Bresser National Geographic 90/900 EQ3 Telescope

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Achromatic refractor. Objective lens diameter: 90mm. Focal length: 900mm

Refractor

Optical design

Aperture – the diameter of the light-collecting lens (refractors and catadioptric) or mirror (reflectors) that the telescope uses to collect light

900

Focal length – the distance from the primary lens or mirror to the point at which the light is focused

Availability

Product ID	69380
Brand	Bresser GmbH, Germany
Warranty	2
EAN	4007922001012
Package size (LxWxH)	23x94x31
Shipping Weight	10.55

Description

The Bresser National Geographic 90/900 EQ3 classic refractor is equally good for astronomy and terrestrial observations. A long focal length, an achromatic lens, and maximum magnification of 675x make this telescope one of the best to show you the Moon in detail, Saturn's rings, giant storms on Jupiter, as well as bright emission nebulae, galaxies and star clusters if you observe on a dark, moonless night away from city lights. An equatorial mount is a bit complicated as compared to an azimuthal one, but is much more efficient and is suitable for astrophotography. The telescope comes with three eyepieces, a Barlow lens, and a lunar filter.

Features:

Telescope for advanced users
Achromatic refractor
High-quality optics
Suitable for deep-sky observations
Magnification up to 675x

The kit includes:

Bresser National Geographic 90/900 EQ3 Telescope
Equatorial mount
Counterweight
Focus wheel
Fastening ring
Red Dot finderscope
Eyepieces: H12mm, H20mm, SR4mm
3x Barlow lens
Moon filter
Diagonal mirror
1.5x erecting eyepiece
Aluminum tripod
Accessory tray
Rotatable star chart
User manual

Specifications

Product ID	69380
Brand	Bresser GmbH, Germany
Warranty	2
EAN	4007922001012
Package size (LxWxH)	23x94x31
Shipping Weight	10.55
Optical design	refractor
Optical scheme	achromat
Objective lens diameter (aperture), mm	90
Focal length, mm	900
Magnification, x	45 — 675
Aperture ratio	f/10
Eyepieces	H20 mm, H12.5mm, SR4 mm
Eyepiece barrel diameter, in	1.25
Barlow lens	3x
Finderscope	red dot
Filters included	lunar
Tripod	aluminum
Accessory tray	✓
Telescope control	manual
Mount	equatorial, EQ3
Counterweights	yes
User level	beginners, experienced users
Observed object	terrestrial objects