VNDF-R (Variable Neutral Density Filter)
Wavelength range: 380-2000 nm (400-700 nm best)
Optical density: 0.04-0.4 (various options)
Thickness: 1.5 mm
Rotation range: 360 degree continuous
Center opening size: 7.5 mm diameter
Diameter: 50 mm
Unopened and unused products may be returned for a full refund.
No restocking fee will apply.
The customer is responsible for return shipping and insurance.
Opened or used products may be returned within 90 days, subject to inspection.
A 15–20% restocking fee will apply, depending on product condition.
The customer is responsible for return shipping and insurance.
All returns require a Return Merchandise Authorization (RMA) prior to shipment.
Products must be returned in original packaging with all accessories.
Custom, modified, or special-order items are non-returnable.