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Lens length and Sensor crop tool
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Lens length and Sensor crop tool Sensor crop and lens length are always an common questions we are always asked. You want to buy a short lens and you are not ...
Anatomy of a Lens
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Anatomy of a LensOne of them ain reasons for getting an SLR/DSLR is o be able to change the leneses. Here is what you should consider when you go and ...
Nikon's Teleconverters
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Nikon's Full range of Teleconverters
Lens Timeline
Lens Timeline  The timeline shown below is a graphical representation of lens production going back to 2000. We are trying to expand this list as soon as we can locate the correct information.  ( ...
Canon Multi-layer Diffractive Optical Element
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World's first revolutionary new optical element for a camera lens Canon Multi-Layer Diffractive Optical Element This new optical element is the world's first multi-layer diffractive optical element developed for a camera lens. Canon ...
Say goodbye to Dust   Hot
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 Say goodbye to Dust

    {xtypo_rounded2} Say goodbye to dust, dusts purpose in life is to get everywhere.  And it does, try as you might, you won't stop it from creeping into digital camera ...
The problem with PIC modes
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The problem with PIC modes

  Using your Digital SLR camera can be simple.  Set the command dial to landscape mode when shooting landscapes, or portrait mode.  When photographing people, and start ...
What to look for when buying a new DSLR
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What to look for when buying a new DSLR.

         Our Buying hints and tips Always try and get your hands on a camera before you buy it as no matter how many ...
Sony A100 full review
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Sony Alpha 100

        A wish list for a perfect digital SLR would read like a Alpha 100’s spec sheet So, what would the perfect digital SLR give us ? How about a substantial ...
Nikon D2X full indepth review
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NIKON D2X in-depth review {xtypo_rounded2} As most of its die-hard aficionados will tell you, Nikon is a company that doesn’t do things by halves. As a result, any ...
Why invest in a Macro Lens ?   Hot
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Why invest in a macro lens?     {xtypo_rounded2}       The lenses accompanying most SLR kits are all well and good for general photography, but for great close-up results you need a ...
How a Lens is made.
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Ever wonder how they make your camera lenses? Want to see what the guts look like? I ran across a neat video posted on YouTube that shows how TV camera ...
Why Medium Format?
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Choosing a camera system has profound effects on many aspects of your photo career that go far beyond mere differences in mega pixels or file format. Every aspect of your ...
Mamiya ZD Diglital BackCompatibility
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Camera Compatible Today Adapter Compatible in the Future Note 645E 645 Pro TL NO NO   NO NO Reviewing possibility 645AF 645AFD 645AFD II YES (see note) YES YES     With upgrade to 645AFD           RB67 NO TBA YES End of 2007/early 2008           RZ67 RZ67Pro II RZ67 Pro IID NO NO YES TBA TBA #212-107   End of 2007/early 2008 End of 2007/early 2008           View ...
Sigma Discontinued Lens Chart.
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  Product code Corresponding AF Mount [Camera Mount code] Lens Constructions APO Tele Converter  Angle of view (Diagonal) Number of blade in diaphragm Minimum Aperture Minimum Focusing Distance Magnifi- cations Filter Size Dimensions (Dia x Length) ------ Full Extended Length  Weight     S [110] M [205] N [306] P [109] FT [107] C [101] Groups Elements 1.4X 2X     F cm(Macro)/ in.(Macro) *(Macro) mm (mm) x (mm) (in) x (in) ----- mm ...
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