Antlia 3nm SII Pro Series Filter - 2" - SII-PRO-3NM-2 Bresser who could ask for more

who could ask for more

Quality Interchangeable Eyepieces:  The BOS80 comes with two 12

The bag is made of durable stitched fabric and has additional (two) pockets to carry small accessories to your observing site

Optical Tube Info Optical Design Schmidt-Cassegrain Aperture (mm) 203

25” filters has 26 mm of clear aperture

Antlia 3nm SII Pro Series Filter - 2" - SII-PRO-3NM-2 Bresser who could ask for moreThis very narrowband 3 nm SII filter from Antlia is part of their Pro series and comes in a 2" threaded filter cell that is designed to be screwed on to the 2" receptacle of your astrophotography accessory, including a 2" filter wheel or filter drawer. Antlia 3nm Pro Series Sulfur II Filter 2" Mounted This Antlia SII Pro narrowband filter optimizes the FWHM (full width half maximum) to a 3nm bandpass. As the bandwidth becomes narrower, the 3nm Pro