Includes all taxes
The Datyson Fei Yao Series 52° PL astronomical eyepiece is a classic choice for astronomy enthusiasts seeking a high-quality observing experience.
✨ Optical Configuration
• Design: Classic PL (Plössl) symmetrical design with 2 precisely cemented, high-quality optical glass lenses.
• Coatings: All-surface multi-layer broadband coatings ensure high light transmission and excellent chromatic aberration correction.
• Field of View: A comfortable 52° true field of view, ideal for extended observation sessions.
⚙️ Precision Mechanical Design
• Build: A robust all-metal body minimizes thermal expansion and contraction, preserving optical performance.
• Interface: Standard 1.25" barrel with fine internal baffle threads to suppress stray light and enhance contrast.
• Compatibility: Supports M28.6×0.6mm standard threaded accessories for expanded functionality.
🔭 Focal Length Options
A range of six focal lengths is available to suit various observing needs:
• High Power: 6.4mm, 12.4mm
• General Purpose: 15mm, 20mm
• Low Power / Wide Field: 32mm, 40mm
📦 Packing List
• 1x Datyson PL astronomical eyepiece
• 2x dust caps
🔭 Usage Scenarios
• Astronomy Enthusiasts: Perfect for observing planets, stars, and other celestial bodies.
• Educational Use: Ideal for classrooms and science clubs.
• Travel Astronomy: Lightweight and portable, suitable for stargazing on the go.
• Photography: Compatible with astrophotography setups.
✨ Why Choose Datyson
• Exceptional Quality: High-quality optical elements ensure clear and detailed views.
• Versatility: Multiple focal lengths provide flexibility for different observing conditions.
• Durability: Built to withstand various environmental conditions.
• Affordable Price: Competitive pricing makes it accessible to all astronomy enthusiasts.
Whether you are a seasoned observer or just beginning your journey, the Datyson Fei Yao series provides clear, comfortable views of the Moon, planets, and deep-sky objects, enhancing your stargazing experience.











Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
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If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
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BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
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Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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