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DFC7000 T and DFC7000 GT Fluorescence

Microscope Cameras DFC7000 T and DFC7000 GT

DFC7000

What type of digital interface do the DFC7000 cameras feature?

Both cameras have an USB3 digital interface and are delivered with an USB3 PCi board.

What happens if I accidentially connect the camera to an USB2 socket?

The camera will not start and the LED on the rear side of the camera will turn orange.

Can I use my onboard USB3 socket of the PC?

In many cases you can use it but to benefit from the full performance of the camera we recommend to use the PCi board which is always delivered with the camera.

What type of c-mount do you recommend?

The camera features a 2/3 inch sensor so we recommend to use the 0.7 x c-mount for compound microscopes or the 0.63 x c-mount for stereo microscopes.

What type of sensor are used in the DFC7000 cameras?

It is the 2.8 MP Sony sensor ICX674 with EXview HAD CCD II technology.

What is EXview HAD CCD II technology?

This technology of Sony is based on a new pixel architecture which basically results is a higher quantum efficiency, improved signal to noise ratio, and higher sensitivity compared to similar sensors without that new technology.

What is the difference between the DFC7000 T and DFC7000 GT?

DFC7000 T is a cooled color camera, DFC7000 GT is a cooled monochrome camera.

When would you recommend to use a DFC7000 T camera? When would you recommend to use a DFC7000 GT camera?

If you use Brightfield/ Phase contrast methods and switch frequently to fluorescence we recommend to use the DFC7000 T. This is a cooled color camera which is suitable for both- brightfield and fluorescence applications. If you applications are focussed on fluorescence and you need a high-end fluorescence camera with a higher quantum efficiency than a color camera the DFC7000 GT is the right choice.

Why features a monochrome camera a higher Quantum Efficiency than a color camera?

The monochrome camera does not have a RGB-Bayer mask which takes light away.

How can I receive a monochrome image from the color camera DFC7000 T?

In many standard color cameras the mononochrome image just reflects the input from the green pixels. The DFC7000 T however uses the Y-UV signal which is composed of 10% blue, 60 % green, and 30% red input. You can easily switch from color mode to mono mode within the software LAS X or LAS.

What makes these cameras so fast?

The sensor can be read out simultaneously in four portions (=taps).

How can I adjust the camera setting to the light source I'm using at the microscope?

You can select the color temperature of the microscope illumination to adjust the camera accordingly.

How can you make sure that no image is lost during high speed acquisition?

The camera features an onboard memory of 6 images.

What do I need to acquire high-speed, real-time time-lapse?

You need a high-speed trigger cable and an extention board of the Leica microscope CTR box.

Can I use my climate chamber for DMi8?

Yes, you can.

What software packages do currently support the DFC7000 cameras?

DFC7000 T is supported in LAS X ; LAS ; LAS Steel Expert; DFC7000 GT is currently supported in LAS X 3.3.0 or higher

I already have a LAS X 1.1 version installed. How can I make sure that the DFC7000 T is supported?

You can easily upgrade your system with the appropriate camera driver via the Leica software updater (provided by LAS X) . In addition the camera package always includes the newest LAS X version free of charge.

I already have a LAS version 4.6 installed- do I need to upgrade the system?

No. LAS 4.6 already supports the Leica DFC7000 T. Just make sure you have the drivers installed.

Why is a continuous gain to important for fluorescence applications?

It is quite often necessary to enhance the digital signal ( gain) instead of increasing the duration of light exposure. This is an important feature to protect the specimen from light damage and/ or encrease the acquisition speed. With only 2-3 distinct gain values this feature would be very limited.

What happens in case I would need to repair the camera?

The camera will be exchanged- worldwide.

On which microscope can I attach the DFC7000 cameras?

You can attach the DFC7000 cameras on any Leica compound or stereo microscope with a documentation tube or documentation port. For microscopes others than Leica please contact your local Leica representative. All questions and answers subject to modification without prior notice.