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CENTRALDS  ASTRO D850  USER  GUIDE

Safety of the User and the Camera 

Follow  these  safeguards  and  use  the  equipment  properly  to  prevent  injury  and 
equipment damage. 

1.

Do not leave the power adapter and the power cord near an object emitting heat. This can cause fire 

due to deformation and damage of the insulator. 

2.

Do not use the camera near inflammable gas. 

3.

If the internal parts of the camera are exposed after the camera is dropped or the camera housing is 

damaged, do not connect the power to the camera due to danger of an electric shock. 

4.

Do not disassemble the camera. It can cause an electric shock. 

5.

Keep the camera from the reach of small children. 

6.

Do not use the equipment in dusty or humid places. This is to prevent fire and electrical shock. 

7.

Do  not  use  the  camera  with  medical  equipments.  The  electromagnetic  interference  can  cause 

malfunction of the medical equipments. 

8.

To prevent fire and electrical shock, follow the safeguards below: 

Always insert the power plug all the way in. 

Do not handle a power plug with wet hands. 

Do not excessively bend the cord. 

Do not put a heavy object on the power adapter and cord. 

Do not connect too many power plugs to the same power outlet. 

Do not use a cord whose insulation has been damaged. 

If the surrounding near the power outlet is dusty or humid, the power outlet can be short 
circuited. Clean and dry the surrounding before using the equipment. 

Do not use the camera inside a car under the hot sun, under the direct sun light or near a heat 
source. The camera can be damaged or causes skin burns. 

Do not use paint thinner, benzene, acetone or other organic solvents to clean the equipment. 
Doing so may cause fire or a health hazard. 

Product Warranty 

CentralDS Provides 1 year product warranty for customers who purchases brand new 
Astro D850. 

In case of [User supplied camera modification service], CentralDS offers 60 days 
product warranty. 

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Summary of Contents for Astro D850

Page 1: ...CENTRALDS ASTRO D850 USER GUIDE Astro D850 User Guide Version 1 1 September 2019 PAGE CENTRALDS 1 10 ...

Page 2: ...on 3 Informations of product 3 Camera usages 4 Package contents 4 Camera operation and responsibility 5 Handling precaution 5 Nomenclature 6 Taking Pictures 6 Characteristics of the modification 8 Safety of the User and the Camera 9 Product Warranty 9 Astro D850 system Chart 10 PAGE CENTRALDS 2 10 ...

Page 3: ...ity image in B shutter use compared with usual unmodified DSLR Realtime Monitoring of the cooling temperature by digital thermometer Drop in filter system Use of high efficiency Thermo electric cooler module Power Source Cooling Module 5V 1 5A DC Camera Li ion Battery EN EL 15a Optimal design by 3D CAD Modeling Precision manufacturing by CNC machine Perfect tuning of optical axis of CMOS sensor by...

Page 4: ...ing is missing please contact CentralDS or the dealer that you purchased from 1 Astro D850 body 2 FRM72 Base Adapter M72 x 0 75mm pitch Male Thread 3 CM2C Drop In Filter system Canon EF Mount CM2N Drop In Filter system Nikon F Mount 4 DFH48 48mm 2 52mm Filter Holder 5 FR1 Field Rotator M72 x 0 75mm pitch Male Thread 6 ECR48 Adapter for Wide T thread M42 x 0 75mm Pitch Female Thread 7 ECR54 Adapter...

Page 5: ...ealing is damaged dew can form inside the camera If the camera is disassembled by personnel not authorized by CentralDS the warranty will be voided Do not leave the camera attached to a telescope with the cooling system off for long time Dew can form on the surface of the camera and this can damage the camera If condensation forms on the camera do not use the camera If the camera is suddenly broug...

Page 6: ... 2 Insert a Filter in Drop In Filter Holder very important to maintain Back Focus Distance 3 Connect power cable PSC2 and temperature sensor cable CT18 4 Conect DC 5V 2A Power source Power Bank or 5V 2A 3A charger to PSC2 5 Insert Li ion Battery EN EL 15a in Battery slot of camera 6 Power On Nikon Camera Body 7 Check the working of camera body and cooling module PAGE CENTRALDS 6 10 ...

Page 7: ...le is more efficient when the ambient temperature is high but the efficiency is lower when the temperature is low in the winter This is due to the electricity consumption per temperature characteristics of the Peltier elements which is one of the most important parts in the TEC cooling module As a result the cooled image sensor temperature may not reach to max cooling temperature of product inform...

Page 8: ...mages by mounting a visible light blocking infrared transmitting filter such as a Hoya R72 filter 4 Various 2 imaging filters or 52mm filters can be mounted in the Drop In filter holder 5 Drop In Filter system CM2C CM2N does not have the electronic communication contacts so the auto focus lens information recording and pulse signal transfer for motor operation which are based on the communication ...

Page 9: ...ction of the medical equipments 8 To prevent fire and electrical shock follow the safeguards below Always insert the power plug all the way in Do not handle a power plug with wet hands Do not excessively bend the cord Do not put a heavy object on the power adapter and cord Do not connect too many power plugs to the same power outlet Do not use a cord whose insulation has been damaged If the surrou...

Page 10: ...CENTRALDS ASTRO D850 USER GUIDE Astro D850 system Chart PAGE CENTRALDS 10 10 ...

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