Barlow lenses are an important optical element for extending the telescope focal length. This optic also plays an important role in astrophotography (especially planetary photography).
These Masuyama Barlows are designed and manufactured by Ohi Kohki Co., Ltd. in Japan. Manufactured using premium fully multicoated optical glass and available in 1.5x or 2x Configurations. The smooth-sided nosepiece is threaded to accept 1.25" astronomy filters.
These Masuyama Barlows are designed and manufactured by Ohi Kohki Co., Ltd. in Japan. Manufactured using premium fully multicoated optical glass and available in 1.5x or 2x Configurations. The smooth-sided nosepiece is threaded to accept 1.25" astronomy filters.
The Omegon 2X short Barlow Lens offers an ultra-short design and apochromatic correction. You can combine the Barlow lens with an eyepiece or a camera. ...
The Sky-Watcher NOMAD-5 5x Tele-Centric Focal Extender is a high-quality optical accessory with a variety of uses and connecting options for visual and imaging use.