UsingwithAFAdapter+CanonLens
1. DetachDrop-InFiltersystemformFRM72ofcamerabody.
2. InsertaFilterin48mmthreadofFRM72.(**veryimportanttomaintainBackFocusDistance)
3. AttachAFAdaptertoFRM72ofcamerabody.
4. AlignXYaxisanglesofAFmountusing3pointM4setscrewofFRM72.
5. AttachcanonLenstoAFadapter.
6. ConnectTECpowercables(PS1204)andtemperaturesensorcable(CT18).
7. ConectDC12VtoPS1204.
8. PowerOncanonBody.
9. Checktheworkingofcanonbodyandcoolingmodule.
10. Check the cooling temperature. Within 7~10minutes the temperature of CMOS will drop to
maximumcooledtemperature.
11. Using[Liveview]modeofcamerafindthesubjectandadjustthefocus.
12. Taketheshots.
*CoolingModuleofAstro200DhasnoON/OFFswitch.WhenyouconnecttheDCpowertocamera,
coolingmodulebecomeONatthesametime.
!
* Astro 200D has no Temperature controller. When cooling get reach to stable condition the CMOS
temperaturewillbeit’smaximumcoolingstate.
*PS1204isaDCstepdownadapterforTECmoduleandit’sadjustedformaximumcoolingperformance
ofheatsinkandcoolingfan.PleasedonotuseDCpowersupplyofothercompanies.!
!
*BackFocusDistanceofAstro200Dis44mm(CM2C)/46.5mm(CM2N),ThesearesametoCanon
EF-mountorNikonF-mount,andadjustedattheconditionof2mmthicknessglassfilterinstalledatthe
drop-infilterholder.Ifyoutaketheshotswiththecameralens,incaseofnofilterindrop-infilterholder,
infinityfocusingerrorwillbeoccurred.Werecommendtoinstallafilter(2~3mmthickness)intodrop-in
filterholderalways.
(Recommendedfilters:HoyaMCClear,BaaderUV/IRcut,IDASLPSP2etc)
*IncaseofBaader2”filters,youcanuseonlyLowProfileFilterCell(LPFC)products.
*TECcoolingmodule ismoreefficient whentheambient temperatureishigh buttheefficiency islower
when the temperature is low in the winter. This is due to the electricity consumption per temperature
characteristicsofthePeltierelementswhichisoneofthemostimportantpartsintheTECcoolingmodule.
Asaresult,thecooledimagesensortemperaturemaynotreachtomaxcoolingtemperatureof[product
information]inthewinterseason.
!
*The camera temperature showing in BackyardEOS or other Astro imaging programs is not the actual
sensor temperature but the temperature at the temperature sensor installed on the PCB circuit board
placedbehindtheimagesensor.
**ThetemperaturevaluedisplayedatDTH-1isfromthetemperatureoncoldfingerandit’sneartoreal
CMOS temperature and the temperature that Astro imaging programs is displaying (from Canon exif
data)isabout3-7Chigherthanthisvalue.
