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Thread: Knife / photography challenge for ya.

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    Senior Member cevulirn's Avatar

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    Knife / photography challenge for ya.

    That being, how does one capture the essence of 'Sharp' in an image? I'm trying to get started with knife sharpening on the side, and could use some ideas.
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    Senior Member L1A1Rocker's Avatar

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    A light burst off the edge maybe?
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    Forum Administrator Schuetzenman's Avatar

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    Quote Originally Posted by L1A1Rocker View Post
    A light burst off the edge maybe?
    This although a reflective edge in reality is dull.

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    Site Admin & **Team Gunsnet Silver 12/2012** Richard Simmons's Avatar

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    That's tough since sharpness is so hard to define let alone photograph. I've seen some pretty wicked photos of polished edges where they reflect the surface they are next too. While that particular knife may not even be all that sharp the mirror polished edge kind of implies it is. You could also show something like a hair you've actually whittled or a piece of paper you've filleted to demonstrate the edge.
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    Quote Originally Posted by Schuetzenman View Post
    This although a reflective edge in reality is dull.
    Lol. I really beg to differ. All of my knives are sharpened on a set of paper wheels and end up w a mirror polished edge. I have never, ever felt a knife as sharp as these are after I sharpen them. Yes sometimes a rougher toothy edge is preferred, but to say a mirror polish is dull is incorrect. Some of mine get to the point that they break skin under just their own weight. You barely set them on your skin and it immediately splits you open. This is all with good steel. The cheaper steel knives I totally agree w you. A mirror polish on my kitchen knives has proved less useful.

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    Senior Member cevulirn's Avatar

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    Quote Originally Posted by Integratedj View Post
    Lol. I really beg to differ. All of my knives are sharpened on a set of paper wheels and end up w a mirror polished edge. I have never, ever felt a knife as sharp as these are after I sharpen them. Yes sometimes a rougher toothy edge is preferred, but to say a mirror polish is dull is incorrect. Some of mine get to the point that they break skin under just their own weight. You barely set them on your skin and it immediately splits you open. This is all with good steel. The cheaper steel knives I totally agree w you. A mirror polish on my kitchen knives has proved less useful.
    I mess around with everything I can get my hands on, but my best edges come from Spyderco ceramics. Their white stones (fine/ultra fine) will leave whatever they are rubbed against shiny. and SHARP. With a crappy kitchen knife? Just leave it coarse, cause it won't take./hold anyway.
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    Quote Originally Posted by cevulirn View Post
    I mess around with everything I can get my hands on, but my best edges come from Spyderco ceramics. Their white stones (fine/ultra fine) will leave whatever they are rubbed against shiny. and SHARP. With a crappy kitchen knife? Just leave it coarse, cause it won't take./hold anyway.


    I really miss my spyderco ceramic sticks. They did a fantastic job for hand sharpening.
    They disappeared about 2 years ago. Now I use paper wheels or the lansky system.
    Definitely need to replace the spyderco setup.

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    Forum Administrator Schuetzenman's Avatar

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    Quote Originally Posted by Integratedj View Post
    Lol. I really beg to differ. All of my knives are sharpened on a set of paper wheels and end up w a mirror polished edge. I have never, ever felt a knife as sharp as these are after I sharpen them. Yes sometimes a rougher toothy edge is preferred, but to say a mirror polish is dull is incorrect. Some of mine get to the point that they break skin under just their own weight. You barely set them on your skin and it immediately splits you open. This is all with good steel. The cheaper steel knives I totally agree w you. A mirror polish on my kitchen knives has proved less useful.
    I don't have any experience with "paper wheels", never heard of them before. I use a white Arkansas Oil Stone and follow up with ceramic sticks. Been doing it that way since 1973. My knives will shave you just fine. If I see a reflection its a dull spot.

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    Quote Originally Posted by Schuetzenman View Post
    I don't have any experience with "paper wheels", never heard of them before. I use a white Arkansas Oil Stone and follow up with ceramic sticks. Been doing it that way since 1973. My knives will shave you just fine. If I see a reflection its a dull spot.
    Paper wheels are compressed cardboard 8in wheels on either a bench grinder or buffer. One wheel is I think 180 grit, the other is straight cardboard. Think leather strop at 3500rpm with polishing rouge. I don't apply any pressure when I work them, just lightly draw it across a few times on the grit wheel, and then same thing on the polishing wheel. I have never felt anything as sharp as the knives are coming off of paper wheels. It takes 5-10minutes per blade max to get a knife sharper than I've ever accomplished with stones, and I love stones. When I am done with them it is a mirror polish. I'll see if I can get some pics this weekend when I touch up a few things.

    Here's a vid on them

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