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So how much difference in angle of view does a zoom make?

 

Here is the 55-135 at both ends of the zoom rate:

 

55 mm

 

 

135 mm

 

 

 

 

 

 

 

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55 mm

 

 

 

135 mm

 

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OK, I'll play.  First the 11-23 at its 23mm setting.

 

C1000559 by scott kirkpatrick, on Flickr

 

then at 11 mm:

 

C1000560 by scott kirkpatrick, on Flickr

 

Camera is on the breakfast table, about 3 m from the stove in both pictures.

 

scott

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18-56

 

@ 18 mm:

 

 

 

@ 56 mm

 

 

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Since I never used zoom for a long time, it is not in my muscle memory. My issue with zoom is that I often forget that I can change FL. Paying attention to one more thing is asking for too much.

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That's what this thread is for...

Actually I liked the zoom implementation for my old D-LUX5 (maybe same in new ones too). The zoom could be configured to move in steps (28,35,50...) and *most important*, it remembered the zoom value between camera switch off/on on sleep off/on. Therefore if you wake up the camera from sleep then in goes back to the old zoom value. Of course, it is same behavior as in changing zoom by turning a mechanical ring (which is decoupled from electronic control). But if I have to design a proper zoom lens, then I will ask for electronic control (as in many P&S). That will allow my D-LUX kind of behavior. You can also have *auto-zoom* where camera recognizes face/body features and zooms into head and shoulder portrait, with focus on eye!

 

Is there a job opening in Leica's product development?

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Since I never used zoom for a long time, it is not in my muscle memory. My issue with zoom is that I often forget that I can change FL. Paying attention to one more thing is asking for too much.

 

My practice is to set the zoom at one of the focal lengths that I am familiar with (e.g. the equivalents of 21, 28, or 35 full frame) and then move to make the picture work.  But with telephoto focal lengths, you often can't move enough to make a difference, so it is necessary to frame with the choice of focal length. 

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Double the focal length and you double the size of the subject in the frame. Simple math. So, I've never had any trouble visualising focal length changes.

 

Fun to see visually but if you know the math then it's actually easy to see it in your head.

 

Gordon

The other approximate math I use is 1/4 MP in crop when you try to do *digital zoom* to 2X. Example: 180mm equiv crop from 90mm lens is 6mp on CL (24mp). Therefore if 6mp doesn't bother you (still prints great A4) then who cares about the zoom?

Edited by jmahto
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  • 2 weeks later...

For when you can't zoom with your feet:

 

55-135@135:

 

C1000868 by scott kirkpatrick, on Flickr

 

and at 55:

 

C1000867 by scott kirkpatrick, on Flickr

 

and with the CL 23/2.0:

 

C1000847 by scott kirkpatrick, on Flickr

 

Some year there will be tracks electric wires, and a train to the airport, but not soon...

 

scott

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