Recent content by Mustafa Umut

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    Effects of Lens Element Aberrations on a Fully Corrected Lens Image

    Sophiecentaur, I think delay correcting relates to transfer function ? Let me try to explain why I asked my first question, Legend says high spherical aberrations at some elements of summicron - its highly corrected lens at final - makes some beatiful images at the photography. I think...
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    Effects of Lens Element Aberrations on a Fully Corrected Lens Image

    Drakkith , Thank you very much for your answer. Do internal spherical aberration have a targeted image quality ? Does spherical internal aberration effect the image or all goes finally corrected for compound lens and have no effect on image quality ? We talk about leitz summicron r 50mm
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    Effects of Lens Element Aberrations on a Fully Corrected Lens Image

    Drakkith, Thank you very much for your answer. There are two things. First , glass lens elements And second , completed camera lens made up with these above glass lens elements. Two ways to design first ,each glass lens elements. A - Fully correct each of glass lens element B - Allow some...
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    Effects of Lens Element Aberrations on a Fully Corrected Lens Image

    Leitz Summicron 50 is one of the extremelly well corrected lens in the world. Legend says about this lenses internal elements and their spherical aberrations was responsible of lot of beatiful effects on image. For highly corrected lens image , does high internal aberration really effects the...
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    Camera Lens works as a Polarizer or not?

    I read maxwell says electric field polarizes the dielectrics. Does it mean above effect used at photographic camera lens design to make that lens sometimes works like polarizer filter ? Mustafa Umut Sarac Istanbul
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    Mind reading of Cup Yacht Designer Herreshoff by Topology

    Homework Statement There was the times 100 years ago, N.Herreshoff was designing giant J Boats, America s Cup boats by only carving a wood piece in few hours ,without drawing calculating anything and builders were measuring the wooden half model and building a multi million dollar yacht wins...
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    Steel Vibration Synthesizer: Crafting Musical Shapes

    Homework Statement Hello there, I thought a fully analog , cutting vibrational shapes on steel plate and hit to each shape by fingers and produce whichever sine , square , triangle vibration you want and filter of those collections of vibrations by another steel cut shape and make a synthesizer...
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    Hit with mallet to one side clamped metal triangular plate

    Homework Statement I want to build a musical instrument for homework . I want to cut triangular metal plate where triangle will stand vertical to ground , bottom of triangle is 1 inch wide and clamped , triangle height is 42 inches. Does that triangle produce different notes when hitting from...
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    Aberrations at Lens Elements as Unsharp Filter

    OK,I wrote my findings , do lens element aberrations and their compensation act like an unsharp masking filter. Is it true or a dream ?
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    Aberrations at Lens Elements as Unsharp Filter

    I am asking is it true or not ? Thanks, Umut
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    Aberrations at Lens Elements as Unsharp Filter

    I want to learn do aberrations and compensation actions used as unsharp filter for final image ? I read a Leica paper. There was symmetrical lens Summicron as a subject. I found that at the exit of the lens there were no aberrations without corrected. But when you look inside , some lens...
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    Fractal Question :Rodin Scupture to Low density Mesh to 2D to Iterative Function

    Hello there, Subdivision modeling is a tool which all 3D Modeling Softwares uses. Its about creating a low density mesh and computer creates higher density mesh until your box turn into a sphere.I found something about finding iterative fractal function of a 3D object for example Rodin...
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    Chemical Photoshop for Emulating Film and 100 year old processes

    Autochrome is a photography technique which all details forgotten 50 years ago but counted as the best color photograph technique. There are two layers on glass , one RGB Screen and second , a bw emulsion. When RGB filter separates the image , bw all color sensitive layer records the tones...
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    Radar Camera for Large Format Photography

    Large Format Photograph Machines usually uses 8x10 inches size negative. Can I make a radar large format camera with using similar or bigger size plate as antenna and when transmitter was a cw radio transmitter ? I know only need of mixing transmitted to received. If this does not work , can...
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