Genesis Gear Step-Up-ring 30–42 mm

A step-up ring that lets you mount 42 mm filters onto lenses with 30 mm threads, expanding your creative options without vignetting on standard focal lengths.

Advantages

Machined from solid aluminum alloy with a matte anodized finish, this adapter resists corrosion and minimizes internal reflections. Its precise threads ensure a secure, wobble-free connection, while the slim profile keeps weight negligible.

Suitable for

• Photographers using 42 mm filters (UV, polarizer, ND) on compact or vintage lenses with 30 mm filter threads
• Videographers needing consistent filter sizes across a lens set
• Anyone wanting to reuse existing larger filters on smaller-diameter lenses

Key specifications

• Type: Step-up ring
• Lens side thread: 30 mm male
• Filter side thread: 42 mm female
• Material: Aluminum alloy
• Finish: Matte anodized
• Color: Black
• Installation: Screw-on
• Anti-reflection design

Recommendations

Pair with a 42 mm circular polarizer or ND filter for landscape work. Always check lens clearance before stacking multiple filters.