Baader Filters U-Venus 1.25" (15281)

The Baader U-Venus 1.25" filter is a specialized tool designed for capturing ultraviolet (UV) light, making it ideal for imaging Venus. By isolating UV wavelengths, this filter enables detailed observation of the planet's cloud structures, which are not visible in standard visible light. It is specifically suited for astrophotography and is not intended for visual use due to its UV focus.

Specifications:

• Central wavelength (nm): 350

• Half-value width (nm): 60

• Connection (to the telescope): 1.25"

• Coating of optical system: Multi-coated (dielectric)

• Mount material: Aluminium

• Frame size: 1.25"

• Transmission (%): 80

• Filter thickness (mm): 2

General Information:

• Weight (g): 60

Area of Application:

• Useful for photographs: Yes

• Venus observation: Yes

• Visually useful: No