Search found 273 matches
- Mon Apr 20, 2020 9:01 pm
- Forum: Beginner's corner
- Topic: Imaging with different coverglass thickness
- Replies: 18
- Views: 6000
Re: Imaging with different coverglass thickness
To be honest, Andrew ... I had never heard of a #1 chambered coverslip :oops: So, I looked here for the spec. https://www.thermofisher.com/order/catalog/product/155361#/155361 ... and also saw the price I assume, and sincerely hope, that your colleagues know exactly what they are doing. MichaelG. ....
- Mon Apr 20, 2020 8:52 pm
- Forum: Microscopes and optics
- Topic: Problems with Omano OM36L
- Replies: 5
- Views: 2361
Re: Problems with Omano OM36L
The first issue is flickering of the LED. The microscope has a wheel style brightness control and at medium to high brightness the LED flickers a lot, to the point where it sometimes goes completely dark. I have checked the batteries and they are producing the correct voltage and the flickering occ...
- Mon Apr 20, 2020 8:39 pm
- Forum: Camera systems and imaging
- Topic: Maybe a way to get the perfect image with a DSLR?
- Replies: 26
- Views: 9080
Re: Maybe a way to get the perfect image with a DSLR?
I tried it on both 160mm (finite) and 180mm (infinity) tube length microscopes and surprisingly it was very sharp corner to corner. I don't have 3D printer at home, but I think I can design the tube in a CAD software and use the commercial 3D printing services (it's quite cheap). I have zero experie...
- Mon Apr 20, 2020 8:34 pm
- Forum: Pictures and Videos
- Topic: First Photo of a Microbe
- Replies: 8
- Views: 4186
Re: First Photo of a Microbe
Nice Picture Roger. It's a Daphnia IIRC.
- Mon Apr 20, 2020 8:08 pm
- Forum: Camera systems and imaging
- Topic: Olympus DP25
- Replies: 6
- Views: 3229
Re: Olympus DP25
Well, if you have a USB 3.0 on your laptop, you can use an adapter like this on to "adapt" the connection, not the connection protocol itself. I cannot guarantee a successful connection, but it's not a money loss I guess. Worth a try. https://www.digikey.ca/product-detail/en/qualtek/3021019-16/Q370-...
- Mon Apr 20, 2020 7:56 pm
- Forum: Camera systems and imaging
- Topic: Olympus DP25
- Replies: 6
- Views: 3229
Re: Olympus DP25
Does it have thunderbolt port? What's the exact model of the laptop?
- Mon Apr 20, 2020 7:49 pm
- Forum: Camera systems and imaging
- Topic: Olympus DP25
- Replies: 6
- Views: 3229
Re: Olympus DP25
Kirby,
what type of machine do you have? Mac? PC? Laptop or desktop? What's the operating system?
what type of machine do you have? Mac? PC? Laptop or desktop? What's the operating system?
- Mon Apr 20, 2020 7:46 pm
- Forum: Camera systems and imaging
- Topic: Maybe a way to get the perfect image with a DSLR?
- Replies: 26
- Views: 9080
Re: Maybe a way to get the perfect image with a DSLR?
On a more serious note we currently know using an extender is working for Malpi and me... and "just the two of us" is not enough to be sure it can be a solution for most users. So if you can test this on your microscope and let us know what's the results, it will be appreciated. Mate, I tried Canon...
- Mon Apr 20, 2020 7:09 pm
- Forum: Camera systems and imaging
- Topic: Help identifying this mount
- Replies: 3
- Views: 2137
Re: Help identifying this mount
The tube is exactly like the one came with my stereo microscope, but it was to wobbly and I found a reduction lens with the same dovetail mount so I replaced the tube with the reduction lens. https://ae01.alicdn.com/kf/HTB1uSEXXwsSMeJjSspeq6y77VXat.jpg I saw many other reduction optics (2x and 1.5x ...
