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Aluminum Alloy- High Quality Bahtinov Focusing Mask Fixed Diameter 85-120/105-150/150-200mm
the Bahtinov Focus-Mask over the end of your telescope, then locate a
bright star near your target, take a 3-5 second picture and view the
diffraction spikes. Change your focus, take another picture and again,
view your diffraction spikes. Is the center spike moving further from
center? Then change the direction your focusing and try another picture.
Watch the direction the spikes are moving and when the center spike
passes the middle of the other two spikes, change direction and fine
tune your tuning knobs until the center spike is in the middle. Your now
in perfect focus.
- The Bahtinov Mask Made of aluminum alloy, not plastic. And it has whole anodizing aluminium process
- Masks now feature 3 holes which can be attached with 3 screws to prevent the mask from falling all the way to the ground
- Perfect focusing for your CCD, DSLR or Webcam in seconds
- Light weight so you wont upset the balance on your scope
for telescopes front end diameter 85mm to 120mm, Universal adaptation, 3
bolts with plastic cover allow the mask to be simply attached to any
- (105-150)Suitable for telescopes
front end diameter 105mm to 150mm, Universal adaptation, 3 bolts with
plastic cover allow the mask to be simply attached to any telescope
- (150-200)Suitable for telescopes front end diameter 150mm to 200mm, Universal
adaptation, 3 bolts with plastic cover allow the mask to be simply
attached to any telescope.
- Aluminium alloy material thickness: 1 mm
- Color: Black
- 3 X Bahtinov Mask
- 9 X Screw Kit
- We accept payment via PAYPAL ONLY. We only ship to confirmed PAYPAL addresses. Please make sure payment address in PayPal is correct.
- All major credit cards are accepted through our secure payment processor PayPal.
- Payment must be received within 7 business days of auction closing
Processing time:as the item description.
- We will prepare the shipment in 48-72 hours after we receive the payment and after the eCheck is cleared.
- We only ship to the confirmed address provided by PayPal. Please make sure the Ship-To address you type during checkout is correct. We are not responsible for any wrong or undeliverable addresses.
- We strive our best to provide you the most reliable, affordable way of shipping service. But sometimes international delivery is highly depended on the Courier Company and local customs/duties. If you do not receive your item on time, please contact us immediately for further assistance. Thank you for your understanding.
- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office before bidding. We will try our best to help customer do customs clearance.
A:Overseas Warehouse Local Dispatch
- From US Local Dispatch: USA: 2-6 business days , other countries: 5-14 business days.
- From UK Local Dispatch: UK: 1-5 business days , other countries: 3-8 business days.
- From DE Local Dispatch: Deutschland: 1-3 business days , other countries: 2-5 business days.
- From AU Local Dispatch: AU:2-6 business days.
B:Chinese Domestic Dispatch
- CountryDelivery TimeWorking Days(not including holiday)5-78-1112-1415-1920-22>22Working Days+Saturday+Sunday5-910-1516-2021-2526-30>31United KingdomRate(item arrived)9.9%63.2%19.1%3.4%4.4%RefundAustraliaRate(item arrived)21.4%50%14.3%7.2%7.1%RefundFranceRate(item arrived)10.5%28.6%43.8%10.1%7%RefundGermanyRate(item arrived)11.1%22.2%30.3%20.9%15.5%RefundCanadaRate(item arrived)0%47.1%31.4%17.6%3.9%RefundSpainRate(item arrived)3.5%25%47.9%12.9%10.7%Refund
- 2.You can pay extra shipping cost to get express delivery, such as EMS, DHL or UPS. It just takes 3-7 business days to receive order, please contact us if necessary.
- All items in our shop are covered by one year warranty.
- We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund the product price less S&H within 30 days of your purchase via parcel post.
- Please contact us before you return the item, we will offer you the right return address
- For any exchange or refund, we need the product must be in its original receipt, including the box, packaging and all the accessories.
- Buyers are responsible for the returning shipping cost. Shipping and handling charges are not refundable.
- Refund and replacement: Once the carrier has received your item, Please allow up to 10 business days for returns to be processed.
- If you cannot return it, you can sell it, too!! Been holding on to something past its return date? You can sell it online on eBay! Find its exact match on eBay and click the "Sell an item" button. It's easy.
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- If you are not satisfied with your purchase in any way, Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues.
- Do not hesitate to contact us anytime before and after your purchase through the clicking "ASK A QUESTION' and we are committed to your 100% customer satisfaction or you can contact us
- Our working time: 8:00am-18:00pm (Beijing Time). Because of time-difference, we cannot give you a quick reply sometimes. Please wait for some more time.
- If you want more items or make wholesale order, feel free to contact us. We will offer you a good discount!
Filed under: Eyepieces & Accessories