BINTEL BT 152 Instruction Manual Download

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INSTRUCTION MANUAL

THE BINOCULAR AND TELESCOPE SHOP

84 Wentworth Park Rd Glebe NSW

2037

519 Burke Rd Camberwell VIC

3124

Email: info@bintel.com.au

WWW: www.bintelshop.com.au & www.bintel.com.au

BINTEL TELESCOPES

DOBSONIAN TELESCOPES

Summary of Contents for BT 152

Page 1: ...ANUAL THE BINOCULAR AND TELESCOPE SHOP 84 Wentworth Park Rd Glebe NSW 2037 519 Burke Rd Camberwell VIC 3124 Email info bintel com au WWW www bintelshop com au www bintel com au BINTEL TELESCOPES DOBSO...

Page 2: ...practice a little patience and a reasonably dark sky away from city lights you ll find your telescope to be a never ending source of wonder exploration and relaxation For after sales service or frien...

Page 3: ...9518 7255 for assistance Box 2 Dobsonian Base Qty Description 1 Left panel 1 Right panel 1 Front brace 1 Top baseplate has countersunk holes in it 1 Ground baseplate 2 Metal disks 1 Roller Bearing Ma...

Page 4: ...wrench to tighten the screws Do not com pletely tighten the screws yet See image be low Note Be sure that the Predrilled holes for the eyepiece rack are on the LEFT of the rocker box as view from the...

Page 5: ...titude Bearing in posi tion so that the screws will screw into the Brass Nuts Altitude Bearing Fitted 5 One side panel has 2 small pre drilled holes for mounting the Eyepiece Rack Attach the Eyepiece...

Page 6: ...cts to view in the night sky The 8 means it magnifies 8 times the 50 means it has a 50mm diameter lens It shows around 5 degrees of sky Before attaching the finder scope bracket to the telescope tube...

Page 7: ...crosshairs The finderscope is an invaluable tool for locating objects in the night sky its usage for this purpose will be discussed later in detail Focusing the FinderScope If when looking through th...

Page 8: ...nd remove the eyepiece Place it in the eyepiece rack if you wish Insert the 9mm eyepiece into the 1 25 eyepiece adapter then retighten the thumb screw If you were careful not to bump the telescope the...

Page 9: ...r collimating tool goes into the focuser like an eyepiece with the bottom end out The Bintel Deluxe Laser Collimator can also be used It comes with it s own instruction manual Aligning the Secondary M...

Page 10: ...oosen i e rotate counter clockwise each collimation thumb screw too much or the thumb screw will completely unthread from the mirror cell Rather try tightening the other two collimation thumb screws O...

Page 11: ...s and star clusters or even very many stars for that matter Your eyes take about 30 minutes to reach perhaps 80 of their full dark adapted sensitivity Many observers notice improvements after several...

Page 12: ...rt with a low power wide field and then work your way up in magnification If the object looks better try an even higher magnification If the object looks worse then back off the magnification a little...

Page 13: ...pect these subjects to appear like the photographs you see in books and mag azines most will look like dim gray smudges How to Find Deep sky Objects Starhopping Starhopping as it is called by astronom...

Page 14: ...er 4 NGC 6121 is a bright Globular Cluster with a line of 10th magnitude stars running north south through it By using the low power and moving one field at a time many objects will be found In the su...

Page 15: ...ed into place Handle the entire assembly carefully by the holder only do not touch the mirror surface You can clean the secondary mirror in its holder by following the same procedure described below f...

Page 16: ...t Dovetail base spring loaded X Y alignment Cooling Fan with Battery Pack TeleVue Eyepieces These are the standard candle of eyepieces and come in various focal lengths TeleVue eyepieces offer the sha...