30-40mm

Bresser Achromatic 3x 1.25" Barlow Lens - 49-50350 The magnification of your telescope can be tripled with the use of this achromatic Bresser Barlo...

Bresser Pirsch 8x34mm Waterproof Binoculars Elevate your viewing experience with the premium Bresser Pirsch 8x34mm Binoculars, an ideal companion f...

Bresser 70° 35mm Eyepiece - EP7035-0B Bresser 70° Series 35mm NON-WATERPROOF Eyepiece; 2" Barrel

Bresser 70° 30mm Eyepiece - EP7030-0B Bresser 70° Series 30mm NON-WATERPROOF Eyepiece; 2" Barrel

Bresser Barlow Lens 2x 31.8mm/1.25" - 49-50110 With the usage of barlow lenses, you can extend the focal distance of telescopes and hence the magni...

Bresser 6-Piece 70° Eyepiece Set - BR-EP70SET-01 The Bresser 70° Series eyepieces are excellent oculars that can transform your visual astronomy ex...