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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
this compact device will help you locate popular night sky objects
28") Diopter Adjustment Range: ± 2 Twilight Factor: 12
Eye relief: 15 - 18mm
which means you use the telescope as a photographic lens—a very big photographic lens
also allows connection of optional accessories PC port: USB 3
Antlia 3nm SII Pro Series Filter - 2" - SII-PRO-3NM-2 Replacement Parts this compact device will helpThis 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
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