BOSMA TW Mak 150/1800 Primary Mirror Achromatic Large Caliber Astronomical | Инструменты

BOSMA TW Mak 150/1800 Primary Mirror Achromatic Large Caliber Astronomical | Инструменты

Precision machining will reduce the phenomenon of bleaching to almost imperceptible

Each lens is subjected to manual low speed grinding under constant temperature control to ensure perfect face type

Clear imaging, high contrast, effective control of color difference

Large diameter and long focal length can be used for deep space observation, as well as moon and planetary details

When you buy an astronomical telescope, the aperture of an object is important. If economic capacity is allowed, as much as possible

Choose a large telescope. Because the aperture is large, the effective magnification is large and the received light energy is large

More, the resolution is high, and darker objects can be observed, and more details of the planets can be observed,

Double stars can be identified, and darker asteroids and comets can be found.

Observation notes:

1. with the astronomical telescope, to calibrate the finder, see the same as if through the eyepiece

Also in the finder center cross line finder, adjust well.

2., the sun must use solar filters, otherwise it will cause permanent blindness!

BOSMA IN THE WORLD:

OUR FACTORY:

OUR WAREHOUSE:

ABOUT PAYMENT

1.Please kindly arrange payment within 3 days of order if possible.

2.We accept Alipay on Ali-Express. Western Union, T/T, Visa, Mastercard, Qiwi, WebMoney, Boleto through secure payment processor ESCROW.

ABOUT SHIPMENT

1.Item will be shipped within 1- 5 working days after received a verified payment

2.Tracking number will be emailed to buyer at the time of shipment.

3.We only ship items to your confirmed address in Ali-Express,so please make sure that the order address match your delivery address.

4.We are not responsible for import charges or fees.

5.Due to shipping Regulations: BATTERIESWILL BE REMOVED PRIOR TO SHIPPING.

6.Some items may be delayed if held by customs for additional inspection. Delivery time depends on the product and the distance to its destination.

7.We try our best to provide you the most reliable, affordable way of shipping service,yet sometimes international delivery is highly depended on the local customs and post service.If you do not receive your item in time, please contact us immediately for further assistance. We will be responsible for any damages or losses incurred in the shipping process

ABOUT FEEDBACK

1.Buyer\'s early confirmation will be highly appreciated after receiving the items.

2.Since your feedback is very important to our business\'s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It\'ll just take you 1 minute, but this 1 minute has the extremely vital significance to us.

3.Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems. Thank you for your understanding!

ABOUT US

BOSMA was established in the turn of the millennium as an innovative pioneer in the field of optics.For years,weve been tapping the handy resources in China and absorbing the essence of cutting-edge design methodology,thus able to supply to the world high quality optics with most reliable performance at affordable prices.BOSMA products meet the need of all leisure applications and enhance your enjoyment of outdoor activities,including stargazing,nature study,birding,hunting,fishing,etc.Our line-up of optics are finelydesigned and constructed for varied setting.No matter what you need,theres always something for you.Choose BOSMA,choose a better view,and better world.

AFTER SERVICE POLICY

WARRANTY:

The product is covered by our Limited One Year Warranty. We guarantee the product to be free of defects in materials and workmanship one year from the date of purchase of the product in brand new condition.

DISCLAIMER:

The warranty does not cover consumer caused damages such as lost, misuse, abuse, or repairs attempted by one that is not authorized technicians.

RETURN,REPLACE,AND REPAIR:

Should any original defects appear within the warranty period, please contact us first, stating the problem (with pictures to proof the defects if picture works), and your order number, channel of your purchase (Amazon, or Ali Express, etc.). Upon our confirmation, ship the product to the designated address freight prepaid. Well either replace or repair it at our discretion upon receipt of the product, and return the replaced or repaired item FREE OF CHARGE to your original delivery address or an address agreed upon between you and us, freight prepaid.

CONTACT US

1.We work 5 days (Mon to FIR 9:00 AM-17:30 PM EST ) a week

2.You can leave us a message directly on Trade Manager or send us in station letter or send email to us ,we will answer you as soon as possible .