- Mon Apr 20, 2020 6:50 pm
- Forum: Pictures and Videos
- Topic: Cytoplasmic streaming (cyclosis) in onion cells
- Replies: 8
- Views: 3030
Re: Cytoplasmic streaming (cyclosis) in onion cells
Impressive footage Wes. I had seen this activity (Cytoplasmic streaming is bit mouthful for an electronics guy like me ) on one of Oliver's video. But you clearly nailed it.
- Mon Apr 20, 2020 6:29 pm
- Forum: Specimens, samples and slides
- Topic: More phase contrast photos of cleaned diatoms
- Replies: 18
- Views: 6068
Re: More phase contrast photos of cleaned diatoms
@daruosha: Here is an article about cleaning diatoms with hypochlorite: A Simple, Inexpensive Method for Cleaning Diatoms Author(s): Jennifer M. Carr, Gary L. Hergenrader, Nels H. Troelstrup and Jr. Source: Transactions of the American Microscopical Society, Vol. 105, No. 2 (Apr., 1986),pp. 152-157...
- Mon Apr 20, 2020 6:22 pm
- Forum: Identification help
- Topic: UFO Unidentified object!
- Replies: 8
- Views: 5207
Re: UFO Unidentified object!
Interesting video as always KD. You did some actual microbe hunting
- Mon Apr 20, 2020 6:19 pm
- Forum: Beginner's corner
- Topic: Imaging with different coverglass thickness
- Replies: 18
- Views: 6000
Re: Imaging with different coverglass thickness
Hi, My name is Andrew, I'm new to the forum. I have a question about why a lab in my institution is using a #1.0 chambered coverslip for an objective lens that's meant for 0.17 thickness coverslip. I have tried using #1.5 chambered coverslip but the image never focuses. The lab does calcium signali...
- Mon Apr 20, 2020 6:11 pm
- Forum: Specimens, samples and slides
- Topic: More phase contrast photos of cleaned diatoms
- Replies: 18
- Views: 6068
Re: More phase contrast photos of cleaned diatoms
Thanks, Bob and darousha. @darousha: Diatoms were cleaned with APS - see this post: http://www.microbehunter.com/microscopy-forum/viewtopic.php?f=10&t=8101&p=72044&hilit=APS#p72044 One step of boiling in APS, then, instead of repeating it, I rinsed with distilled water, then applied house-grade hyp...
- Mon Apr 20, 2020 6:06 pm
- Forum: Illumination Techniques
- Topic: PDFs of the VAC articles/papers?
- Replies: 2
- Views: 2215
Re: PDFs of the VAC articles/papers?
I'm interested too. Would you post the PDFs here in this public thread? (In case its not a copyright infringement issue)
- Mon Apr 20, 2020 3:07 pm
- Forum: Specimens, samples and slides
- Topic: More phase contrast photos of cleaned diatoms
- Replies: 18
- Views: 6068
Re: More phase contrast photos of cleaned diatoms
Hobbyst46, they are beautiful and stunning.
May i ask how do you clean your diatoms? (Sorry for an irrelevant question).
May i ask how do you clean your diatoms? (Sorry for an irrelevant question).
- Mon Apr 20, 2020 2:59 pm
- Forum: Introduce yourself
- Topic: Hello everyone.
- Replies: 6
- Views: 3238
Re: Hello everyone.
Hello Zohar, welcome aboard.
Based on your introduction, I assume you're interested in botanic sectioning and staining techniques. Check out the link below and you will find awesome stuff :
http://www.mikroskopie-bonn.de/index.php
Based on your introduction, I assume you're interested in botanic sectioning and staining techniques. Check out the link below and you will find awesome stuff :
http://www.mikroskopie-bonn.de/index.php
- Mon Apr 20, 2020 2:55 pm
- Forum: My microscope
- Topic: USB phone setup hacked together with 3D printer and Zeiss Base.
- Replies: 3
- Views: 2281
Re: USB phone setup hacked together with 3D printer and Zeiss Base.
