Quote:You can use a Mallincam anytime day or night. Daytime settings are similar to Lunar or planetary settings. The one thing you must do is to have the camera attached to a telescope or lens with some sort of metal adapter such as the MFR-5. The brass C-Mount is used as a heat sink by the cameras TEC. You need to have some metal screwed into the C-Mount to help dissipate the heat from the TEC.
As far as using the Mallincam during the day, it is recommended by some that new users do so to help them learn how to use the camera. That idea hasn't caught on around here yet.
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Quote:yes, you can use the mallincam in the day time BUT you must have the camera inserted into a metal visual back or focus tube in order for the heat generated by the Ccd chip to dissipate. Al
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Quote:Do you need to do that even if the TEC cooler is off ? When the TEC is off, the camera shouldn't dissipate more heat than any normal video cam using a 1/2" Sony CCD , including all Mintrons , which don't need external dissipators and work non-stop for months/years in surveillance applications .
Quote:Quote:Do you need to do that even if the TEC cooler is off ? When the TEC is off, the camera shouldn't dissipate more heat than any normal video cam using a 1/2" Sony CCD , including all Mintrons , which don't need external dissipators and work non-stop for months/years in surveillance applications .
With the older MCHP it is possible to easily turn the TEC off (it's a switch), but with the VSS+/Xtreme you're manipulating the noise reduction circuitry to control the TEC so it's more involved ... and I'm never certain if it's ever completely off. I find that even during daytime/bright object viewing that my Xtreme around the front casting stays very slightly warm to the touch.
As a general rule you should always use metal focal reducers/filters/adapters and if you are doing anything more than giving the camera a quick check out put it into a focuser or similar attachment (camera adapter, C mount lens etc.).
Mallincam's normally don't need specialized external heat dissipators, they work fine on their own. That said Rock does offer a dissipator and fan assembly for those who want to improve heat dissipation for use under more demanding conditions (very hot nights and wanting to further reduce noise on longer exposures), he also offers a version of the Xtreme with further improved cooling (the X2) which has a copper cold finger and includes the external dissipator/fan package.
I wouldn't have any problem running a properly configured Mallincam in a daytime setup 24x7 like any security camera but that would be kinda pointless considering the difference in price and capabilities.