The three-lens design of the Explore Scientific ED-Apochromats provides everything an amateur astronomer desires – at a reasonable price. The construction with Hoya FCD-1 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 FCD-1 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:
Three lens air-spaced ED-apochromat
Hoya FCD01-ED glass
Polystrehl of above 0.9
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
4007922002996
Package size (LxWxH)
32x39x21 cm
Shipping Weight
9 kg
Optical design
refractor
Optical scheme
apochromat
Optics material
ED
Objective lens diameter (aperture), mm
80
Focal length, mm
480
Aperture ratio
f/6
Resolution threshold, arcseconds
1.6
Focuser
2'' rack & pinion with 10:1 fine adjustment
Additional
dust protection caps for an open aperture and eyepiece holder
Optical tube material
aluminum
User level
experienced users
Observed object
deep-sky objects, planets of the Solar System
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