Nikon A1+ Gebruikershandleiding - Pagina 27

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1. My images look noisy, what can I do to improve image quality?

1. Noise in an image comes from various sources but becomes more obvious when

the sample signal is very low and you have to set a high gain value on the detector.

Averaging captures multiple images of each channel but only displays the average

of the total number captured. The addition of noise to an image is a random process

and by taking the average intensity of several images with varying noise values the

noise is cancelled out to a degree.

2. Enable the Average button in the A1Plus Compact GUI.

3. You can select how many images per channel are acquired and used in the

averaging process from the drop down arrow.

4. You will only see the average result but the capture will take 4x as long to acquire in

this case.

5. Note that when Averaging is turned on, it applies it to the continuous scan as well

as the captured image, so the live refresh rate will be affected.

Only use averaging when necessary and turn it on just before acquiring the final

image. Remember that it decreases the frame rate by the factor of averaging

applied and could also increase the rate of photobleaching.

2. I can't see anything down the microscope

1. Ensure you have selected one of the Optical Configuration buttons specific for

viewing by eye

2. If you can see light at the objective check that the stage is positioned over the

cells/tissue and that the focus hasn't changed

3. If you are trying to view brightfield by eye remember that if you are using the

transmitted detector you will need to press the Eye Port button as well as the

Frequently Asked Questions

Brightfield OC button