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Zoom Eyepieces

ScopeTronix 7-21mm Zoom Eyepiece and Adapters

   You don't need to spend a fortune to get a decent zoom eyepiece. The ScopeTronix 1.25" zoom eyepiece features fully multicoated optics, a flip down rubber eyeguard, and is threaded for filters. The zoom ranges from 7mm to 21mm and it is near parfocal throughout the zoom range. We offer a 28mm digital camera adapter for use with many Nikon Cameras such as the 800/900/990/995/4500. The adapter is attached by simply pulling off the rubber eyeguard, slipping on the adapter and tightening 3 thumbscrews. We also offer adapters to allow use with other cameras such as the Nikon 880/885/5000, and 37mm Sonys. The Adapter/Eyepiece combination is then threaded directly into the camera. Some cameras may require a lens tube (Nikon 800/880/5000), or 37mm adapter ring (most 37mm Sony). Please note that Zoom eyepieces are somewhat of a compromise when used with digital cameras. They are convenient but if you want the highest possible picture quality with the least vignetting we suggest you look at our 14 & 18mm Wide Angle Eyepieces. Please call for Adapters for other Nikon Cameras.

Meade Series 4000 8mm to 24mm Zoom Eyepiece

   Conceived by one of the world's leading designers of photo-optical instruments, this 7-element system provides an apparent field of 40° at the 24mm setting, increasing continuously to a 55° field at 8mm. The internal zoom optics move on smooth, precisely machined surfaces which maintain optical collimation at all zoom settings. A scale graduated in 1mm units indicates the zoom focal length in operation. All lenses are multi-coated for maximum light transmission and image contrast, while minimizing internal reflections. The chromed brass barrel is threaded for filters.