Consider the samples you will see before buying a dissecting microscope. Choose a solidly built, two-light, and high-resolution microscope. A dual-lens stereo light microscope is better for viewing with both eyes. Look for a fine knob adjustment and fully coated glass optics. A microscope with a port to connect your camera equipment is great for photography. Accessories like a cleaning kit can be convenient. Buying a used microscope may save money, but replacing lenses could be expensive. Magnification should be up to 20X for universal use. Fixed focus magnification is adequate for most hobbyists, while zoom magnification can increase costs.
Before buying a dissecting microscope, consider what samples you will see. A dissecting microscope used for hobnon will require the same high quality optics as an instrument used for jewelry repair or laboratory dissection. For all purposes, your dissecting microscope should be solidly built and capable of producing sharp, three-dimensional images. Choose a two-light microscope; one placed above the subject and one below. If you prefer to use both eyes for viewing, choose a dual-lens stereo light microscope, rather than a single-lens monocular type.
Many people use dissecting microscopes in schools and laboratories, although they are also used by hobbyists. For universal use, a dissecting microscope should offer up to 20X magnification. An auxiliary lens will increase magnification, but may also increase the cost of the equipment. Buying a used microscope from a lab, school, or home owner could save you money. If, however, you have to replace the lenses, it could become more expensive than buying a new microscope.
When shopping for a dual lens dissecting microscope, choose one with a fine knob adjustment. This will be necessary to adjust both lenses for optimal viewing. Also, choose a high-resolution dissecting microscope. This feature will provide adequate contrast to display the finer details of your samples.
If you want to save money, choose an instrument with fixed focus magnification. This magnification should be adequate for most hobbyists. Zoom magnification can offer more detail and clarity, but can increase the cost considerably.
Another option to consider is a microscope with a port to connect your camera equipment. This is a great feature for those who enjoy taking specimen photography. If you use a digital camera, choose a microscope with a Universal Serial Bus (USB) port.
Most modern dissecting microscopes will offer fully coated glass optics. Try to determine which metals are used to coat the lenses. Silver is more expensive to use than aluminum, but offers more protection. The protective coating is used to reduce glare and reflection. Some older microscopes may not have coated optics, in which case the lenses will need to be replaced.
Additionally, you may want to consider purchasing a dissecting microscope that includes accessories. You need to take care of your quality gear and you need the proper tools to do that. A cleaning kit that includes a lens cleaning cloth, cleaning fluid, and blower brush can be very convenient.
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