Como o comprei dia 06 Agosto, posso durante 30 dias, arrepender-me e troca-lo por um destes:
- KONUS TELESC KONUSMOTOR 90 1785
Technical Features
Ø90mm(3.5") F.1000 f/11,1 REFRACTOR
• Achromatic objective
• Equatorial mount with R.A. tracking motor
• Metal tripod from 67 to 107cm. (from 2.1 to 1.6ft)
• 6x30 finderscope.
• 90° Diagonal Mirror
• Moon filter
• Two Ø31,8mm (1.25") eyepieces Plossl 10 and Plossl 17
• Moon and Sky map
• Cd-rom with software "Sky Explorer"
• Two soft cases for carrying the telescope
• Instructions
- KONUS TELESC MOTORMAX-90 1795
Technical Features
Description
recommended for planetary observations and astrophotography
- Maksutov-Cassegrain telescope with multicoated optics
- diameter 90 mm (3".5), focal lenght 1200 mm (47"), focal ratio f/13.3
- equatorial mount with RA motor
- polar scope 6x20
- metal tripod 73÷121 cm (2.4÷4.0 ft.)
- 8x21 achromatic finderscope
- 45° erecting prism and lunar filter
- eyepieces Plossl 10 mm and Plossl 17 mm, diam. 31.8 mm (1".25)
- magnification with supplied eyepieces 120x and 70x.
- CELESTRON TELESCOPIO NEXTSTAR80 GTL- Descontinuado
Optical Specifications:
Design: Refractor
Aperture: 80mm
Focal Length: 900mm
F/ratio of the Optical System: F/11
Objective Coatings: Fully Coated
Highest Useful Magnification: 189x
Lowest Useful Magnification: 11x
Resolution: Rayleigh Criterion:
Dawes Limit: 1.73 arc seconds
1.45 arc seconds
Light Gathering Power: 131x unaided eye
Field of View (Standard Eyepiece): 1.4º
Linear Field of View (at 1000 yds): 74 feet
Eyepiece Magnification: 36x (25mm)
90x (10mm)
Optical Tube Length: 35 inches
Software Specifications:
Software Precision: 16 bit, 20 arc sec. calculations
Ports: RS-232 communication port on hand control
Tracking Rates: Sidereal, Solar and Lunar
Tracking Modes: Alt-Az, EQ North & EQ South
Alignment Procedures: AutoAlign, 2-Star Alignment, Quick-Align
Database: 25 user defined programmable object.Enhanced information on over 100 objects
Total Object Database: 4,033 Objects
Mechanical Specifications:
Motor: Type:
Resolution: DC Servo motors with encoders, both axes
.26 arc sec
Slew speeds: Nine slew speeds: 4º /sec, 2º /sec, 1º/sec, .5 /sec, 32x, 16x, 8x, 4x, 2x
Hand Control: Double line, 16 character Liquid Crystal Display; 19 fiber optic backlit LED buttons
Fork Arm: Cast aluminum
E agora? Troco? e se sim, por qual?