Optolong L-eXtreme Filters - 2-inch

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Optolong
OPT-14802
The Optolong L-Extreme 2" Filter is a broadband light pollution dual band filter designed for nebula imaging using one-shot-color astroimaging cameras and DSLRs.   Features Accepts wavelengths at OIII (496nm & 500nm) and H-alpha (656nm)  90% light transmission Drastically reduces light pollution Built-in UV/IR cut filter 7nm bandpass 2mm thick glass   Please note that the L-Extreme Filter only works with telescopes slower than F4. It will not be compatible with telescopes faster than F4 such as RASAs or Hyperstars.     The Optolong L-Extreme accepts narrow wavelengths between H-Alpha (red) and OIII (green-blue) narrow band filters, and eliminates light pollution in urban skies. Compared to the L-Enhance filter, the L-Extreme does not accept wavelengths of H-beta, which drastically reduces light pollution even further. Crafted with premium quality materials, the Optolong L-Extreme features high quality Schott monolithic optical substrate glass built into a CNC-machined filter cell.    Wavelength Spectrum   Warning: Optolong L-Extreme Filters are not suitable for solar viewing. Do not use it to view the Sun.    Recommended Accessories ZWO 7 Position 2-inch Electronic Filter Wheel Automate your filter swapping with an electronic filter wheel. This filter wheel accepts 7 2" filters.  ZWO Filter Drawer for T2 Connection Swap out your 2" filter with ease with a ZWO Filter Drawer for T2 Connection. Suitable for APS-C and smaller cameras.  ZWO M54 Filter Drawer Swap out your 2" filter with ease with a ZWO M54 Filter Drawer. Suitable for Full Frame cameras.   About Optolong Optolong Optics is a specialist manufacturer of astronomy and astrophotography filters that are adored by astrophotographers worldwide since it was established in 1999. Particularly famous for their bandpass narrowband filters, “L-Pro” , "L-eXtreme" and "L-eNhance” which enables high quality imaging from simple one shot colour cameras, it’s hard to find a serious astrophotographer that has not longed for an Optolong filter in their tool kit.  Product Code: OPT-14802  
SKU
OPT-14802
OUR PRICE $499.00

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    The Optolong L-Extreme 2" Filter is a broadband light pollution dual band filter designed for nebula imaging using one-shot-color astroimaging cameras and DSLRs.

     

    Features

    • Accepts wavelengths at OIII (496nm & 500nm) and H-alpha (656nm) 
    • 90% light transmission
    • Drastically reduces light pollution
    • Built-in UV/IR cut filter
    • 7nm bandpass
    • 2mm thick glass

     

    Please note that the L-Extreme Filter only works with telescopes slower than F4. It will not be compatible with telescopes faster than F4 such as RASAs or Hyperstars.    

    The Optolong L-Extreme accepts narrow wavelengths between H-Alpha (red) and OIII (green-blue) narrow band filters, and eliminates light pollution in urban skies. Compared to the L-Enhance filter, the L-Extreme does not accept wavelengths of H-beta, which drastically reduces light pollution even further. Crafted with premium quality materials, the Optolong L-Extreme features high quality Schott monolithic optical substrate glass built into a CNC-machined filter cell. 

     

    Wavelength Spectrum

    Optolong L-Extreme Wavelength Spectrum

     

    Warning: Optolong L-Extreme Filters are not suitable for solar viewing. Do not use it to view the Sun. 

     

    Recommended Accessories

    ZWO 7 Position 2-inch Electronic Filter Wheel ZWO 7 Position 2-inch Electronic Filter Wheel Automate your filter swapping with an electronic filter wheel. This filter wheel accepts 7 2" filters.  Add to Cart Button
    ZWO Filter Drawer for T2 Connection ZWO Filter Drawer for T2 Connection Swap out your 2" filter with ease with a ZWO Filter Drawer for T2 Connection. Suitable for APS-C and smaller cameras.  Add to Cart Button
    ZWO M54 Filter Drawer ZWO M54 Filter Drawer Swap out your 2" filter with ease with a ZWO M54 Filter Drawer. Suitable for Full Frame cameras. Add to Cart Button

     

    About Optolong

    Optolong Optics is a specialist manufacturer of astronomy and astrophotography filters that are adored by astrophotographers worldwide since it was established in 1999. Particularly famous for their bandpass narrowband filters, “L-Pro” , "L-eXtreme" and "L-eNhance” which enables high quality imaging from simple one shot colour cameras, it’s hard to find a serious astrophotographer that has not longed for an Optolong filter in their tool kit. 

    Product Code: OPT-14802

     

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