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Bahtinov Focus Mask, Small-Medium, FP401

Attach your camera to the telescope, focus a genuinely splendid star in your telescope and accomplish a harsh core interest. At that point put the veil over the front opening of your telescope by “hanging” it on the plastic screws from the front dew shield. Take a short introduction. The picture of the star will demonstrate diffraction spikes. The “center” set will no doubt be moved to the other side or the other. This is demonstrating the defocus. Alter the focal point of your telescope and re-uncover the star, by and by demonstrating the diffraction spike design. Repeat the procedure until the point that you get the focal diffraction spike focused against the star and alternate spikes. When you accomplish a symmetrical example, you have accomplished the most ideal core interest. Expel the cover, focus your objective question and take your pictures!

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  • Bahtinov center veil for little medium telescopes; fits telescopes with dew shield or cylinder from 3.5" to 6.5" in diameter.
  • Bahtinov Center Covers make centering for astrophotography simple; directions included
  • Works with all DSLR cameras or CCD imagers
  • Simply put the Bahtinov Center Cover over the finish of your telescope
  • Made in the USA by Farpoint Astro

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Shipping is FREE to all addresses other than APO/PO boxes in the lower 48 states. All our stock ships from our US-based warehouses. Shipped via USPS or UPS (depending on location and package weight) Unless stated otherwise, all orders will ship within 24 hours of your payment being processed. Check our feedback to see the great reviews of FAST shipping we offer.

We stand behind our products.
Items can be returned for exchange or full refund within 30 days from the date you receive your merchandise. We are not responsible for any purchase after this 30-day period.

Domestic lower 48 free shipping is expedited. We have many different shipping locations depending on the product you buy and the shipping location that you choose. We try to ship most items within 24 hours of payment Monday-Friday. Most orders are in transit for two days but some may take longer. If you have a specific time frame please contact us before you make the purchase.

Return shipping is the buyer's responsibility unless the return is a result of our mistake. We will pay for shipping replacement back to you if an exchange is requested.

Shipping is FREE to all addresses other than APO/PO boxes in the lower 48 states. Our stock all ships from our US-based warehouses. Shipped via USPS or UPS (depending on location and package weight) Unless stated otherwise, all orders will ship within 3 days of your payment being processed. Check our feedback to see the great reviews of FAST shipping we offer.

PAY SAFE: PAYPAL PAYMENT IS ACCEPTED
We offer a 30-day return policy for our products.

We stand behind our products.
Items can be returned for exchange or full refund within 30 days from the date you receive your merchandise.
We are not responsible for any purchase after this 30-day period.

Return shipping is the responsibility of buyer unless the return is a result of our mistake.
We will pay for shipping replacement back to you if an exchange is requested.

If you have any questions please contact us through "Ask seller a question" link.
We will respond within 1 business day or less.

All returns must be done within 30 days of the date of purchase.
Please note that we cannot give refunds after the 30 day limit has expired.
When sending in a return, please note that it can take up to 7 business days for the return to be processed.
We do our best to process as quickly as possible.

DELIVERY TIMES
Domestic lower 48 free shipping is expedited. We have many different shipping locations depending on the product you buy and the shipping location that you choose. We try to ship most items within 24 hours of payment Monday-Friday. Most orders are in transit for two days but some may take longer. If you have a specific time frame please contact us before you make the purchase.
Electronic Products

Our electronic products are manufactured according to the specifications of the US Electrical Standards and Codes. If you purchase these products to use in a country outside of the United States we cannot guarantee they will work properly. We assume no responsibility if the items malfunction or cause an accident because one tried to use the product with foreign electrical standards. The use of a converter or other voltage transforming device is at your own risk.

Filed under: Eyepieces & Accessories