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Last year a neighbour cut down a very old pear tree which is covered in old moss. They gave it to us for firewood, but every time I've taken samples from this moss, I've found multiple tardigrades, so now I refuse to let my husband burn it! A few days ago I took another sample which I left in a petri dish with some rain water to re-hydrate the sample for a day and a half.
I used my C. Baker London vintage histology binocular microscope with the 10x turret. Usually to image with this microscope I use my Canon 1100D attached with a T-ring and 10mm extension tube which slots in place of one of the eye pieces. On this occasion, I decided to try out my ASI120MC camera, which is a CMOS astronomy imaging camera. The extension tube which screws into the T-ring has the same threads as the ASI camera so I was able to slot the ASI straight into one of the eye piece holders.
Because the sensor is smaller, it means everything looks bigger. The field of view covered with this set up was approximately 0.5mm which is much smaller than what you can see when you're looking through the microscope visually! I only found one tardigrade from this sample. I carefully removed some of the sample from the bottom of the petri dish with a pipette and put 2 drops into a microscope slide which has a small well in the middle. Then I just methodically scanned the sample, and shot a 1,000 frame video using SharpCap every time I saw something interesting. The final clip was taken by holding my mobile phone camera up to the eye piece, just to give you a comparison and to show that you don't need anything fancy to take images through a microscope. I found a LOT of other stuff in this sample which will come in a future video, but this little guy was the only tardigrade I found on this occasion.
Each time I'd finished looking around a sample, I rinsed it into another dish with more rain water and when I'd finished I took the wash back out to where I'd isolated it from and returned it to the moss. I know these organisms are tiny but I never want to cause any of them any harm in the name of getting a nice photo or video.
The video clips were put together using Movie Maker 10.
Music: "Dead From the Beginning, Alive 'Til the End" by Doctor Turtle, via freemusicarchive.org, with a Creative Commons Licence
I was playing with my stereo microscope, and figured I'd look at the surface of my Saleae Logic. It looks like an anodized aluminum case that's been laser engraved. Here you can see the rather crinkly texture of the anodized aluminum, then you can see the little dots they burned into the surface to create the Logic logo. Each dot made a tiny crater in the surface.
(Sorry for the slightly blurry photo- it's much clearer in person, but I don't really have a good way to take clear photos through the lens of the microscope yet.)
Experiments with digital camera and old microscope. Interesing for generating backgrounds and abstract compositions.
Lomo MBS-2 with reflection setup: Place a white
LED at the pupil of one eyepiece and watch at the other
I found a dead water bear with eggs (?) inside. It was very amenable to being photographed, being dead.
A microscope can be borrowed from my local library. How cool is that?!
123 in 2023: #89 scientific instrument
my best birthday present ever. Should have moved the microscope to a slightly better position but its not looking too shabby
Microscope by Henry Pyefinch, circa 1750 (National Museum of Heath and Medicine, Washington DC)
From series James G. Mundie's Cabinet of Curiosities
[Copyright © 2010 James G. Mundie. Image may not be reproduced in any form without express written permission.]
Attempting some macro shot before next Tuesday's Club night ' Tabletop and Macro' Cleaned up my old microscope for a subject. ( it was covered in thick dust )
I like these, almost abstract images, one shot with Olympus E620 and the other with Canon 6D
Source: E. C. Bolles Collection of Microscope Slides, San Diego Natural History Museum.
Image id: SDNHM_Microscope_Slides_001a
Further along the wall south of the stairwell are the library's microscopes. You are able to check out keys for their use at the circulation desk with a valid library card.
The woman with microscope image is one of the pictures electronically placed on the phonograph records which are carried onboard the Voyager 1 and 2 spacecraft.
Credit: UN/DPI Photo
Please note that these images are copyright protected. Reproduction without permission of the copyright holder is prohibited.
Mixed media: vintage sheet music, layered with book pages, wire, glass microscope slides
and fabric / thread.
5" x 7"
Faith is a fine invention
For gentlemen who see
But microscopes are prudent
In an emergency
Emily Dickenson