December 19, 2014, 07:27:29 AM

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Topics - hermichut

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Software & Accessories / NIkon Advocate Thom Hogan lambasts DXOmark scores.
« on: November 11, 2014, 08:43:49 AM »
It's always interesting to see what the enemy really thinks and Thom Hogan's articles about Nikon/ Canon and the industry in general are to my taste some of the most insightful I've read. Anyway , his article on dxomark is well worth a read.

http://www.dslrbodies.com/newsviews/do-you-believe-in-dxomark.html

hermichut.

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Germany / Camera Insurance in Germany.
« on: January 23, 2013, 07:59:19 AM »
Hi ,

Does anyone have experience of  Camera Insurance in Germany?.  I'm looking for something that covers all risks for holidays / travel.

Cheerio,
Hermichut.   

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Lenses / Question regarding constant aperture lenses.
« on: January 23, 2013, 04:14:31 AM »
Hi all,

I have a question that is of no consequence and will not change in any way my photo skills ( it'll take more than that.. )  but nevertheless it occupies my mind...

First , to provide some background to my (mis)understanding  ,  I understand a lenses aperture expressed by it's f-stop to be something like  focal length / aperture . OK all good.

But , when a zoom is constant aperture  , the focal length changes throughout the zoom range ... So how does the aperture change to maintain the F number ?  , I.e after using a 70-200 2.8  ,@ 200mm  does the aperture max size suddenly become a lot smaller when moving towards the 70mm end ??.

I hope i have made my question clear...

Hermichut.   

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