د BRESSER Messier AR-90s/500mm ریفراکټر ټیلسکوپ آپټیکل ټیوب کارونکي لارښود

1. پیژندنه

This manual provides essential instructions for the assembly, operation, and maintenance of your BRESSER Messier AR-90s/500mm Refractor Telescope Optical Tube. Designed for both beginners and experienced observers, this telescope offers excellent viewد آسماني شیانو.

The AR-90s/500mm optical tube features a 90mm aperture and a 500mm focal length, making it suitable for detailed observations of the Moon, planets like Saturn and Jupiter, and impressive wide-field views of star clusters and the Milky Way.

2. د خوندیتوب معلومات

WARNING: Never look directly at the sun through your telescope or its finderscope without a professionally manufactured solar filter. Permanent and irreversible eye damage, including blindness, can result.

• Do not leave the telescope unattended, especially when children are present.
• د نظري اجزاو سره په احتیاط سره چلند وکړئ ترڅو د سکریچونو یا زیان څخه مخنیوی وشي.
• Ensure the telescope is securely mounted to prevent accidental falls.

3. د بسته محتويات

ډاډ ترلاسه کړئ چې لاندې لیست شوي ټول اجزا ستاسو په کڅوړه کې شتون لري:

• BRESSER Messier AR-90s Refractor Optical Tube
• 26mm Super Plössl Eyepiece (31.7mm/1.25")
• Zenith Mirror (31.7mm/1.25")
• پایپ Clamp with Prism Rail (Universal Dovetail for EXOS/GP/EQ5/LXD75 mounts)
• ۵x۲۴ موندونکيسکوپ
• Astronomy PC software Stellarium
• Rotatable Star Map

4. د اجزاو پیژندنه

Familiarize yourself with the main parts of your telescope:

Figure 1: The BRESSER Messier AR-90s/500mm Refractor Telescope Optical Tube, showing the main tube, focuser, finder scope, and diagonal.

Figure 2: The 6x30 Finderscope, used for locating objects in the night sky before viewد اصلي دوربین له لارې تیریږي.

Figure 3: The 26mm Super Plössl Eyepiece, providing a wide field of view for initial observations.

Figure 4: The Zenith Mirror (Diagonal), which redirects the light path at a 90-degree angle for comfortable viewing.

5. ترتیب کول

د خپل ټیلسکوپ د راټولولو لپاره دا ګامونه تعقیب کړئ:

1. د آپټیکل ټیوب نصب کول: Attach the telescope's pipe clamp with its universal dovetail prism rail to a compatible astronomical mount (e.g., EXOS/GP/EQ5/LXD75). Ensure it is securely fastened.
2. د Finderscope ضمیمه کول: Slide the 6x30 finderscope into its bracket on the main telescope tube and tighten the retaining screws.
3. Inserting the Diagonal: Insert the Zenith Mirror (diagonal) into the focuser drawtube. Secure it with the thumbscrew on the focuser.
4. Inserting the Eyepiece: Insert the 26mm Super Plössl eyepiece into the diagonal. Secure it with the thumbscrew on the diagonal.

6. عملیاتي لارښوونې

Once assembled, you can begin observing:

1. د موندلو سکوپ ترتیب کول: Before observing, align the finderscope with the main telescope. Point the main telescope at a distant, stationary object (e.g., a distant tree or street light) during daylight hours. Center the object in the main telescope's eyepiece. Then, adjust the finderscope's alignment screws until the same object is centered in the finderscope's crosshairs.
2. د شیانو موندل: Use the aligned finderscope to locate your desired celestial object. Once the object is centered in the finderscope, it should be visible in the main telescope's eyepiece.
3. تمرکز: Use the focuser knobs to achieve a sharp image. Turn the knobs slowly until the object appears clear and crisp.
4. د بدلون لوړوالی: To change magnification, remove the current eyepiece and insert another with a different focal length. A shorter focal length eyepiece provides higher magnification.
5. د اسماني شیانو مشاهده: خوند واخلئ views of the Moon's craters, Jupiter's moons and cloud bands, Saturn's rings, and various star clusters and nebulae. The 500mm focal length is particularly good for wide-field observations.

7. ساتنه

مناسبه پاملرنه به ستاسو د ټیلسکوپ اوږد عمر او فعالیت ډاډمن کړي:

• د پاکولو اپټیکس: Use a soft, lint-free cloth specifically designed for optical surfaces. For stubborn dust, use a photographic lens brush or compressed air. For smudges, use a specialized optical cleaning solution applied to a cloth, not directly to the lens.
• ذخیره کول: Store the telescope in a dry, dust-free environment. Keep dust caps on the objective lens and focuser when not in use.
• سمبالول: Always handle the telescope and its components with clean hands to avoid transferring oils or dirt to optical surfaces.
• Dew Protection: The integrated dew protection cover helps reduce moisture formation on the objective lens.

8. ستونزه حل کول

که تاسو له ستونزو سره مخ شئ، لاندې عامې ستونزې او حل لارې وګورئ:

• انځور ړنګ دی: Adjust the focuser knobs slowly until the image is sharp. Ensure the eyepiece is fully inserted and secured. Check for condensation on the lens.
• شیان نشي موندلی: Ensure the finderscope is properly aligned with the main telescope (refer to Section 6.1). Start with the lowest magnification eyepiece (largest focal length) for a wider field of view.
• هیڅ انځور نه لیدل کیږي: Check that all lens caps are removed from both the main telescope and the finderscope. Ensure the diagonal and eyepiece are correctly inserted.

9. مشخصات

10. تضمین او ملاتړ

This BRESSER Messier AR-90s/500mm Refractor Telescope Optical Tube is covered by a د جوړونکي ۳ کلن تضمین.

For technical support, warranty claims, or further assistance, please contact BRESSER customer service through their official website or the retailer where the product was purchased. Please have your model number (AR-90s/500mm) and part number (4890500) available when contacting support.