filtro de telescopio svbony h-alpha 7nm filtro de 1,25 pulgadas filtro ccd fotográfico astronómico de banda estrecha para cielo profundo

TÉRMINOS Y CONDICIONES

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- El producto se trae a pedido, en un transcurso de 15 a 25 dias, si alguna restriccion de un ente gubernamental o de salud publica cambia o restringe vuelos, los pedidos pueden demorar mas tiempo.
- Precios pueden cambiar previo aviso. Depende de precio con proveedores o existencia.
- Fotos referenciales del producto, consulte no mas
- Despachamos a todo Chile con Starken.
- Productos importados de Estados Unidos, es probable que los productos electronicos trabajen en 110V y NO en 220V, podria usar un transformador, para mas informacion primero nos puedes preguntar todas las inquietudes que tengas.

-Optical high precision double sided polishing to ensure that the parallelism is higher than 30 inch and high flatness 1/4?; to ensure that does not affect the image quality
-Precision double sided optical coating;non two piece glue;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 to minimize the impact of temperature caused by the temperature drift
-High uniformity planetary wheel coating fixture to improve the uniformity of the filter wavelength
-Optical equipment professional fine sandblasting and anode treatment;the box to do extinction treatment to prevent reflection

H-Alpha is 656nm mainly through the high permeability of the spectrum,and 656nm spectrum of the color presented by the red-based, 300-1100nm cut-off depth to get the details of the launch nebula richer. Extremely narrow bandwidth allows only the 656nm band to pass through the filter, can effectively cut off the artificial light Na lamp and Hg lamp interference to make the transmission line through, so as to improve the nebula contrast. With CCD is better choice for deep sky photography and wide-field astrophotography Features: reduce the damage light High cutoff the light damage and other stray light interference high quality Using Germany imported glass,using double-sided polishing processing 85% transmittance For the emission line 656nm transmittance of 85% or more narrow band filter The narrow band filter,even in areas where light pollution is heavy,and the full moon (the moon's largest and brightest) is the same, very narrow bandwidth, which reduces the interference of the external environment, but the haze and cloudy The weather is not possible other attributes Precision CNC integrated molding Multi-layers anti-reflection coating Frame with high-quality aluminum alloy material, anodized extinction treatment Thread: M28.5*0.6 Lined with double-layer EVA damping cotton Carton PP environmentally friendly materials,simple and beautiful Package Includes: 1xSVBNOY 1.25 inch H-Alpha 7nm 1xPP Material Plastic Box