The three-lens design of the Explore Scientific ED-Apochromats provides everything an amateur astronomer desires – at a reasonable price. The construction with Hoya FCD001 ED glass has two air spaces and provides a level of correction so superior to the two-lens constructions, that are common in this price class, that you will see the difference immediately.
Descrizione
The three-lens design of the Explore Scientific ED-Apochromats provides everything an amateur astronomer desires – at a reasonable price. The construction with Hoya FCD001 ED glass has two air spaces and provides a level of correction so superior to the two-lens constructions, that are common in this price class, that you will see the difference immediately.
This excellent optical performance teams up with a high precision mechanics – the result is a telescope on a level that is setting a new standard in it´s price class. Astrophotographers will love this telescope – a optional field flattner is available and makes the telescope perfect even for cameras with a large chip format.
Features:
Aperture: 127mm
Focal Length: 952mm
Focal Ratio: f/7,5
Backfocus: 165mm above 2" adaptor
The kit includes:
Optics with dovetail plate and finder slot
2" Star Diagonal 99% reflectivity
Dust caps for front-lens and focuser
Brand
Explore Scientific
Warranty
2 years
EAN
4007922001814
Shipping Weight
7.7 kg
Optical design
refractor
Optical scheme
achromat
Optics material
ED
Optics coating
fully multi-coated
Objective lens diameter (aperture), mm
127
Focal length, mm
952
Lowest practical power, x
17
Highest practical power, x
300
Aperture ratio
f/7.5
Resolution threshold, arcseconds
1
Limiting stellar magnitude
13.02
Eyepiece barrel diameter, in
2
Focuser
2", 2-speed (10:1) rack & pinion, with helical gearing
Optical tube mounting mode
fastening rings
Optical tube material
aluminum
User level
beginners, experienced users
Observed object
planets of the Solar System and deep-sky objects
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