CCTS Arcturus Optics is Proud to

Announce the Only 

5 Element APO Barlows

on the Market Today!

ARCTURUS PREMIUM APO BARLOWS

These barlows deliver a flatter field-of-view than even the best

4-Element Apochromatic Barlows.

These Barlows utilize Premium grade optical glass and multi-layered coatings for maximum light transmission and highest contrast. Lens edges and all internal metal surfaces are blackened to maximize image contrast. Beautifully Anodized with brass compression fittings on 2 inch barrel and 1.25 adapter. These barlows incorporate a positive lens which serves to deliver an incredible flat field and no vignetting with low power eyepieces.