Hitech 138mm UV Haze 2A Filter with Schott-Desag B270 Crown Optical Glass

Hitech 138mm UV Haze 2A Filter with Schott-Desag B270 Crown Optical Glass | BF 138-UVHAZ2A

Most 138mm filters rely on basic soda-lime glass that softens fine detail and adds a subtle color cast to your wide or telephoto lens. This Hitech 138mm UV Haze 2A unit doesn’t fall into that trap.

Inside the ring is genuine Schott-Desag B270 crown optical glass ? the same substrate used in precision laboratory optics. That means near-zero visible light absorption and no unintended tint across the spectrum. The 2A rating delivers a mild warming filter effect that cuts atmospheric haze while keeping skin tones and neutral grays clean. Unlike generic UV filters, this one preserves contrast and micro-contrast where it matters.

• UV haze control ? reduces bluish scatter from UV light, so your backgrounds stay crisp both on digital sensors and film.
• B270 crown optical glass ? Schott-Desag formulation gives reliable color neutrality and high surface clarity.
• Slip-fit 138mm mount ? easily installs or stacks onto retaining rings without threading; no forced fit on large-front lenses or filter systems.
• Multicoated surfaces ? cuts flare and ghosting in backlit or mixed-lighting scenarios without adding reflections.
• Climate-neutral tooling ? the brass ring resists binding or seizing on humid location shoots.

This filter is a solid choice for outdoor portraitists, architecture photographers, or anyone shooting long exposures under open sky who wants UV protection without degrading optical integrity. If you’re already using step rings or a bellows-mounted 138mm system, it drops right into the workflow.