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Filter wheel

BioPhotonics
Feb 2007
TOFRA Inc.Request Info
 
Tofra.jpgFor optical microscopes, Tofra Inc. has released a filter wheel with an integrated controller that saves space. The wheel is compact, measuring 17 mm thick with a maximum package dimension of 180 mm. It can accommodate either 12 filters of 25-mm diameter or 10 filters of 32-mm diameter. Operable both automatically and manually, it runs on DC, connects through serial ports and can connect to a USB port through a serial-to-USB converter. An IR-blocking filter can be installed on the side facing the light source. The wheel can be mounted facing front or back, and it comes with mounting adapters for all major microscope brands.


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GLOSSARY
filter wheel
A device that holds a number of filters and allows the filter with the desired characteristics to be rotated into an optical aperture.
microscope
An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
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