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Substitute for the resolution test slide 3000
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Adalbert



Joined: 30 Nov 2015
Posts: 720

PostPosted: Mon Jan 09, 2017 11:59 am    Post subject: Substitute for the resolution test slide 3000 Reply with quote

Hello everyone,
I have been looking for the substitute for the resolution test slide 3000 and have collected the following ideas up to now:
- Millimeter paper
- Banknotes
- Display of the smartphone
- CD, DVD, Blu-ray
- Cheap slides like that :
http://www.ebay.com/itm/Microscope-Eyepiece-Lens-Micrometer-Calibration-Slide-for-Calculate-Area-D-25mm-/171868310158?hash=item2804264a8e:g:29cAAOSw3ydVsbTm

Does anybody know other objects which could be used for the measuring of the resolution?
Cheap common items everyone has, and the photographs of them should be comparable.
I’m asking about that because I would like to define an approach in order to compare the resolution of the optical setups of the different users.

Thank you in advance.
BR, ADi


Last edited by Adalbert on Tue Jan 10, 2017 4:41 am; edited 1 time in total
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Beatsy



Joined: 05 Jul 2013
Posts: 1526
Location: Malvern, UK

PostPosted: Tue Jan 10, 2017 3:49 am    Post subject: Reply with quote

Butterfly wing scales and diatom (test slides) are good "natural"measures of old.
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ChrisR
Site Admin


Joined: 14 Mar 2009
Posts: 8369
Location: Near London, UK

PostPosted: Tue Jan 10, 2017 7:16 am    Post subject: Reply with quote

That's in interesting slide Adi. I feel that I'm missing some understanding on what the numbers mean Confused

I think something flat would be preferable as a universal standard. With things like butterfly wings, the lighting makes so much difference.
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aidanmoore



Joined: 24 Sep 2015
Posts: 80
Location: Toronto

PostPosted: Tue Jan 10, 2017 6:27 pm    Post subject: Reply with quote

Hi,

I purchased a very inexpensive 1um diffraction grating:

http://www.ebay.com/itm/Pack-of-10-Diffraction-Grating-Slide-Holographic-1000-Lines-mm-2-x2-/282294396142?hash=item41ba0ea4ee:g:N2sAAOSwcUBYGOBR

and I can resolve the 1 um spaced lines with my 60X Apo air quite clearly.The contrast is not fantastic but they appear to be a very inexpensive tool for 1um resolution tests.
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Adalbert



Joined: 30 Nov 2015
Posts: 720

PostPosted: Tue Jan 17, 2017 7:49 am    Post subject: Reply with quote

Hello everybody,

Many thanks for the hints!

So, I have already ordered two holographic slides ( 500 and 1000 ) and the following test:
http://www.ebay.de/itm/Mikroskop-Testpraparat-fur-z-B-Zeiss-Jena-Nikon-Olympus-Lomo-Zeiss-Oberkochen-/291997573016?hash=item43fc695f98:g:PokAAOSwt5hYdh2T

BR, ADi
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 19978
Location: Richland, Washington State, USA

PostPosted: Tue Jan 17, 2017 1:51 pm    Post subject: Reply with quote

Adalbert wrote:
http://www.ebay.de/itm/Mikroskop-Testpraparat-fur-z-B-Zeiss-Jena-Nikon-Olympus-Lomo-Zeiss-Oberkochen-/291997573016?hash=item43fc695f98:g:PokAAOSwt5hYdh2T

This slide looks very interesting. Too bad they will not ship to U.S.

--Rik
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Beatsy



Joined: 05 Jul 2013
Posts: 1526
Location: Malvern, UK

PostPosted: Tue Jan 17, 2017 2:04 pm    Post subject: Reply with quote

It does look pretty useful. They ship to the UK and I'm going to get (at least) one. Happy to buy extras and forward at cost to the USA if it helps. I'll wait 24 hours before ordering. PM me if you want one.
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Saul



Joined: 31 Jan 2011
Posts: 1447
Location: Naperville, IL USA

PostPosted: Tue Jan 17, 2017 2:31 pm    Post subject: Reply with quote

Adalbert wrote:
http://www.ebay.de/itm/Mikroskop-Testpraparat-fur-z-B-Zeiss-Jena-Nikon-Olympus-Lomo-Zeiss-Oberkochen-/291997573016?hash=item43fc695f98:g:PokAAOSwt5hYdh2T

