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Posted

I just reflected one of my kogai plate into the sun light and I start to see this beautiful

color spectrum patterns which seem appeared only on the very fine carved and good condition ones. Although the photos seem exaggerating the spectrum than the looking it in real, I think it's absolutely beautiful. The middle pic is more the natural angle of reflection that does merely show the spectrum of it but the other two are the angles showing the a lot more of it. I'm guessing that small pyramid pattern of nanakoji somehow bend and break the light into a rainbow spectrum just like a prizm but not sure because I am not an expert on the light. Just it's amazing to know Tosugu shi back in the days could carve it so this small without modern technologies

 

Do you guys get the same thing from your tosogus? This is the only very fine examples of nanakoji i have. Thanks

 

Jason C

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Posted

I recall a similar effect on a set papered to the yasuda I once owned. But it's a good reminder to view tosogu in natural light to see what effects their makers may have been playing with, or at least what the wearers would have seen.

 

A long time and knowledgable collector shared an insight to this affect: to keep pieces out to view them as the daylight changes. I keep a small display on a bedroom tansu for this purpose and even tetsu Tsuba appear to take on different character or feel during different parts of the day.

Posted

That's a really stunning....what do they call it....Jita?

How does it come to be separate from the kogai? Lovely match to my one koshirae with laquer ho bird.

 

Brian

Posted

I recall a similar effect on a set papered to the yasuda I once owned. But it's a good reminder to view tosogu in natural light to see what effects their makers may have been playing with, or at least what the wearers would have seen.

A long time and knowledgable collector shared an insight to this affect: to keep pieces out to view them as the daylight changes. I keep a small display on a bedroom tansu for this purpose and even tetsu Tsuba appear to take on different character or feel during different parts of the day.

In fact i have been looking this every weekend under the different sun lights ever since I noticed. It's very micro effect but just so beautiful. It's good to know it's common effect on the well made nanakoji surfaces.

 

Jason

Posted

That's a really stunning....what do they call it....Jita?

How does it come to be separate from the kogai? Lovely match to my one koshirae with laquer ho bird.

 

Brian

Thank you Brian. I bought it on the ebay long time ago from an estate seller who didn't know anything about tosugu. Unfortunately, it's been pinned in back for the use of women's accessory. :( I can simply get rid of it with a dremel but would let the kogai shi do it when the time comes. I was wondering if you're Brian Tcsernega?

 

Jason C

Posted

Jason

 

the effect you've been noticing is in fact fairly common on any variety of metal surfaces. It has nothing to do with any metalwork technique as such but is merely the result of the way light is difracted and split (as you noted) as it bounces off the corrosion/patina composition.

Posted

 I was wondering if you're Brian Tcsernega?

 

Jason C

 

I doubt very much whether Brian Tschernega has much time to be online, and having heard of his work..I wish I were that talented.

Nope. I'm just a lone South African Nihonto beginner trying to learn something that sticks.

 

Brian

  • Like 1
Posted

Jason

 

the effect you've been noticing is in fact fairly common on any variety of metal surfaces. It has nothing to do with any metalwork technique as such but is merely the result of the way light is difracted and split (as you noted) as it bounces off the corrosion/patina composition.

Thanks Ford. I've read your message and haven't got chance to reply. So it sounds like what I was seeing is a natural phenomenon on any metal so be it with any metal if it has nanakoji like texture. Btw, when do you expect to get done meteorite tsuba? Is it go na be a one of kind sale to one person? Please me know if you have the firm price for it yet or would be in auction. I was also wondering if you could do a commission work if I provide my Gibeon plate? Let me know Ford. Thanks A lot.

 

Jason

Posted

I doubt very much whether Brian Tschernega has much time to be online, and having heard of his work..I wish I were that talented.

Nope. I'm just a lone South African Nihonto beginner trying to learn something that sticks.

 

Brian

I think you're right. Brian T even hates email communication. I remember he said he doesn't like computer things and stuffs. Oh wow, it's cool. How's the nihonto community down there? Just curious.
Posted

So it sounds like what I was seeing is a natural phenomenon on any metal so be it with any metal if it has nanakoji like texture.

 

It doesn't need to be nanako-ji.

 

As Ford mentioned in the quote you made, light is merely being refracted from the metal's surface and some variables are corrosion and patina composition.  I would add alloy composition and surface polish/reflectivity to this list - I've seen some lovely refractive effects on the surfaces of copper, shibuichi and steel as well.

 

Also, If you want to seriously discuss a business proposition with Ford, I suggest you get in touch with him directly via PM rather than a random post on a forum. He's very busy at the moment, and you'll need to meet him halfway to even get his attention. ;)

This thread is quite old. Please consider starting a new thread rather than reviving this one, unless your post is really relevant and adds to the topic..

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