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Nikon DSLR Cameras
D5100
Fisheye and macro lens recommendatiions for 5100
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<blockquote data-quote="Mediaman09" data-source="post: 100619" data-attributes="member: 9503"><p>So, if I understand this correctly (what are the chances !! ... <u><strong>ANY lens that I put on my 5100</strong>,</u> be it legacy, DX or FX, will have a focal length/field of view as stated on the lens ! And if I interchange them all I will see no difference... ie 100mm DX lens, 100mm FX lens or 100 mm legacy lens will all look the same on my 5100....and all three will look the same as what a 150mm lens would like on an FX camera. Correct? Almost? </p><p></p><p>With all these 1.5 multipliers, I had initially (incorrectly) assumed that my new 18mm-200 lens would have the same 'wide angle' view my old legacy 28mm lens ( eg 18 x 1.5 = 27 m which close to 28mm). But in fact, the old 28 mm lens also gets the 1.5 factor as its equivalent to 42mm !. Indeed when I interchange both lenses, the new 18mm is a much wider angle than the old 28mm (ie I am essentially comparing 27 mm to 42mm).</p><p></p><p>The point being that, if I got this right (and at the risk of oversimplifying) , I need not be concerned about calculating equivalent focal lengths if I have a mix of DX, FX and legacy lenses ; they will all behave as expected, ie my new 18mm zoom is that much wider than my old legacy 28mm, which is that much wider than my old 43-86 zoom, which is that wider than my new 105 FX macro.</p></blockquote><p></p>
[QUOTE="Mediaman09, post: 100619, member: 9503"] So, if I understand this correctly (what are the chances !! ... [U][B]ANY lens that I put on my 5100[/B],[/U] be it legacy, DX or FX, will have a focal length/field of view as stated on the lens ! And if I interchange them all I will see no difference... ie 100mm DX lens, 100mm FX lens or 100 mm legacy lens will all look the same on my 5100....and all three will look the same as what a 150mm lens would like on an FX camera. Correct? Almost? With all these 1.5 multipliers, I had initially (incorrectly) assumed that my new 18mm-200 lens would have the same 'wide angle' view my old legacy 28mm lens ( eg 18 x 1.5 = 27 m which close to 28mm). But in fact, the old 28 mm lens also gets the 1.5 factor as its equivalent to 42mm !. Indeed when I interchange both lenses, the new 18mm is a much wider angle than the old 28mm (ie I am essentially comparing 27 mm to 42mm). The point being that, if I got this right (and at the risk of oversimplifying) , I need not be concerned about calculating equivalent focal lengths if I have a mix of DX, FX and legacy lenses ; they will all behave as expected, ie my new 18mm zoom is that much wider than my old legacy 28mm, which is that much wider than my old 43-86 zoom, which is that wider than my new 105 FX macro. [/QUOTE]
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Nikon DSLR Cameras
D5100
Fisheye and macro lens recommendatiions for 5100
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