Simple to Use; also Ideal for Beginners: Provides a secure connection between your SLR camera and your telescope; it allows you to immediately start taking focal plane or eyepiece projection images
Premium Material Design: Anodized aluminum construction is sturdy and solid; withstand daily wear over long period time of use; extend product's service life
34mm Scales Value on Variable Extension: Provides more precise adjustment; achieve to adjust focal length for increasing the magnification and getting the best beautiful photos of the Moon and planets
New Upgrade: Astromania Upgrade Edition OIII Filter is used for capturing the gas tails and gas flows of comets; with the two brightest C2 emission lines at wavelengths of 511 and 514 nm; the full width at half maximum wavelength is less than 15 nm
High transmittance: Within the wavelength range of 504 nanometers to 525 nanometers; only the double-ionized oxygen line with wavelengths between 510 nanometers and 518 nanometers passes through with 99% of the wavelengths