Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.
Optolong Filters OIII 3nm 2"
The OIII Filter: This narrowband OIII 3nm filter is specifically crafted for observing nebulae. It allows a 3nm bandwidth of light centered on a wavelength of 500nm, corresponding to OIII emission lines, while effectively blocking out all other light.
392.74 $ net price (non-EU countries)
Anatolii Livashevskyi
Product Manager
/ 
+48721808900
+48721808900
+48721808900
[email protected]
Description
The OIII Filter: This narrowband OIII 3nm filter is specifically crafted for observing nebulae. It allows a 3nm bandwidth of light centered on a wavelength of 500nm, corresponding to OIII emission lines, while effectively blocking out all other light.
Specifications:
Capacity: Single
Connection (to eyepiece): 2"
Frame: 2"
Passband (nm): 500
Half-value width (nm): 3
General Type: Filters
Type of Build: Line filter
Area of Application:
Useful for photographs: Yes
Anti-light pollution: Yes
Planetary nebulae: Yes
Supernova remains: Yes
Visually useful: Yes
Hydrogen nebulae: -
Nebulae & galaxies: No
Data sheet
Official permits of the Ministry of Development and Technology
Our company is involved in preparing official permits from the Polish Ministry of Development and Technology, which allows us to export all dual-use drones, optics, and portable radiophones without VAT on the Polish side / and without VAT on the Ukrainian side.