Awesome and very creative restoration project. Well done.
- Mon Apr 20, 2020 11:07 am
- Forum: Pictures and Videos
- Topic: Stomata in tulip leaf
- Replies: 17
- Views: 4970
Re: Stomata in tulip leaf
The first image is very eye catching to me. Nice tips/techniques too.
- Sun Apr 19, 2020 10:32 am
- Forum: Camera systems and imaging
- Topic: Maybe a way to get the perfect image with a DSLR?
- Replies: 26
- Views: 9080
Re: Maybe a way to get the perfect image with a DSLR?
Can you show us a picture of the actual setup and a sample picture?
- Sun Apr 19, 2020 10:11 am
- Forum: Pictures and Videos
- Topic: Stomata in tulip leaf
- Replies: 17
- Views: 4970
Re: Stomata in tulip leaf
Nice job Bob. I have a few tubes of UV curable glue for repairing PCBs. I'll like to try your recipe and see how it works. The glue I have is not fully transparent, but I think it doesn't matter.
- Sun Apr 19, 2020 9:53 am
- Forum: Pictures and Videos
- Topic: spring'2020 bear hunt with questions'.
- Replies: 27
- Views: 10856
- Sat Apr 18, 2020 6:13 pm
- Forum: Pictures and Videos
- Topic: Stomata in tulip leaf
- Replies: 17
- Views: 4970
Re: Stomata in tulip leaf
That's very cool Bob. Any reason why did you use UV curing nail polish? To make it dry faster, I assume. Am i right?
- Sat Apr 18, 2020 10:56 am
- Forum: Introduce yourself
- Topic: Hello from Hong Kong
- Replies: 3
- Views: 2551
Re: Hello from Hong Kong
Welcome to the forum Sir.
- Sat Apr 18, 2020 10:54 am
- Forum: Beginner's corner
- Topic: From New Zealand & new to microscopy
- Replies: 6
- Views: 2763
Re: From New Zealand & new to microscopy
Welcome to forum Saby. Nice microscope, you have
It's very useful to have a trinocular head on your microscope. It surprise me way before this digital era and the availability of cheap digital cameras, any half decent and above microscope has been equiped with a trinocular head.
It's very useful to have a trinocular head on your microscope. It surprise me way before this digital era and the availability of cheap digital cameras, any half decent and above microscope has been equiped with a trinocular head.
- Sat Apr 18, 2020 10:41 am
- Forum: Microscopes and optics
- Topic: Working distance
- Replies: 4
- Views: 2498
Re: Working distance
Ironically the typical working distance of a generic 40x NA0.65 achromatic is about 0.65mm.
- Sat Apr 18, 2020 10:30 am
- Forum: Miscellaneous
- Topic: Slides
- Replies: 5
- Views: 3150
Re: Slides
Somewhere in the forum i read the optimum slide thickness for the best resolution is 1mm.
- Fri Apr 17, 2020 5:32 pm
- Forum: Microscopes and optics
- Topic: Highest power LED suitable for microscope?
- Replies: 15
- Views: 6301
- Fri Apr 17, 2020 1:59 pm
- Forum: Microscopes and optics
- Topic: Retrodiode LED conversion
- Replies: 15
- Views: 6005
Re: Retrodiode LED conversion
I checked their website. My educated guess tels me the heat sinks are 3-5W rated.
- Fri Apr 17, 2020 11:55 am
- Forum: Microscopes and optics
- Topic: Highest power LED suitable for microscope?
- Replies: 15
- Views: 6301
Re: Highest power LED suitable for microscope?
He meant 2 amps capable power supply.DrPhoxinus wrote: ↑Fri Apr 17, 2020 11:48 amSaul,
Can you tell me what a Type 2a power supply is?
I looked on the web and haven’t found a description.
I have been fooling around and ran into Ohm’s law with the current limits and voltage drop in small conductors.
Gerard