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Different releases

: Case and Accessory box 

 
 
 
Some of the first ESPRIT 150 series are delivered with a different case and accessory box. 
 

 
 
Your telescope is inside the sturdy aluminum 
padded case, designed to securely carry the 
telescope and the tube rings. 
 
 

The accessory box contains the following parts: 

 

 

 

 

1.

 

The 2" (50.8mm) diagonal with dielectric 
coating. 

2.

 

The 9x50 erect-image finder scope with tube 
rings and mount. 

3.

 

The 2-element thread-on  field flattener, used 
for photography only, guarantees excellent 
field flatness across the entire 44 mm imaging 
plane, allowing picturing the sky with large 
sensors. 

4.

 

Thread-on  field flattener  adaptor, used to 
install the field flattener  on the focuser's 
drawtube. 

5.

 

Field flattener  extender tube for DSLR 
camera, used to place the camera exactly on 
the corrected focal plane. 

6.

 

2" eyepiece f= 28mm  

 

 

Some parts may be optional, 
depending on the dealer's country. 

Please check with him if any doubt.

 

 

 

 

 

                                                           

 

Sky-Watcher offers this product with the best available quality in accordance with the legislation of the local 

market. This can lead to small differences over time and depending on the area of sale in the world. These 
differences do not influence the overall quality which is of the high standard guaranteed by Sky-Watcher 
worldwide. 

Summary of Contents for ESPRIT 150 ED Super APO

Page 1: ...1 INSTRUCTION MANUAL ESPRIT 150 ED Super APO Copyright Sky Watcher SL131119...

Page 2: ...7 Installing a 48mm filter inside the focal extender 8 Installing the field flattener and a CCD Charge Coupled Device camera 8 Installing the field flattener and a CCD camera continued 9 Focusing 9 Fr...

Page 3: ...ses ensure a larger and clearer aperture and also extremely minimized halation Quick overview 150 mm apochromatic 3 element refractor 1050 mm f 7 Metallic high transmission lens coatings 3 CNC machine...

Page 4: ...ries Once open you will find 1 The telescope with dew cap retracted 2 The 9x50 erect image finder scope with tube rings and mount 3 The 2 50 8mm diagonal 4 The 2 element thread on field flattener used...

Page 5: ...on the optical tube When it is correctly aligned with the telescope objects can be quickly located and brought into the field of telescope see also Aligning the finder scope chapter on next page To i...

Page 6: ...o focus When focus is reached lock it in position with the locking ring Choose a distant object that is at least 500 meters or yards away and point the main telescope at the object Adjust the telescop...

Page 7: ...or the other until the image in the eyepiece is nearly sharp To finely focus the image turn the 1 11 knob one way or the other until the image is perfectly sharp 3 Lock the screw below the focuser 1...

Page 8: ...lable on the market will deliver the premium results achieved with the Sky Watcher ESPRIT 150 Field flattener The Sky Watcher ESPRIT 150 Field flattener is not compatible with other telescopes even re...

Page 9: ...g adapter to the sensor thus share the same extension rings to ensure the 100mm back focus distance CCD cameras differ from one model to another even in the same brand name by the threads used and the...

Page 10: ...r the other until the image is perfectly sharp 3 Lock the screw below the focuser 1 if a heavy load is attached pull the lever at 90 The image usually has to be finely refocused over time due to small...

Page 11: ...drawtube gives an accurate indication on the focus position for various accessories Once the position for one accessory is known it is very easy to approximate the focus position Due to the precision...

Page 12: ...ube Weight 15 kg 32 lbs Telescope Visual Backfocus 170mm 6 7 in Field Flattener Backfocus 96mm 3 8 in Threads specifications Rings Threads Focuser Tube Drawtube Adatpor Field Flattener DSLRl Ext Tube...

Page 13: ...tire 44 mm imaging plane allowing picturing the sky with large sensors 4 Thread on field flattener adaptor used to install the field flattener on the focuser s drawtube 5 Field flattener extender tube...

Page 14: ...re doing prime focus imaging Before installing the field flattener onto the drawtube of the Helinear focuser the 2 ring adaptor 2 needs to be unscrewed and removed In order to easily unscrew the ring...

Page 15: ...support available alongside with the list of distributors and dealers worldwide on our worldwide internet site http www skywatcher com Sky Watcher offers this product with the best available quality i...

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