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Bevel Tip and Magnification

Bart said:
wdwrx said:
This reminds me, though; some time ago there was mention of having coticule slurry analyzed via SEM... whatever came of that?
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That's still a long shot. A volunteer for operating the SEM has been found, and we have raised enough funds to pay for the lab hours. But there are many things to examine, much more than we have opportunity for. We're still working out a framework for the experiment, but activity in the research department is rather slow at the moment. We're going to reorganize, in favor of focusing our efforts better. We also hope to reinforce ranks of the research team with a few new names. Your name is on my short list.:)

Kind regards,
Bart.
Click to expand...
As a German pilot I once knew said, "Vee ah DOOBMED".
 
towliff said:
Bart said:
wdwrx said:
This reminds me, though; some time ago there was mention of having coticule slurry analyzed via SEM... whatever came of that?
Click to expand...
That's still a long shot. A volunteer for operating the SEM has been found, and we have raised enough funds to pay for the lab hours. But there are many things to examine, much more than we have opportunity for. We're still working out a framework for the experiment, but activity in the research department is rather slow at the moment. We're going to reorganize, in favor of focusing our efforts better. We also hope to reinforce ranks of the research team with a few new names. Your name is on my short list.:)

Kind regards,
Bart.
Click to expand...

I may be of some assistance here :) I'm regularly using a Tecnai G2 TEM/SEM for my nanoparticle research for use in cancer treatments (you wouldn't believe the progress being made here right now! :thumbup: ). I could easily sneak in a slurry sample from my La Nouvelle Vein and report back with the results. It will be TEM at the moment, as I havent used the SEM function yet, but that will arrive soon.

Regards,

James
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This is getting intersting now. How cool to sneak in a sample, and how cool to be on cutting edge cancer research. I love this place. Denny
 
woo hhoooo:D My adapter for my camera finally came in today. I'm supposed to be at work, but I took enough time to snap two quick photo's. I need to sped a bit of time dialing the set-up in, but these two photos are of my Esiltuna MK32 coming off my Le Verte, with water, destined for a "soap-stone" finish tonight (100x).
IMG_1584.jpg

IMG_1582.jpg


more later!
 
Looks very sweet, but try placing the bevel side perpendicular with the axis of the lens. That way you'll be able to focus on the entire bevel side.

:thumbup:

Bart.
 
Thanks for the tip, Bart. I spent a minute and whittled a jig to hold the bade with the bevel mostly flat.
Here are a couple more photo's of the same blade, one at 40x and a couple at 100x.
When I look at these, I see that the edge shows some of that texture I mentioned earlier, and it seems that there's been lots of polishing on water as that speckling from slurry is very minor, with lots of flat highly polished areas.
IMG_1593.png

IMG_1589-1.png
 
Matt, I bought this: [edited link out to keep the Associates happy:p ]
and if you've got any pointers for making photomicrographs, I'm all ears.:)




(Associates, if it's not allowed to post the link to eBay outside of the Market Place, feel free to edit the post and I'll find a different way to post the photo)
 
Hi Chris, I am on my iPhone at the moment, later I will post your picture and move the link my friend

Best Regards
Ralfson (Dr)
 
Ralfy, I took the link out. I tried to steal the photo first from eBay but it wouldn't move to my Desktop, maybe you'll have better luck.
Oh well.
I'll use one of the kids cameras and shoot the whole set up. It's proving to be not quite as easy as I'd hoped.
 
Oh, dammit, we don't have to be that strict, do we? Posting an eBay link as a mere source of information is not commercial activity, is it? :p

A little more flexibility please, if I may?

Matt
 
No link perhaps, but a reference to yeeBay # for 'informing' people might not be breaking the rule's spirit? Just asking ... :)
 
Hi Chris,

I don't have any magnifying device what goes over 40x, but I looking for usb microscope. However, I have some info for you about enhancing the scope pictures. The process name is focus stacking.

ImageJ: http://bigwww.epfl.ch/demo/edf/index.html - quite complicated software, it's appreciated in science. With right plugin it allows you to reduce the chromatic aberration and even to create anaglyth pictures http://www.dentistry.bham.ac.uk/landinig/software/software.html and 3d models.

