ATIK Cameras 383L+ Manual del usuario - Página 6

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3.5 Shutter

The 383L+ is fitted with a mechanical shutter but, as is inevitable with shuttered cameras,

this imposes some constraints on the minimum advisable exposure length owing to the

time it takes for the shutter to open and close. A minimum exposure time of at least

200ms is recommended in order to minimize the effects of vignetting.

3.6 Power Consumption

Your Atik camera was electrically and electronically designed in order to have low power

consumption so your autonomy is enhanced one step further. Versatility is a very important

feature since the (centre-positive) DC input used by Atik cameras can be plugged into

almost any 12V/2.5A supply.

WARNING: If you have purchased the optional mains power adaptor, please note that

it is for indoor or observatory use only. There is a risk of electric shock if the

adaptor is used in damp environments or outside. If in doubt, do not use the

adaptor and consult a trained electrician.

3.7 USB Port

The Atik 383L+ uses a USB 2.0 high-speed interface, allowing for a full-frame download in

approximately 10 seconds. A higher speed "preview" mode is also available, providing

roughly twice the speed.

3.8 Cooling

Atik cameras are thermally stabilized in a way that your CCD will output the best result that

it can deliver. This information often appears with the indication ΔT = -x where x is the

cooling capacity. This means that the CCD's temperature will drop approximately xº C

below outside temperature. This is a thermoelectric process and therefore in order to

obtain the best results you should wait 2 to 5 minutes until thermal stabilization is

achieved. This fact also depends on the outside temperature so, higher environment

temperatures will demand more time for the CCD to stabilize.

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