QHYCCD QHY128 Manual Download Page 13

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SCENARIO I MEDIUM SIZED TELESCOPE W/O CORRECTORS

Model

Back focus

consumption

Where to acquire

Whether tailored

screws are needed

020002

6mm

Incl. in all medium sized

camera package

020028

32.5mm(2.5mm)

Incl. in all medium sized

camera package

To install UV/IR cut filters adapter 020076 and 020077 are required.

Model

Back focus

consumption

Where to acquire

Whether tailored

screws are needed

020076 & 020077

13.5mm

Purchased separately

Summary of Contents for QHY128

Page 1: ...e the modern CANON DSLR EF lens system has a back focus of 44mm Unlike the DSLR lens flange the back focus distance of a telescope is not fixed and covers a range of distance This is due to the differences of optical structure and focusing system Alternatively if a flat field generator flattener is used in an Astro Imaging chain the back focus system of the flattener is used for determining the co...

Page 2: ... Back focus consumption application Where to acquire 020002 6mm Tilt adjustment Incl in all medium camera package 020010 27mm 2mm M42 to 1 25 adapter Incl in all small camera 183 178 224 290 174 package 020011 32 5mm 2 5mm M42 to 2 adapter Incl in small sized MFT frame or bigger size sensor camera 163 294 550 package 020028 32 5mm 2 5mm M54 to 2 adapter Incl in all medium sized camera 020055 2 5mm...

Page 3: ... 10mm Small sized camera M42 to NIKON F mount Purchased separately 020076 020077 13 5mm Medium adapter for mounted IR filter Purchased separately 020078 020079 020080 020081 3mm 3mm 3mm 3mm OAGM Installation parts 54mm 42mm Incl in OAGM package 020082 020083 3mm 3mm OAGS installation parts 42mm Incl in OAGS package 020084 Camera quick mounting plate Purchased separately ...

Page 4: ...um sized camera back focus adjustment Purchased separately 020089 External mount 4mm Fine adjustment mount 0 5 1 2 3 7 13 5mm Medium sized camera back focus fine adjustment Purchased separately 020090 External mount 4mm Fine adjustment mount 0 5 1 2 3 7 13 5mm Small sized camera back focus fine adjustment Purchased separately ...

Page 5: ...D CAMERA TO THE IMAGING Started from the camera follows every solution to the end of the flow chart represents a compete connection behind telescope Back focus consumptions were in red Please select carefully to match the optimal back focus distance of your system ...

Page 6: ...epiece of either 1 25 or 2 Most telescope has a tolerant range of back focus distance a simple connection is sufficient Model Back focus consumed Where to acquire Whether tailored screws are needed 020010 M42 to 1 25 or 020011 M42 to 2 27mm 2mm Incl in all small camera 183 178 224 290 174 package NO 32 5mm 2 5mm Incl in small sized MFT frame or bigger size sensor camera 163 294 550 package ...

Page 7: ...ed of 5 different pieces of adapter of 0 5 1 2 3 7mm respectively They can be combined into various thickness to meet specific demands Tailored screw may require for the adapter s While using the fine adjustment adapters in small sized camera the external adapter 020085 needs to be replaced by threaded external adapters 020056 and 020083 The 020083 is included in the standard package of small off ...

Page 8: ...p of cam 020085 plug into CFW the total length is 8mm still Alternatively adapter 020063 can replace the original adapter in the original imaging chain There are 2 major advantage of such replacement Firstly it consumed less back focus Secondly screws are used in fixing the CFW in place by which may reduce tiltness in the imaging chain Such method requires minor works by opening the CFW and removi...

Page 9: ...ge No screws are incl in the OAG package 020056 3mm Purchased separately We highly recommend matching size for OAG and camera However users may want to fully utilize idled equipment The following illustration is the recommended connection method for small sized camera OAGM Model Back focus consumption Where to acquire Whether tailored screws are needed 020081 020080 3mm 3mm Incl in OAGM package No...

Page 10: ...io I and II to add the OAG into the imaging chain for either telescope or camera lens Also please ensure the 020082 020080 adapter install at the outer side of the OAG They have the matching thread size of the camera M42 and M54 respectively ...

Page 11: ... NOT INSTALL THE INTERNAL ADAPTER 020083 ATTENTION this combo CANNOT match DSLR Lens because the length is too long for Canon Nikon back focus Without OAG will be okay Small sized cams can connect CFWS OAGS or CFWM OAGM The adapter used is a little different SMALL SIZED CAMERA CFW S OAG SMALL SIZED CAMERA CFW M OAG ...

Page 12: ...ts a compete connection behind telescope Back focus consumptions were in red Please select carefully to match the optimal back focus distance of your system Comparing to the small sized camera solutions medium camera solutions are far less complicated The explanations are simplified and similar connection can be referred back to the small camera solution as aforementioned ...

Page 13: ...ilored screws are needed 020002 6mm Incl in all medium sized camera package No 020028 32 5mm 2 5mm Incl in all medium sized camera package To install UV IR cut filters adapter 020076 and 020077 are required Model Back focus consumption Where to acquire Whether tailored screws are needed 020076 020077 13 5mm Purchased separately No ...

Page 14: ...mera package Likely 020089 External adapter 4mm Fine adjustment adapters13 5mm 0 5 1 2 3 7 Purchased separately 020088 14mm Purchased separately 020055 2 5mm Purchased separately 020073 OR 020074 10mm Purchased separately 72 for CANON EF MOUNT 74 FOR NIKON F MOUNT If OBFD is not reached by adding the 13 5mm of the 020087 020088 is recommended In this case 020055 is required for installing UV IR cu...

Page 15: ...pter of CFWL needs to be removed and replaced with 020002 for screw mounting method If the QHY600 and CFWL is purchased in a package the installation works will be performed in our manufacturing facility SCENARIO IV MEDIUM SIZED CAMERA OAG Medium sized camera can only be matched with medium sized OAG Model Back focus consumption Where to acquire Whether tailored screws are needed 020079 3mm Incl i...

Page 16: ...M SIZED CAMERA CFW OAG As aforementioned QHY600M fits in such category since it s the only camera needs CFWL ATTENTION this combo CANNOT match DSLR Lens because the length is too long for Canon Nikon back focus Without OAG will be okay ...

Page 17: ... THE INTERNAL ADAPTER OF CFW When connect the camera with the CFW via 020056 020063 OR 020002 the standard 2 adapter needs to be removed and connect the camera with screws The following illustration shows the replacing method REMOVAL OF THE 2 ADAPTER ...

Page 18: ...18 www qhyccd com INSTALLATION OF 020056 020063 or 020002 ...

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