Pentax SP WP 20x60 Binoculars deep sky objects - improved

deep sky objects - improved contrast with nebulae and galaxies

This curvature causes stars that are imaged at the edge of the field of view to be less sharp

A filter that removes the need to combine the Neodymium Moon and Skyglow filter with the Fringe Killers to deliver an amazing colour-corrected image to achromatic refractors

25" - 2" Prism rail Vixen-Style

The Baader OIII filter is very narrow banded with only 10 nm FWHM

Pentax SP WP 20x60 Binoculars deep sky objects - improvedVoted in the Top 10 binoculars for Astronomy by BBC Sky at Night magazine! Description Pentax S seriesThe S series consists of both roof and porro prism models with objective lenses > 40mm so personal preferences are immediately defined. In addition to the newly developed light transmission coatings, waterproof porrro prism models also boast the hydrophobic coating, thereby allowing for contrast rich, bright viewing under rough outdoor conditions. New