1/16/2023 0 Comments Weclean oslo![]() ![]() Nerd Aid (if you are located in Norway): Nerd Aid 8 - Ukraina (Spleis) If you would like to support the humanitarian relief effort in Ukraine we have added some options below: We were looking forward to welcome you all to Oslo for our first in-person event in two years and understandably our excitement about this announcement has been dialed down to zero due to the Russian attack. We have friends living in Ukraine and friends from Ukraine living here in Norway with family stuck in a terrible situation in their home country. This is a great place to network with other people who shares your passion for data.ĭuring these days after the unprovoked aggressive attack by Russia on Ukraine, it is hard to find the right words for our CfS announcement. Remember, we will as always have a Data Saturday Oslo after-party when we have concluded the event. Click on the Schedule and Precon menu-items to check them out. Our full schedule with pre-cons and all is LIVE. Scroll down or click menu-item shorcuts for more informationĭata Saturday Oslo is a free training event for professionals who use data platform capabilities either on-premises or in one or more of the 3 major public clouds Amazon Web Services, Microsoft Azure or Google Cloud Platform. Try not to remove the lenses from your microscope unless absolutely necessary and remember to keep it covered as dust is the number one enemy! Contact Microscope World if you have any questions about cleaning your microscope lenses.Registration for our pre-con and the Saturday is LIVE! To remove other oily substances, we recommend using the detergent called Wisk and prepare a solution of 1 part Wisk to 100 parts water. Do not use water, alcohol or acetone as the oil is insoluble to these solvents. For the Cargille Type A or B immersion oil that we sell, you can use Naptha, Xylene, or turpentine (use very small amounts on the kimwipe). Occasionally dust may build up on the lightly oiled surface so if you wish to completely remove the oil then you must use an oil soluble solvent. If you are using a 100x objective with immersion oil, just simply wipe the excess oil off the lens with a kimwipe after use. Do not remove the lenses from the instrument unless absolutely necessary. ![]() This will keep the liquid from running down into the lens. When adding the solvent, put only a small amount on the kimwipe and always apply it from the underside going upward to the lens. Some people swear by a solution called ROR, although we have never tried it. A lens cleaning solution such as that in the Microscope Cleaning Kit works well for cleaning lenses. If you have something like Balsam stuck on the lens, you must resort to a stronger solvent like Acetone or Xylene.Īcetone should never be put on plastic parts as it dissolves most paints and plastics. Everclear which is grain alcohol (you must be 21!) can also be used but it doesn't do as well in dissolving crud. Isopropyl alcohol is one of the best solvents but it must be at least 90%+ pure (do not use rubbing alcohol, 30% water). Distilled water is the first solvent recommened. When using solvents, put a drop or two on the paper then hold it against the lens for a few seconds to dissolve the crud. If the grime is still there, you will need to use a solvent. A regular lens brush can hold grit and cause scratching. Roll the tissue into a tube and tear it in half, with the feathery torn ends together. Once blown clean, lightly wipe the lens with Kimwipes or another approved lens cloth.Īnother good cleaning tissue is Kodak Lens Tissue (available at photo stores) In lieu of a brush, you can use the paper. If you need more, you can use the compressed air cans that are sometimes used to clean computer keyboards. Use a squeeze bulb or one of the camera lens cleaner bulbs with the camel hair brush on the end. If you only see it at one power, the dirt is most likely on that particular objective lens. If so, the dirt is on the eyepiece lens (if not, the dirt is internal and you should probably have it cleaned by a professional). If your eyepiece lens turns, turn it and see if the spot moves as well. Is it on the eyepiece lens or objective lens? If you see a spot when looking in the microscope and you see it at all powers it's probably on the outside of the eyepiece lens. ![]() Below are some tips on how to correctly do this. Eventually, the time will come when you will have to give them a good cleaning. Most microscope specialists say the less cleaning of a microscope lens, the better. If a lens gets dirty or gummed up, here's what you should do. The best way to avoid having to clean the lenses on your microscope is to use it carefully and keep it covered when not in use. ![]()
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