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shared reference silicon wafer for comparisons
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1680
Location: Phoenix, Arizona

PostPosted: Sat Mar 07, 2020 1:34 pm    Post subject: Reply with quote

RobertOToole wrote:

The seller probably picked up an entire stack of these for $20, he's going to make a killing if he can get $100 each.

Robert


You could by a nice Thorlabs resolution test target for about that.

-JW
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lothman



Joined: 14 Feb 2009
Posts: 418
Location: Stuttgart/Germany

PostPosted: Mon Mar 16, 2020 9:00 am    Post subject: Reply with quote

Hi,
it seems that the European members already received the reference chips, and tracking says that the oversea shippings all received the destination country. If you don't receive anything please let me know.
regards
Lothar
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joeD



Joined: 22 Sep 2017
Posts: 7
Location: Spain

PostPosted: Mon Mar 16, 2020 9:14 am    Post subject: Reply with quote

lothman wrote:
Hi,
it seems that the European members already received the reference chips, and tracking says that the oversea shippings all received the destination country. If you don't receive anything please let me know.
regards
Lothar

Hi i haven't received the chip nor a tracking number , did you miss my PM maybe ?
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lothman



Joined: 14 Feb 2009
Posts: 418
Location: Stuttgart/Germany

PostPosted: Mon Mar 16, 2020 9:48 am    Post subject: Reply with quote

joeD wrote:

Hi i haven't received the chip nor a tracking number , did you miss my PM maybe ?


I didn't say that I sent tracking numbers to everybody Wink

I sent everybody who I listed in this thread. Since forum nicknames and real names or emails are not linked, providing mails with trackingnumber was too much for a lazy guy like me.

regards
Lothar

P.S.: But your chip has arrived in Spain.
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mawyatt



Joined: 22 Aug 2013
Posts: 2452
Location: Clearwater

PostPosted: Sat Mar 21, 2020 6:58 am    Post subject: Reply with quote

Lothar,

Just received the surprise package in the mail.

Thanks so much!!

Best,

Mike
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Macro_Cosmos



Joined: 15 Jan 2018
Posts: 628
Location: Sydney

PostPosted: Sat Mar 21, 2020 8:56 am    Post subject: Reply with quote

Mine came in last Friday, thanks Loth! Smile
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houstontx



Joined: 31 Jul 2015
Posts: 297

PostPosted: Thu Mar 26, 2020 1:25 pm    Post subject: Reply with quote

Some single shots of test slide and IC on a Zeiss Standard, EPI DIC. 5,20, and 40x Pol objectives. Canon t3i on zeiss dovetail adapter and 8x eyepiece Afocal with 50mm lens. Thanks again Lothman!





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khw



Joined: 09 Nov 2009
Posts: 7

PostPosted: Thu Mar 26, 2020 8:49 pm    Post subject: Test Target Reply with quote

Picked up mine from the Post Office two days ago. Will be checking it out soon. Thanks, Lothar.

Be healthy
Keith
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Macro_Cosmos



Joined: 15 Jan 2018
Posts: 628
Location: Sydney

PostPosted: Fri Mar 27, 2020 11:19 am    Post subject: Reply with quote

I have some laser cut silicon wafers that will be sent to me in some time. Hopefully the virus mess is over and people get better.

These are professionally laser cut and came out of identical wafers. I'll post information when I get the slides. From the photos I've seen, they feature very good detail at sub-micron levels. Covers a relatively large range as well, and kind of "neutral" in colour.

I should be able to get 20-30 copies. Will be happy to send to anyone that's willing to pay for postage.
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Macro_Cosmos



Joined: 15 Jan 2018
Posts: 628
Location: Sydney

PostPosted: Mon Apr 20, 2020 12:32 pm    Post subject: Reply with quote

Here's one section of the chip I'm talking about.


This is some kind of resolution chart. Some sections out-resolve NA 0.9 objectives. Above is taken with an Oly 20x NA0.75 I believe. I didn't take the photo.

I should have around 30 of these that will be sent to me after shipping is more stable. I don't have a time. It might be 1 month, might be 3+, depends on the mood of covid-19. ...and our incompetent politicians

There's lots of other details on the chip, it's good for 1x as well as higher mag.

I'll gather an "interest" list when I actually get them, so please don't PM yet. One per person, please cover postage cost (China>Australia>[...], CN>AU will be divided so it's going to be a small amount) and that's it. I should be able to post it in an envelope for cheap.
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Lou Jost



Joined: 04 Sep 2015
Posts: 4261
Location: Ecuador

PostPosted: Mon Apr 20, 2020 12:42 pm    Post subject: Reply with quote

Thanks for discovering and distributing thois; it is great to have labeled reference features!
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Macrero



Joined: 01 Sep 2011
Posts: 835
Location: Valladolid , Spain

PostPosted: Tue Apr 21, 2020 7:48 am    Post subject: Reply with quote

Macro_Cosmos wrote:
. Above is taken with an Oly 20x NA0.75 I believe.


Oly UPlanSApo 20/0.75? Bear in mind that it is a coverslip corrected objective and just as with the Nikon APO 20/0.75, image would not be optimal when used on camera without coverslip.

- Macrero
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Macro_Cosmos



Joined: 15 Jan 2018
Posts: 628
Location: Sydney

PostPosted: Tue Apr 21, 2020 11:11 am    Post subject: Reply with quote

Macrero wrote:
Macro_Cosmos wrote:
. Above is taken with an Oly 20x NA0.75 I believe.


Oly UPlanSApo 20/0.75? Bear in mind that it is a coverslip corrected objective and just as with the Nikon APO 20/0.75, image would not be optimal when used on camera without coverslip.

- Macrero

It's probably the NA0.7 one with 0-1.6mm coverglass adjustment collar. I'll ask him later.
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