اشمیت کاسگرین

صفحه اصلی  >  تلسکوپ  >

 

 

 
Specifications 8" 10" 12"
Optical Design Advanced Coma-Free Advanced Coma-Free Advanced Coma-Free
Clear Aperture 203mm (8") 254mm (10") 305mm (12")
Focal Length Focal Ratio 2000mm f/10(8") 2500mm f/10 (10") 3048mm f/10 (12")
Optical Coating MgF2 on correcting plate (2-sides); standard aluminum on primary and secondary mirrors
Ultra-High Transmission Coatings (UHTC™) Included Included Included
Optical Tube Dimensions (dia. x length) 9.1" x 16.75" 11.75" x 22" 13.6" x 25"
GPS Sony®GPS Sony®GPS Sony®GPS
LNT Module Patented Level-North Technology with electronic level sensor, electronic magnetic north sensor, high-precision clock.
Smart Finder™ Red Dot viewfinder Red Dot viewfinder Red Dot viewfinder
Viewfinder 8x50 8x50 8x50
Telescope Mounting fork-type; double tine fork-type; double tine fork-type; double tine
Setting Circle Diameters, RA and Dec. RA: 8"; Dec: 5" RA: 8"; Dec: 5" RA: 8"; Dec: 5"
Zero Image-Shift Micro Focuser optional optional optional
GO TO Pointing Precision (approx.) 5-arc mins. 5-arc mins. 5-arc mins.
Pointing Precision, High Precision Mode 3-arc mins. 3-arc mins. 3-arc mins.
Slow-Motion Controls electric, RA and Dec electric, RA and Dec electric, RA and Dec
#497 AutoStar Hand Controller PIC 16C57 microcontroller; 2 line x 16 alphanumeric character display; 20-button keypad, red LED backlit
Batteries (user-supplied) 8 x C-cells 8 x C-cells 8 x C-cells
Battery Life (approx.) 60 hrs. 60 hrs. 60 hrs.
Onboard Celestial Object Database 30,223 objects 30,223 objects 30,223 objects
Slew Speeds: RA and Dec: 1x, 2x, 8x, 16x, 64x, 128x sidereal and 1.5°/sec., 3°/sec., 6.5°/sec.
Tracking Rates sidereal, lunar, or custom-selected from 2000 incremental rates
Tube Body aluminum aluminum aluminum
Mount Castings aluminum aluminum aluminum
Primary, Secondary Mirrors Pyrex® glass Pyrex® glass Pyrex® glass
Correcting Plate/Lens clear water white glass clear water white glass clear water white glass
Telescope Weight 33 lbs. 50 lbs. 60 lbs.
Tripod Weight 19 lbs. 19 lbs. 19 lbs.
Field Tripod Height all models: 30" to 44" variable 30" to 44" variable 30" to 44" variable
       

 

 

 

 

 

تمامی حقوق این سایت برای ایران اپتیک محفوظ است