LWGON Datyson telescope adapter sleeve SLR camera photography sleeve CA1 extension tube 5P0021
- Package Dimensions: 4.1 x 2 x 1.6 inches
- Item Weight: 1.6 ounces
- Shipping Weight: 1.6 ounces
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- Extension tube provides extra focuser "back travel" often needed for short-range terrestrial viewing through a telescope, or for astrophotographic applications
- The housing is precision machined from aluminum stock and black anodized to a hard finish.
- The lens edges and inner barrel are blackened to provide maximum contrast.
- Features two locking thumbscrews to secure any inserted astronomy accessory
- Machined and anodized aluminum tube
These anodized, machined aluminum tubes provide extra focuser back travel
sometimes needed to achieve focus with certain eyepiece/telescope
combinations. More back travel is often needed for short-range terrestrial
viewing or with use of a field flattener, coma corrector, or focal reducer
lens. Each also has two locking thumbscrews and is threaded for filters.
Filed under: Eyepieces & Accessories