Digital Cameras For Microscopes

Since the introduction of digital photography with a microscope

, many techniques have been developed regarding image enhancement or modification, information extraction and the procedural ease of which to accomplish capturing extremely high resolution photographs with computers and software.

The days of using 35mm film, capturing many images of delicate volatile samples only to find out you had a setting wrong, the lighting was incorrect or the film was too old and all the pictures that you had developed were bad is now pretty much a thing of the past. Except for a few microscopists that still use film, digital is the choice of most microscope users.

The heart of every digital camera is the CCD or CMOS Sensor. The larger the sensor, the more light sensitive it is. Resolution is one of the most important areas concerning the choice made on obtaining a

digital camera. Digital images are made up of millions of tiny squares called picture pixels. These tiny pixels are used to display images, and the more pixels there are the higher the resolution the image becomes. This is an important consideration when trying to capture the very detailed, colorful images from a microscope. One thing to always remember: the camera can only reproduce what the microscope sees. Purchasing a very expensive camera for a less expensive microscope will not produce the image you desire. The same is also applicable in reverse. An underpriced camera will not compliment an excellent image from a quality microscope.

Most dedicated microscope cameras come with software. It is an important feature of a digital camera. It allows you to see your picture in real time for live image analysis.

The H-Series digital cameras from VanGuard produce high-definition live images and video for the documentation and archival of clinical, life science, and material science laboratory analysis. With resolution of 1600 x 1200 (UXGA) and the included image capture software suite, the H-Series cameras are a perfect match for nearly any scientific application.

Equipped with " CMOS image sensors, VanGuard H-Series digital cameras deliver exacting image clarity and color. The on-chip 10-bit A/D converter is capable of operating at 40fps.

In addition, H-Series digital cameras come standard with the following features: still & video capture modes, automatic/manual exposure control, manual gamma control, and automatic/manual white balance control.

The compact design and standard C-mount lens adapter of the H-Series cameras allows them to be easily installed on essentially any microscope with an existing camera port. Also, no separate power cable is required for the H-Series cameras; video, power, and full camera control are all enabled within a single USB cable.

The full-featured image capture software suite allows the user to easily control all of the cameras advanced settings, and has a simple but powerful graphic interface. Full-capture solutions are included to provide the user with the ultimate in live image analysis and archival capabilities.

by: Kathy Brasch

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