Oh my God ... noooo!
It hurts ...
and feels again ...
like it is too often ...
that the good ones ...
leave us too early.
--Betty
Search found 1400 matches
- Tue Mar 26, 2024 7:27 am
- Forum: General Discussion Forum and Community Announcements
- Topic: Loss of Robert OToole
- Replies: 47
- Views: 1941
- Thu Feb 22, 2024 11:04 am
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: P. ulysses with the "weird Nikon"
- Replies: 15
- Views: 5936
Re: P. ulysses with the "weird Nikon"
Thanks! Understood!but the same seller offers the "normal" version for 50-60$ more and accepts offers
--Betty
- Wed Feb 21, 2024 4:26 pm
- Forum: Photography Through the Microscope
- Topic: Soy Sauce landscape
- Replies: 7
- Views: 637
Re: Soy Sauce landscape
This looks beautiful!
--Betty
--Betty
- Wed Feb 21, 2024 4:17 pm
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: Debunking the high NA / coverslip correction myth
- Replies: 75
- Views: 33374
Re: Debunking the high NA / coverslip correction myth
Maybe you are aware of it anyway, but just in case to help with your trials: For such high NA objectives, as cover slip/cover glass thickness is critical for best performance, I recall that in the lab there were coverslips with narrower tolerances than the standard ones around. I just had a look at ...
- Wed Feb 21, 2024 3:41 pm
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: P. ulysses with the "weird Nikon"
- Replies: 15
- Views: 5936
Re: P. ulysses with the "weird Nikon"
Yeah, when it comes to sourcing used tech equipment, the grass for our US American friends on the other side of the pond is so much greener than over here. :) :wink: Thanks for sharing your thoughts, guys. With your refocussing method findings you have blazed a new trail, Hristo! And thanks for the ...
- Tue Feb 20, 2024 5:03 pm
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: P. ulysses with the "weird Nikon"
- Replies: 15
- Views: 5936
Re: P. ulysses with the "weird Nikon"
Thanks for the clarification, Hristo! Have you ever used such an "unbranded" 1501-9398 20x Nikon with good results? Or if not, do you expect they could give good results by your refocussing method? I ask since they are cheaper than the branded ones... after all we disadvantaged Europeans have to pay...
- Tue Feb 20, 2024 4:23 pm
- Forum: Equipment Discussions
- Topic: short locking tweezers or other small holders / manipulators? Alligator too harsh, fragile subjects for pins
- Replies: 7
- Views: 484
Re: short locking tweezers or other small holders / manipulators? Alligator too harsh, fragile subjects for pins
For fragile, delicate objects often so called featherweight forceps are used. They are made of very flexible stainless steel, so the force of the grip is just given by the spring force of the flexible steel which avoids damaging or crushing the fragile objects. I haven't seen locking featherweight f...
- Tue Feb 20, 2024 4:09 pm
- Forum: Equipment Discussions
- Topic: Specimen holding, this surplus goniometer or an aliexpress xyz linear stage?
- Replies: 11
- Views: 910
Re: Specimen holding, this surplus goniometer or an aliexpress xyz linear stage?
What are you using for the vertical linear motion surface for Z(on the back side of this) ? Sandwiched between the two angle brackets is a Newport M-426 linear stage. Also, I've got rough mental plans to motorize my goniometer so I can move the subject itself via Wi-Fi and a pi pico w. Yeah, I have...
- Tue Feb 20, 2024 12:33 pm
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: P. ulysses with the "weird Nikon"
- Replies: 15
- Views: 5936
Re: P. ulysses with the "weird Nikon"
Awesome details and very nice lighting!
Was "the weird Nikon" used here one of those Nikons from a gene sequencer, designed to be used with the thicker glass of a flow cell, just labelled with a number like 1501-9398?
--Betty
Was "the weird Nikon" used here one of those Nikons from a gene sequencer, designed to be used with the thicker glass of a flow cell, just labelled with a number like 1501-9398?
--Betty
- Tue Feb 20, 2024 11:16 am
- Forum: Photography Through the Microscope
- Topic: Insect fece
- Replies: 3
- Views: 424
Re: Insect fece
"Hmmmm" indeed, .... for a faecal pellet this object seems to have a lot of structures. From where it was found and from its looks, I am with Scarodactyl, that it reminds of a tapeworm proglottis. Half the size of a sesame seed woud be rather small, and despite your photo through the microscope, one...
- Tue Feb 20, 2024 10:47 am
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: kitchen ants (pictures added)
- Replies: 31
- Views: 1788
Re: kitchen ant
I very much enjoy your new stereo pair that shows the mouthparts from below. So many details, lovely! I am surprised to hear about the "endangered" status. Are your Tapinoma species not fond of living in kitchens like ours? As to the "endagered" status: With Germany being a rather densely populated ...
- Sun Feb 11, 2024 4:55 am
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: kitchen ants (pictures added)
- Replies: 31
- Views: 1788
Re: kitchen ant
More outstanding photographs! The stereos of the mouthparts are a treat and really rock! And you have even managed to capture the "eyelet" in a living specimen! I wonder why the picture of the petiolus in my key doesn't show it, and neither is it mentioned in the text. Now I have to look at a Tapino...
- Sun Feb 11, 2024 4:09 am
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: How to make micro light inexpensively
- Replies: 1
- Views: 651
Re: How to make micro light inexpensively
Good and useful hack!
It's small and portable, so I can imagine it could be useful especially for field work.
Thanks for sharing!
--Betty
It's small and portable, so I can imagine it could be useful especially for field work.
Thanks for sharing!
--Betty
- Sun Feb 11, 2024 3:57 am
- Forum: Technical and Studio Photography -- Macro and Close-up
- Topic: 2 types of nival (appearing at the border of snow cover) myxomycetes
- Replies: 4
- Views: 422
Re: 2 types of nival (appearing at the border of snow cover) myxomycetes
Very nice!
It seems this objective works very well with the Canon zoom as tube lens surrogate.
And thanks for the information on the photographed subject and where it comes from. I always appreciate that.
--Betty
It seems this objective works very well with the Canon zoom as tube lens surrogate.
And thanks for the information on the photographed subject and where it comes from. I always appreciate that.
--Betty
- Sat Feb 10, 2024 12:24 pm
- Forum: Equipment Discussions
- Topic: Specimen holding, this surplus goniometer or an aliexpress xyz linear stage?
- Replies: 11
- Views: 910
Re: Specimen holding, this surplus goniometer or an aliexpress xyz linear stage?
Attached is a picture how I've added Z and Rz to my diffractometer head with spare parts I had on the shelf for some time. The linear stage, here sandwiched vertically between two angle brackets, would also allow for manual stacking, if this specimen holder/stage was used in a vertical setup below t...