- The SV216 Barlow lens adopts a 4-piece telecentric design; which effectively prolongs the focal length of the primary mirror without introducing chromatic aberration and vignetting problems that bother users; offers excellent spherical aberration control; resulting in a flatter field of view than standard Barlow lens
- The magnification of the SV216 Barlow lens is constant at 2 times; the 4-piece design of the Barlow lens and the optimized optical structure ensure that the magnification factor of the Barlow lens remains unchanged no matter where the Barlow lens is installed in the optical system
- SV216 2x Barlow lens adopts 3 screws design and coaxial locking device; improving the concentricity of the optical axis of the system can significantly improve the quality of captured images
- The 4 lenses of the SV216 Barlow lens are fully multi-layer enhanced coating; which makes the picture bright and sharp; the edges of the lens are blackened to eliminate internal light scatter to maximize image contrast
- The low magnification eyepiece is matched with the SV216 telecentric 2x 4-element Barlow lens; which can enjoy the magnification effect of the high magnification eyepiece while the eye relief distance is still within the comfortable observation range of the human eye
- 1.25-inch interface; the SV216 Barlow lens has a 1.25-inch interface; which can be installed with standard 1.25-inch eyepieces; filters and zenith mirrors to make it easy to use
- Brass compression ring; the brass compression ring firmly fixes the eyepiece in place without damaging the matching accessories
From the brand
Observation Discovery & Exploration
Product Description
Internal matting thread
Eliminates internal light scatter and improves image contrast
Brass compression ring
Firmly fixed the eyepiece in place without damaging the matching accessories
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
| Drostique | Nam tempus turpis at metus scelerisque placerat nulla deumantos |
| Pharetro Lorem | Pellentesque diam dolor elementum etos lobortis des mollis |
| Milancelos | Donec pretium egestas sapien et mollis |
| Pellentesque | Sedcus faucibus an sullamcorper mattis drostique des commodo pharetras |
| Proin Molestie | Pellentesque diam dolor elementum etos lobortis des mollis |
| Cosmopolis | Donec pretium egestas sapien et mollis |
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