* What are Compound Microscopes?
A Compound Microscope is a microscope that consists essentially of two or more double convex lenses fixed in the two extremities of a hollow cylinder.
The upper lens is the eyepiece and the lower lines in the objective. The cylinder is mounted upright on a screw device that permits it to be raised or lowered until the object is in focus and until a clear image is formed.
When an object is in focus, a real inverted image is formed by the lower lens at a point inside the principal focus of the upper lens. This image serves as an object for the upper lens that produces another image larger still and visible to the eye of the observer.
* What are Stereo Microscopes?
A Stereo Microscope is a lower powered microscope instrument that features a large stage for closer viewing of the non-microscopic world. This microscope makes tiny objects gigantic. It is known as a dissecting microscope.
With stereo microscopes, tiny things became large, in layman0s terms, the flaws in gemstones and coins become obvious. There are inexpensive models that are available for children and students. The stereo microscopes provides zoom, improved optics and enhanced lighting that meet the demand […]
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Today everything seems to be gravitating towards digital photography and the film cameras are slowly being replaced. There are still a few die-hard film photographers out there who refuse to give up but it seems that death is coming slowly but surely.
When looking at film vs digital photography you will find there are several differences between them. There are many different grades of digital cameras as well as 35 millimeter cameras. When taking a look at film vs digital photography you need to take into consideration what it is you want to do. If you are creating a webpage it is obvious that you will want to use a digital camera. For this type of work a moderate priced digital camera will do a great job. If you want to take great photos to put into your photo album then a 35 millimeter will do a great job.
Film vs Digital Photography 0 The Differences
Cameras that use film have been around for years but digital is rapidly taking over the market. Film photography requires development of the film which can often be rather expensive. People who believe in doing it yourself have dark rooms with all kinds of equipment which is […]
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Photography is a very rewarding hobby as well as extremely productive profession. Whether your interest in photography for pleasure or career enhancement, the benefits that you could get from online digital photography lessons are immense.
How An Online Course In Digital Photography Can Change Your World?
Whether you are a veteran photographer with a long string of accolades behind you or a beginner who simply loves to shoot ‘nice’ photographs for relaxation, an online course would be able to improve your style and technique a great deal. This is because the digital photography lessons offered over the Net are constantly improved to contain the latest possible techniques and shortcuts that would give you a great edge over your peers.
There are other advantages to using the online digital photography lessons over regular classes. You would be able to learn at your own pace without having to commute anywhere wasting precious time. The convenience factor does not only include location, but also time. If you have time and inclination to take your digital photography lessons at 3 AM or any other time you wanted, well and good because your “school” would be open anytime and ready to accommodate you.
Learning to use […]
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