Monitor critical UV radiation. This portable, hand-held meter measures the UV photon flux in the wavelength range of 250 and…
Glass magnifier 2.5" diameter with bent platic handle. 3 power…
The New Kestrel 1000 has been redesigned for even better performance and functionality! Measures …
Esta barra incorpora dos soportes para montar dos barras tipo Vixen tubos opticos en paralelo. En Aluminio de color negro. A la…
Series 4000 Eyepieces: Serious telescope users own generally 4 to 6 eyepieces, for higher and lower magnifications, and for wide-angle…
Ideal for custom installation of any Orion finder scope on any non-Orion telescope Aluminum base fits Orion and Celestron Schmidt-Cassegrains up…