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Model: SHTBARLOWBrand: Celestron
Generally In Stock, Please Confirm Before Ordering
A second hand Celestron 2X barlow lens in nice condition. Comes boxed with front and back caps. The glass is clean with no marks or blemishes.
This Celestron 1.25 inch universal barlow and T-adapter is three accessories in one;
a 2x barlow lens to double the magnification of your 1.25 inch eyepieces.use the T-Adapter section along with a relevant T2 mount (not included) for prime focus photography.use the T-Adapter with the barlow lens along with a relevant T2 mount (not included) for tele extended photography.The relevant camera brand specific T2 adapter mount will also be required to attach the camera body to this adapter.
The Universal Barlow and T-Adapter can be used as a 2X Barlow right out of the box. Insert any 1.25 inch eyepiece into the chamber and you will enjoy double the magnification, while retaining all the eye relief of the inserted eyepiece.
The Celestron Universal Barlow and T-Adapter can also be used for prime focus photography, which means you use the telescope as a very big photographic lens. Just unscrew the bottom section of the unit to remove the Barlow and slide the chrome barrel into the telescopes 1.25 inch focuser or adapter. Lock it firmly in place with the focuser or adapter thumbscrew. T-threads on the top of the adapter screw into a T2 mount (sold separately) that is designed to attach to the brand-specific lens mount of your DSLR or SLR camera.
Please note that some telescopes, especially fast refractors and Newtonians, may not have enough focus travel to allow the photographic image to come to focus when used in prime focus mode. In these instances, adding the Barlow to the T-Adapter will allow the telescope to reach focus. In Tele-Extended mode, the Barlow doubles the focal length and f/ratio of your telescope, resulting in an image on the sensor or film plane that is twice the size of a prime focus image.
Prime focus and tele-extended photography are popular for short exposure images of terrestrial objects as well as celestial objects like the Moon.
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Rother Valley Optics
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Rother Valley Optics Ltd is registered in England and Wales 04762707. Registered Office: 21 Station Road, Kiveton Park, Rotherham, S26 6QP. Rother Valley Optics Ltd acts as a credit broker only. Rother Valley Optics Ltd are authorised and regulated by the Financial Conducts Authority. Credit provided subject to age and status..
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