Search found 9 matches

by Microbeus
Mon Nov 28, 2016 2:46 am
Forum: Pictures and Videos
Topic: Video clip: the gut of a Nematode
Replies: 6
Views: 1266

Re: Video clip: the gut of a Nematode

It's good that there are some expert biologists on this forum....I am certainly not one!
The first part was taken using a Zeiss Neofluar 6.3/0.20, the DIC part was done with a Zeiss Plan-Neofluar 16/0.50 imm in water immersion.
by Microbeus
Mon Nov 28, 2016 2:08 am
Forum: Pictures and Videos
Topic: Same Spider:
Replies: 10
Views: 1790

Re: Same Spider:

The green and gold colours on the fangs are no doubt interference colours. They could be caused by the fangs being covered with a number of semi transparent layers less than one wavelength thick, or more likely by some kind of uneven surface, where some light is reflected out of phase with some more...
by Microbeus
Tue Nov 15, 2016 3:26 am
Forum: Pictures and Videos
Topic: Video clip: the gut of a Nematode
Replies: 6
Views: 1266

Video clip: the gut of a Nematode

A little clip showing the Peristaltic Contractions of the gut of a Nematode. I came across a wriggling mass of them in the bottom debris of my rain barrel. After lifting one out using one of my own hairs (glued to a wooden stick with a drop of mounting media) I first tried to pacify it with some dil...
by Microbeus
Sat Aug 13, 2016 4:17 am
Forum: Digital processing
Topic: How not to do a focus stack!
Replies: 22
Views: 16543

Re: How not to do a focus stack!

barrel.jpg alysium seedpods.jpg I have done quite a bit of stacking, mostly with the stereomicroscope, the subjects either insects or small flowers. I tend to work with 15 - 25 images to stack. , taking several below and above the object. When viewing the individual images I delete the ones that ha...
by Microbeus
Sat Aug 06, 2016 8:17 pm
Forum: My microscope
Topic: my microscope collection
Replies: 5
Views: 3161

Re: my microscope collection

Thanks Kurt!
by Microbeus
Sat Aug 06, 2016 4:14 am
Forum: My microscope
Topic: my microscope collection #2
Replies: 2
Views: 1985

my microscope collection #2

This message continues from my earlier one, with the rest of the images.
by Microbeus
Sat Aug 06, 2016 4:08 am
Forum: My microscope
Topic: my microscope collection
Replies: 5
Views: 3161

my microscope collection

In my years working for Carl Zeiss, Wild-Leitz and later Leica I have come across a lot of redundant equipment languishing under benches. Often the owners were quite happy to give them away in return for some servicing of their current microscopes. I wasn't interested in anything other than Leitz, W...
by Microbeus
Wed Jul 27, 2016 11:34 pm
Forum: My microscope
Topic: stereomicroscope outfit for image stacking
Replies: 6
Views: 2525

stereomicroscope outfit for image stacking

A problem with taking pictures of 3-dimensional objects with the stereo microscope is often the lack of depth of focus. The structure and detail of the top surface is clear, but the overall shape is lost. I use the freeware CZM available through the microscopy.org.uk website to combine a series of i...
by Microbeus
Wed Jul 27, 2016 11:08 pm
Forum: Introduce yourself
Topic: Hi from New Zealand
Replies: 7
Views: 2111

Hi from New Zealand

My name is Paul. Worked for Carl Zeiss NZ as a microscopy consultant and branch manager since 1978, with a 9 year stint in between as the same for Wild-Leitz (later Leica). As a result I have a nice collection of both antique (oldest 1855) and more current (1980's) microscopes. Mostly Zeiss, and som...