Svbony H-Alpha 7nm Filter 2x barlow lens Vixen ED81S

Vixen ED81S

no need to worry about too heavy weight to carry

and no halos in your final astrophotography images

Lower settings are ideal for night-time use

Product Manual

Svbony H-Alpha 7nm Filter 2x barlow lens Vixen ED81SOptical high precision double sided polishing to ensure that the parallelism is higher than 30 inch and high flatness 1 4; to ensure that IT does not affect the image quality Precision double sided optical coating; non two piece glue ; To effectively improve the transmittance and cut off depth Ion source assisted coating technology (IAD), to improve the density of the film to ensure that the filter wavelength minimizes the impact of temperature caused