Great, thanks ! Daughter is in EU and seller can ship to the non-confirmed Paypal address
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Saul
Studio, horizontal and field setups
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1426
Location: Phoenix, Arizona

PostPosted: Tue Jan 17, 2017 5:25 pm    Post subject: Reply with quote

I would like to have one of those but they don't ship to the USA.
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Beatsy



Joined: 05 Jul 2013
Posts: 1526
Location: Malvern, UK

PostPosted: Wed Jan 18, 2017 2:26 am    Post subject: Reply with quote

Smokedaddy wrote:
I would like to have one of those but they don't ship to the USA.

Pm me. I'm buying a bunch and shipping them on to usa members at cost.

Pls notevall, this slide is only useful for epi work. It's a piece of a wafer glued to a glass slide. Covered in chip masks but with the test patterns in the centre.
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dolmadis



Joined: 07 Dec 2011
Posts: 627
Location: UK

PostPosted: Wed Jan 18, 2017 3:16 am    Post subject: Reply with quote

I wanted to purchase one of these from the UK but when I try the BIN I am advised to contact the seller for postage/shipping.

But I haven't got a reply. Did ask in the German Language because ebay.de.

Anyone managed to proceed to Buy It Now?

I have also emailed them to ask for more information.

BR

John
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johan



Joined: 06 Sep 2011
Posts: 1004

PostPosted: Wed Jan 18, 2017 3:32 am    Post subject: Reply with quote

I just bought one - via their website. Go to http://www.bw-optik.de/mik.-zubehoer/testpraeparat/316/testpraeparat and you can order it to go to the USA too
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ChrisR
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Joined: 14 Mar 2009
Posts: 8369
Location: Near London, UK

PostPosted: Wed Jan 18, 2017 3:45 am    Post subject: Reply with quote

I've also asked the fellow in German.
4 Euros to UK for one, 9 Euros for more.
Seems to be freundlich and hilfsbereit !
That's via Ebay.
---


NB order to UK via their web site was post free - that obviously saves their eBay fees


It's well worth poking around the rest of their http://www.bw-optik.de/ site, to see what equipment they handle. See the LEDxxx tabs for their pictures/ testimonies on replacement LED and Fluorescing light sources.

Nice find, Adi! Smile

(tag bw-optik )
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Beatsy



Joined: 05 Jul 2013
Posts: 1526
Location: Malvern, UK

PostPosted: Wed Jan 18, 2017 12:17 pm    Post subject: Reply with quote

johan wrote:
I just bought one - via their website. Go to http://www.bw-optik.de/mik.-zubehoer/testpraeparat/316/testpraeparat and you can order it to go to the USA too


Now that Johan found this, my previous offer to buy and forward is probably redundant.

Given that - I will assume everyone who's contacted me already would prefer to buy direct and I will only order one for myself.

If you would still like me to buy one and forward it to you, please send me *another* PM to confirm you want this. I'll wait another 24 hours before ordering.

Cheers.
Beats.

Edit: actually - could you also drop me a PM to confirm if you're buying direct too. That way I'll be sure everyone has seen this post. Thanks
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 19978
Location: Richland, Washington State, USA

PostPosted: Wed Jan 18, 2017 1:36 pm    Post subject: Reply with quote

I just placed an order at bw-optik.de, using Google Chrome browser to take advantage of its auto-translate to English. The order went through postage-free for a total of €10.92, payment by PayPal.

The only oddity was that the shipping address got formatted as "Streetname 629" instead of the standard US format "629 Streetname". I was concerned that this might cause a hiccup at PayPal, but in fact no problem.

The product description at http://www.bw-optik.de/mik.-zubehoer/testpraeparat/316/testpraeparat has more pictures than are shown at eBay. Some of them are closeups that suggest this test slide is very good indeed, for example line width of 0.4 micron with spacing of 1.9 micron, combined with a wedge that tests even finer spacing. Here is a screen capture from their website:



If the product matches the illustrations, then this will be a really Really good deal.

--Rik
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