Search found 6315 matches

by 75RR
Mon Jan 20, 2020 3:44 pm
Forum: Specimens, samples and slides
Topic: 100 x oil for water life
Replies: 5
Views: 102

Re: 100 x oil for water life

I think one of the main points is to make sure that the water layer is as thin as possible. Check the working distance of the objective - a cover slip lying on top of too much water may well exceed this distance. If it there is too much water then the objective pushes against the cover slip as one a...
by 75RR
Sun Jan 12, 2020 2:31 pm
Forum: For forum members who want to buy and sell equipment
Topic: Zeiss WL in Australia
Replies: 0
Views: 48

Zeiss WL in Australia

Zeiss WL for sale in Australia at what could turn out to be a reasonable price depending on final condition. Seems to be missing stage holder + stage + eyepieces. Best to contact seller on that, he may have them. I would say it is worth a look if buyer is local. https://www.ebay.co.uk/itm/Vintage-Ca...
by 75RR
Fri Jan 10, 2020 7:42 am
Forum: My microscope
Topic: My Zeiss Microscopes
Replies: 81
Views: 29083

Re: My Zeiss Microscopes

Nice design features in that table insert - well made, well thought out.
by 75RR
Wed Jan 08, 2020 10:26 pm
Forum: Pictures and Videos
Topic: Salt mix
Replies: 17
Views: 385

Re: Salt mix

Nicely done. Good to see sharply focused polarized crystals.
by 75RR
Fri Jan 03, 2020 9:21 pm
Forum: Microscopes and optics
Topic: Zeiss ocular projective
Replies: 6
Views: 178

Re: Zeiss ocular projective

I imagine that it is similar to the Micpro:
(page is from Zeiss Optical Systems Brochure)
by 75RR
Fri Jan 03, 2020 9:14 pm
Forum: Pictures and Videos
Topic: Fast Amoeboid
Replies: 11
Views: 329

Re: Fast Amoeboid

Nice video!

Congratulations on the Nikon TMD DIC
by 75RR
Fri Jan 03, 2020 9:11 pm
Forum: Pictures and Videos
Topic: Cyanobacteria?
Replies: 2
Views: 101

Re: Cyanobacteria?

I would say yes. Possibly Anabaena sp.
by 75RR
Tue Dec 31, 2019 10:29 am
Forum: Pictures and Videos
Topic: Copepod (harpacticoida?) dying
Replies: 4
Views: 181

Re: Copepod (harpacticoida?) dying

looks like it was crushed by the cover slip - easy to do I would assume they are Lipids (if Triglycerides, they would be for energy storage) https://www.researchgate.net/publication/237442550_Lipid_sterols_and_fatty_acids_of_abyssal_polychaetes_crustaceans_and_a_cnidarian_from_the_northeast_Pacific_...
by 75RR
Thu Dec 26, 2019 4:49 pm
Forum: Pictures and Videos
Topic: Acridine orange adventures
Replies: 9
Views: 377

Re: Acridine orange adventures

wonderful images ... well done.

I see the upgrade you mentioned is paying dividends!

viewtopic.php?f=24&p=73559#p73559
by 75RR
Sat Dec 14, 2019 8:30 pm
Forum: My microscope
Topic: My Zeiss Microscopes
Replies: 81
Views: 29083

Re: My Zeiss Microscopes

Ideal solution for an infinity system.

Made to order phototube I suppose, is it adjustable?

What is the camera sensor size?
by 75RR
Sat Dec 14, 2019 7:56 am
Forum: Pictures and Videos
Topic: Diatoms from the Seychelles!
Replies: 13
Views: 873

Re: Diatoms from the Seychelles!

KurtM wrote:
Sat Dec 14, 2019 12:51 am
Here's an article I found pretty interesting on the very subject:
https://tinyurl.com/u5bchhq
Many thanks for the link. Impressive work.
by 75RR
Sat Dec 14, 2019 7:43 am
Forum: Pictures and Videos
Topic: Navicula lyra
Replies: 15
Views: 1002

Re: Navicula lyra

Many thanks KurtM,

I believe the 63x heard you, it vexed me today! :)
by 75RR
Fri Dec 13, 2019 8:44 pm
Forum: Pictures and Videos
Topic: Diatoms from the Seychelles!
Replies: 13
Views: 873

Re: Diatoms from the Seychelles!

Diatoms are a bit like architecture - once you have grasped the general concept it becomes understandable.
It would be nice to have 3D representations of some of them.
by 75RR
Fri Dec 13, 2019 8:41 pm
Forum: Pictures and Videos
Topic: Navicula lyra
Replies: 15
Views: 1002

Re: Navicula lyra

Many thanks tgss and ImperatorRex
by 75RR
Fri Dec 13, 2019 12:06 pm
Forum: Pictures and Videos
Topic: Diatoms from the Seychelles!
Replies: 13
Views: 873

Re: Diatoms from the Seychelles!

Here comes the next diatom, probably girdle band view and of a very interesting shape. Do you have an ID for this one, Glen? http://www.microbehunter.com/microscopy-forum/download/file.php?id=16266 Bob I think it might be a Biddulphia possibly Biddulphia capusina or Biddulphia tridens: https://www....
by 75RR
Fri Dec 13, 2019 7:24 am
Forum: Pictures and Videos
Topic: Diatoms from the Seychelles!
Replies: 13
Views: 873

Re: Diatoms from the Seychelles!

