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Bresser 70/900 NG User Manual

Bresser 70/900 NG
172 pages
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Telescope 70/900 NG
Art. No. 88-45001
Bedienungsanleitung
Operating Instructions
Mode d’emploi
Handleiding
Istruzioni per l’uso
Instrucciones de uso
Manual de utilização
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Návod k použití
Upute za rukovanje
Instrukcja obsługi
Návod na použitie
Manual de utilizare
Указания за ползване
Руководство по эксплуатации
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Bresser 70/900 NG Specifications

General IconGeneral
Product colorBlack, Blue
Tripod materialAluminum
TypeRefractor
Magnification225 x
Fixed aperture12.8 mm
Fixed focal length900 mm
Maximum supported eyepiece diameter31.7 mm
Weight and Dimensions IconWeight and Dimensions
Length950 mm
Objective diameter70 mm
Optical tube diameter110 mm

Summary

Important Information and Safety

Safety Warnings: Children and Fire Hazards

Addresses risks to children (sun exposure, suffocation) and fire hazards from sunlight.

Material Care and Handling

Covers preventing material damage, temperature limits, and proper cleaning techniques.

Privacy and Disposal Guidelines

Includes guidelines on respecting privacy and proper disposal of materials.

STEP I - Assembly

General Assembly and Positioning Information

Advice on choosing a suitable location and tightening screws by hand.

Tripod Setup and Extension

Instructions on setting up and extending the tripod legs for stability.

Accessory Tray Attachment

Steps for attaching the accessory tray to the tripod.

Telescope Tube Mounting

Guide on mounting the telescope tube onto the mount head.

Eyepiece and Zenith Mirror Installation

Instructions for installing the eyepiece and zenith mirror into the holder.

Finder Mounting and Alignment Procedure

Steps to mount and align the finder scope with the main telescope.

Lens Cover Application

Instructions on using lens covers to protect the telescope.

Flexible Shafts for Fine Adjustment

Guide on attaching flexible shafts for fine adjustment.

STEP II - Using the Telescope

Mounting Operation Modes Explained

Explains azimuthal and parallactic modes for observation.

Preparation for Night Observation

Advice on preparing for night observation, including eye adjustment.

Initial Telescope Setup Steps

Steps for initial setup, including tripod orientation and latitude setting.

Setting Geographical Latitude

How to set the telescope's latitude based on geographical location.

Aligning with the North Star

Instructions for aligning the telescope with the North Star for tracking.

Tracking Celestial Objects

How to position the telescope for tracking celestial bodies using flexible shafts.

Finder Scope Usage and Adjustment

Guidance on using the finder for initial alignment and observation.

Observation Techniques and Magnification

Tips for comfortable observation, focusing, and changing magnification.

Locating Stars and Constellations

Guidance on locating stars and constellations, and compensating for Earth's rotation.

Accessory Use for Magnification Control

Explains how to use eyepieces and the inverting lens for magnification.

Telescope Maintenance and Dismantling

Proper Storage and Protection Procedures

Recommendations for storing the telescope after use and replacing lens caps.

Inverting Lens vs. Zenith Mirror Usage

Clarifies when to use the inverting lens versus the zenith mirror.

Troubleshooting Common Issues

Resolving Telescope Problems

Lists common problems like no image or fuzzy image with their respective solutions.

Technical Specifications

Telescope Technical Data

Lists key technical specifications like magnification, lens diameter, and focal length.

Celestial Objects for Observation

Guide to Observable Objects

Details celestial bodies like the Moon, Orion Nebula, and Ring Nebula for observation.

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