OPL-OIII6-36


in stock
in stock

Optolong O-III Deep-Sky Filter 6.5 nm, unmounted Glass Plate with D=36 mm


instead 167,23 EUR
only 150,42 EUR
excl. VAT
excl. 4,95 € Shipping costs

 

Optolong O-III Deep-Sky Filter 6.5 nm, unmounted Glass Plate with D=36 mm


OIII emits 495.9 nm and 500.7 nm, resulting in a blue-green colored filter. Many of images of planetary nebula and supernova remnants are taken only with H-alpha and OIII filters.

♦ narrowband line filter for important nebulae emission lines

♦ well suited for CCD cameras with full-frame transfer sensors

♦ 2 mm thick and thus homofocal with many other filters from Optolong

♦ interference filter

♦ unmounted glass plate with 36 mm diameter

♦ fine-optically polished

♦ multi-layer hard coated - largely scratch-proof

♦ The images 2 and 4 are for demonstration purposes only, thus showing the filter for 1.25" and its cardboard box.


 
 

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