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Cape stone chat (Saxicola torquata)

By fotobee  
Tulbagh South Africa. A Stone chat, (Saxicola torquata) which I caught in full flight, on one of our early morning walks to the local farm dam. This male was hawking insects, which are not visible in this photo, but may be seen in Moebee`s upload of a few days ago, "Breakfast has arrived". This is due to the trade-off of having a 600 mm lens as opposed to a 500 mm one. These shots happen so fast that nobody has time to change anything, but just have to grab them as they present themselves, with the lenses pre-set. Both of us were within a few feet of each other. The difference between the two lenses is considerable, the effective focal length being 750 mm (for the 500 mm) as opposed to the 600 mm, effective length being 900 mm. To get the same effective depth of field, I have to stop the 600 mm lens down to f10, while the 500 mm one is set to f7.1. With both camera`s (Identical Nikon D7100`s), set at ISO 1600 (The point where both ISO`s recover to about ISO 320). The DOF , although similar at the same focus point, falls off much more on either side, on the larger lens. In addition, the shutter speed with the 600 lens is 1/6400, as opposed to Moebee`s speed of 1/8000, which also blurs the fast moving mosquito sized insects. Both factors are enough to render them virtually invisible to the longer lens, while enabling a sharp resolution on the smaller lens. (Note...the insects were invisible to the naked eye). Both lenses are equally useful.
Thank you everyone, for looking, voting and commenting on my "Bushel of Bishops". Have an excellent Sunday. Regards Martin

Tags: Wildlife and nature Bird nature wildlife

Voters: cats_123, PranavMishra, M_squared and 33 more

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Comments


cats_123 Plus
17 5.1k 30 Northern Ireland
24 Jan 2016 7:12AM
Super timing Smile
PranavMishra 9 52 18 India
24 Jan 2016 7:17AM
lovely..
24 Jan 2016 7:32AM
Well captured. Nicely timed.
24 Jan 2016 7:32AM
Beautiful capture in flight
CarolG 15 199 20 Greece
24 Jan 2016 8:02AM
A wonderful in flight capture, Martin.
ade123 9 285 1 United Kingdom
24 Jan 2016 8:33AM
A brilliant capture Martin.

Ade
senn 10 5 1 Belgium
24 Jan 2016 8:53AM
remarkable in flight capture;.. and thanks for the extra and pretty useful lens comparison info
24 Jan 2016 9:35AM
Brilliant capture !!
netta1234 9 382 2 Wales
24 Jan 2016 9:39AM
This is so beautiful MartinSmile
NettaSmile
24 Jan 2016 10:24AM
Stunning flight capture
24 Jan 2016 10:48AM
Excellent action capture Martin
Excellent timing, a super action shot Martin.
Carol Smile
Hermanus 9 4 South Africa
24 Jan 2016 1:42PM
Great action captured Martin - and I love the colour
Mollycat Plus
8 21 2 United Kingdom
24 Jan 2016 2:44PM
Stunning aerial capture Martin.
Peter
PhilT2 Plus
11 566 32 England
24 Jan 2016 3:26PM
Superbly caught Martin

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