Other software:
http://en.wikipedia.org/wiki/Focus_stacking

Some example pictures what are made with using of Focus Stacking:
http://www.wonderfulphotos.com/articles/macro/focus_stacking/

Regards,
Urmas

Edit: I'm sorry about this off-topic post.
 
wdwrx said:
Ralfy, I took the link out. I tried to steal the photo first from eBay but it wouldn't move to my Desktop, maybe you'll have better luck.
Oh well.
Click to expand...

Thanks Chris, that may have been needed though, why not start a marketplace thread with "I use this on my scope" and pop the link there

BTW I cant follow the link now you took it down, now can I :blink: hahaha

Best Regards
Ralfson (Dr)
 
I have a usb microscope that goes to 400x. The blades never look sharp enough so it can be deceiving. It was around $60 if I remember. Maybe less
 
Thanks' Urmas, I'll spend some time and check out those links. I've found another site this morning that gave me a glimmer of this "stacking", and a few other pointers. I'll have to bone up on my owner's manual. I think that my camera is capable of "live view" though i've never explored most of it's features. It's simply an entry level Canon Rebel, and it taxes me as it is... I'm just glad that digital exposures are fundamentaly cost free. I can remember the days when every click of the shutter would cost me a buck. Made developing any photography skills pretty cost prohibitive. I opted out of the USB camera, in part because with my Mac, and the issuse it's got, I'm reluctant to deal with anything that requires software instaltions, and I'm already quite heavily invested iin the Canon line (as they say;) ) and it might let me take advantage of this cool reflective telescope I've got (one more thing to do...)


Matt, sorry, I'll get around to posting some photo's of my set up, but a quick description would be that it's simply an adapter (t-ring thinggy...?...) with a thread-in barrel containing another optical element that sits snugly in the third tube of my 'scope.


Here's one more photo, this time of the edge that Gary put in my J.Haywood, at 100x. Note the continutity of the very line of the bevel, devoid of any defects or anomalies. Also, the bright line visible at the tip is quite pronounced, due, I think, to this razor now having about 7 shaves on it; it was starting to show a bit of roughness and pulling the last time I used it.
In a classic "d'oh!" type manuver, I bumped it off the stupid jig I have, and knocked it into the barrel of the lense, which left a sensible roughness in the edge. That was enough for me for today.:thumbdown:
IMG_1594.jpg
 
I have an intel iMac and the usb camera couldn't be more simple. As a matter of fact none of the options that are available in Windows are active. Its just focus and click.
 
wdwrx said:
Matt, sorry, I'll get around to posting some photo's of my set up, but a quick description would be that it's simply an adapter (t-ring thinggy...?...) with a thread-in barrel containing another optical element that sits snugly in the third tube of my 'scope.
Click to expand...
Okay, so you additionally use a scope apart from a camera :) That makes it all clear. I thought you achieved such magnification with only a lens and macro rings or an additional converter of some kind.

thanks,
Matt
 
tat2Ralfy said:
wdwrx said:
Ralfy, I took the link out. I tried to steal the photo first from eBay but it wouldn't move to my Desktop, maybe you'll have better luck.
Oh well.
Click to expand...

Thanks Chris, that may have been needed though, why not start a marketplace thread with "I use this on my scope" and pop the link there

BTW I cant follow the link now you took it down, now can I :blink: hahaha

Best Regards
Ralfson (Dr)
Click to expand...

The rule that links to a sale need to go in the Marketplace only applies in 3 cases:

1. you are linking to an item for no other reason than to discuss the sale.
2. you are linking to an item that you sell yourself or on behalf of a seller, in the hope to promote sales
3. you are linking to an item that you contemplate to buy.

I all other cases, i.e. if link is just part of an ongoing conversation that started with no commercial interests, there is no restriction on linking to stores or sales.
We try to drawn the line between consumer information and advertising.

Kind regards,
Bart.
 
Thanks for the clarification Bart. I'd often wondered what the motivation behind the rule is. It's good to know.
Nevertheless, I've found a different image of the same thing, though it's not really required:
images-2.jpg

I seem to have a hard time bringing the subject into good focus for the image. In part, the image in the view finder is too small to easily see, and looking through the eye-piece, which corrects for my near-sightedness, makes it focus differently from the camera. I've really got a bit of home-work to do before I can turn out some good images. Number one on my list is to make a more secure jig to hold the razor so i don't bump the *%$*! thing.
 
Can't you adjust the focus while looking on the computer screen?

Kind regards,
Bart
 
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