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Telescope Focusing Mask, 60-90mm Bahtinov Mask for Astrophotography
Telescope Focus Mask Specifications: - Item Type: Telescope Focus Mask - Material: Acrylic - Thickness: Approximately 2mm / 0.08 inches - Color: As shown in the pictures - Weight: Approximately 21g / 0.7oz
Supported Telescope Objective Lens Outer Diameter Size Range: - Approximately 60-90mm / 2.4-3.5 inches (with a 1-2mm manual measurement error)
Package Includes: - 1 x Bahtinov Mask - 3 x Mounting Accessories
Wide Range of Applications: The mask can be used with all types of telescopes, including mirrors, refractors, Dobsonians, Mak Cas, and more. Simply measure your telescope tube size and choose the appropriate mask size.
Bahtinov Masks Function: The mask eliminates the guesswork in focusing, even in challenging vision conditions, allowing you to achieve the best focus for your telescope quickly and easily.
3 Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts are covered with scratch-resistant silicone to protect your telescope's surface. This prevents slippage while keeping the mask perfectly centered.
Post Installation and Lightweight Design: The 3-post mount ensures the mask remains centered while fitting a wider range of telescopes. The Bahtinov focus mask is lightweight, so it won't upset the balance of your scope.
Applicable Size: The outer diameter of the Bahtinov mask supports telescope objective lenses in the range of 100-140mm (with a 1-2mm manual measurement error).
product information:
| Attribute | Value | ||||
|---|---|---|---|---|---|
| package_dimensions | 3.82 x 3.54 x 0.28 inches | ||||
| item_weight | 0.634 ounces | ||||
| customer_reviews |
| ||||
| best_sellers_rank | #215 in Telescope Photo Adapters | ||||
| date_first_available | July 13, 2022 | ||||
| manufacturer | Yoidesu |
GUARANTEED SAFE CHECKOUT
24 Hours Cancellation
We accept order cancellation before Within 24 hours the product is shipped. If the order is cancelled you will get a full refund.
30 Days Returns & Exchanges Policy
If for any reason you are not satisfied with the purchased item,You have 30 days after delivery of your order to return an item.
After 30 days of delivery of your order, we will no longer accept returns.
Refund Process & Return conditions:
To request a return,please email us at:[email protected] ,We will respond within 24 hours after
the consumer sends the email (except weekends).
If it is a quality issue, please
provide an order number and attach clear photos of the items that represent the
issue.
After we receive the returned order, our Quality Assurance department will
inspect and verify the condition of the item.Upon acceptance of your return, a refund
will be issued to the original form of payment within 1-3 business days.
Make sure your item meets all our return conditions :
Items returned without authorization will not be accepted.
The time frame for return
must not exceed 30 days from when the original order was received.
Any promotional
gifts must also be returned with your returned item.
All items must be returned in
their original condition, without scratches or signs of wear, and must not be resized or
altered in any way.
Your return needs to be sent within the given time frame(3-12
working days)
Please make sure you provide us the tracking# and receipt after you
return.
Refunds
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, we will credit the credit limit to your credit card or original payment method within 5 business days (bank processing time frame).
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