in better conditions I admit. The results are very good.

In your test, if you cannot tell the difference between the TC and none TC image, good. If you can, the D90/1500 Sigma combination might mean quality is better if you just enlarge the image.


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