Custom Waterhouse Stops

Six custom Waterhouse Stops, designed from your exact spefications for your Lens. These stops are made with a variant of black ABS plastic that is UV and heat resistant. The standard openings in each stop go from completely open (with a 5mm border), to 70%, 50%, 25%, 12.5%, and 6.25%. If you would like custom openings please let us know immediately after placing the order.

Allow two weeks. Sorry, as this is a custom item, returns are unavailable unless there's a problem with your order.

If you need assistance with measurements, please contact us for help.

$24.95

Opening Thickness

This is the thickness of the Waterhouse slot in your lens in millimeters. This should be as precise as possible for a good fit, you can always sand down the thickness if the stop is too tight.

For reference, using United States currency - a penny is 1.52mm, dime is 1.35mm, and a nickel is 1.95mm thick.

Opening Width

This is the width of the Waterhouse slot in your lens in millimeters. This should be as precise as possible for a good fit, you can always sand down the width if the stop is too tight.

This is a one-axis measurement, not the measurement of the width around the curve of the lens. Please see graphic on this page for how to take measurements.

Lens Barrel Inner Diameter

The inner diameter of the barrel of the lens where the Waterhouse slot is.