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or digiscope and allows you to take pictures of the scenery
Activates the reed switch (shown below) at a distance of about 1cm
signals and data transfers going in and out of the cable are buffered to ensure consistent signal quality
Multilayer Coating
and other related devices with a USB power input--even while you're charging your digital camera or camcorder batteries
Tele Vue 4x Powermate (2") ID Card Printers & Accessories or digiscope and allows youPowermates are the highly evolved answer to the Barlow lens design from Tele Vue. While barlow lenses increase the eye relief of the eyepiece in use, they also reposition the exit pupil of long focal length eyepieces far from the designer's intended position. This can cause vignetting and image degradation. Using four elements, the Powermates leave the exit pupil where it was intended to be, restoring the full viewing aperture and optical quality of
US$ 49.95
US$ 39.95
US$ 39.95
