Meade Series 6000 70mm Astrograph Quadruplet APO Refractor OTA
Apochromatic refractor (triplet). Objective lens diameter: 70mm. Focal length: 350mm
Product ID | 71793 |
Brand | Meade Instruments Corp. |
Warranty | 2 years |
EAN | 0643824209596 |
Package size (LxWxH) | 50x20x62 cm |
Shipping Weight | 2.13 kg |
This impressive 70mm, f/5 refractor has a focal length of 350mm, making it ideal for advanced astrophotography. Features a fully multi-coated quadruplet objective lens made from the highest quality ED (extremely low dispersion) glass for outstanding contrast and sharpness as well as near zero detectable chromatic aberration or "color fringing". The fully illuminated image circle is 42mm and will cover a 35mm full frame sensor.
Features a super precise dual speed 2.5" Rack and Pinion focuser with 10:1 gear reduction for ultra fine focus control. Standard equipment also includes a fully extendable dew shield and an aluminum hard carry case to protect your investment when not in use. Also includes aluminum front dust cover for objective lens.
Features:
- D= 70mm. F= 350mm. f/5 astrograph refracting telescope
- ED optical glass (extremely low dispersion)
- Fully Illuminated image circle: 42mm
- Aluminum hard carry case included
Product ID | 71793 |
Brand | Meade Instruments Corp. |
Warranty | 2 years |
EAN | 0643824209596 |
Package size (LxWxH) | 50x20x62 cm |
Shipping Weight | 2.13 kg |
Optical design | refractor |
Optical scheme | 4-element apochromat |
Optics material | FPL53 (with ultra-low dispersion) |
Optics coating | multi-coated |
Objective lens diameter (aperture), mm | 70 |
Focal length, mm | 350 |
Highest practical power, x | 140 |
Aperture ratio | f/5 |
Resolution threshold, arcseconds | 2 |
Limiting stellar magnitude | 11.3 |
Eyepiece barrel diameter, in | 1.25, 2 |
Focuser | 2.5", 2-speed (1:10), backlash-free, rack, precision |
Optical tube mounting mode | dovetail plate (Vixen standard) |
Dovetail mount | ✓ |
User level | beginners, experienced users, professionals |
Assembly and installation difficulty level | extremely simple |
Observed object | planets of the Solar System |
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