Thanks for the link - useful to have. I have to agree that it is not Licmophora (I am still in shock) but neither is it Cocconeis Note that the plate numbers are above the image, not below. That would make it plate 6 See link below for confirmation So looks like it is: Climacosphenia elongata https:...
by 75RR
Fri Dec 13, 2019 5:12 am
Forum: Pictures and Videos
Topic: Diatoms from the Seychelles!
Replies: 13
Views: 873

Re: Diatoms from the Seychelles!

Very nice image, like how it shows off the variety and detail. Great ad for diatoms. Long diatom running left to right looks like the valve view of a Licmophora https://naturalhistory2.si.edu/smsfp/IRLSpec/images/Licmop_grandi_1LG.jpg http://www.microbehunter.com/microscopy-forum/viewtopic.php?t=783...
by 75RR
Wed Dec 11, 2019 9:52 am
Forum: Pictures and Videos
Topic: Navicula lyra
Replies: 15
Views: 1002

Re: Navicula lyra

Many thanks mintakax, PeteM, Sabatini and Radazz
by 75RR
Tue Dec 10, 2019 4:32 pm
Forum: Pictures and Videos
Topic: Dancing worms in on of my pond tanks probably Tubifex
Replies: 4
Views: 361

Re: Dancing worms in on of my pond tanks

Nice!

We are all going to end up getting aquariums at this rate ...
by 75RR
Sun Dec 08, 2019 8:20 pm
Forum: Illumination Techniques
Topic: Darkfield for AO 570
Replies: 10
Views: 1029

Re: Darkfield for AO 570

Works surprisingly well.
Agree, very nice!
by 75RR
Sun Dec 08, 2019 7:12 pm
Forum: Illumination Techniques
Topic: Darkfield for AO 570
Replies: 10
Views: 1029

Re: Darkfield for AO 570

My usual technique is a variation of David Walker's in Micscape at this link-
http://www.microscopy-uk.org.uk/mag/ind ... ht-DF.html
Interesting technique! Thanks for the link to the article

Nice black in the second image
by 75RR
Sun Dec 08, 2019 7:06 pm
Forum: Pictures and Videos
Topic: Diatom from Pesacola, Florida
Replies: 6
Views: 439

Re: Diatom from Pesacola, Florida

Very attractive image + most interesting diatom. Do you have an id for it?
by 75RR
Wed Dec 04, 2019 8:12 pm
Forum: Pictures and Videos
Topic: Stauroneis phoenicenteron (COL-DIC)
Replies: 4
Views: 420

Re: Stauroneis phoenicenteron (COL-DIC)

Thanks tgss

Even though the COL would be better with a larger annulus I think it still shows it to be a good step up on brightfield.
by 75RR
Wed Dec 04, 2019 7:05 am
Forum: Pictures and Videos
Topic: Stauroneis phoenicenteron (COL-DIC)
Replies: 4
Views: 420

Stauroneis phoenicenteron (COL-DIC)

-
Planapo 63x/1.4, COL and DIC, 100µm length stacked in Photoshop

This is from a Klaus Kemp 8 Form slide

Not the fairest of comparisons as I used the position III phase annulus in the condenser to achieve COL and it is a little small for best results with the 63x
by 75RR
Wed Dec 04, 2019 4:49 am
Forum: Pictures and Videos
Topic: Pater noster tractor ruts meiofauna and protists
Replies: 37
Views: 3101

Re: Pater noster tractor ruts meiofauna and protists

The "Ponds & Ditches" book is available here :- https://archive.org/details/b28128229 Thanks Like the description of Spirogyra: "When viewed under the microscope, with a power of one or two hundred diameters, the bands of chlorophyll, or green colouring matter, are seen disposed in various elegant ...
by 75RR
Tue Dec 03, 2019 4:24 am
Forum: Miscellaneous
Topic: Private Messages Question
Replies: 3
Views: 259

Re: Private Messages Question

New members can receive a PM but can not send them until either a certain time has passed or they have posted x number of times. Not sure which or how much/many

Once you can send PMs you will notice that the they stay in the outbox until the recipient has seen them, they then appear as sent.
by 75RR
Mon Dec 02, 2019 4:08 pm
Forum: Introduce yourself
Topic: Where do I post comments / questions on the forum
Replies: 5
Views: 383

Re: Where do I post comments / questions on the forum

None of the sub forum listing seem to be for general information / conversations / topics. So I guess I post on this one then. There is no conversation section as such, though I think if you scroll down a bit you will find that most areas of interest in a microscopy forum are covered. If something ...
by 75RR
Sun Dec 01, 2019 12:24 pm
Forum: Miscellaneous
Topic: Microlife Services (Klaus Kemp)
Replies: 4
Views: 363

Re: Microlife Services (Klaus Kemp)

Thanks photomicro, no rush as such, just wanted confirmation that Microlife Services was till up and running. good to know it is :)
by 75RR
Sun Dec 01, 2019 4:46 am
Forum: Miscellaneous
Topic: Microlife Services (Klaus Kemp)
Replies: 4
Views: 363

Re: Microlife Services (Klaus Kemp)

Thanks, good to know!
by 75RR
Sat Nov 30, 2019 12:52 pm
Forum: Microscopes and optics
Topic: Microscope for my wife?
Replies: 10
Views: 644

Re: Microscope for my wife?

My wife wants to get a microscope that would allow her to take images of "microscopic stuff" Looking back at the original post, I wonder if perhaps a more detailed description of what microscopic stuff actually entails may help us provide you with a better answer. Talking about a better answer, in ...