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The Movcam 104:90mm Step-Down Ring is designed to be versatile and should be compatible with most 104mm clamp-on matteboxes that do not have a thread on their rear adapter.
Yes, the locking pin is designed for ease of use, allowing for a secure and stable connection between the lens and mattebox with minimal effort.
The split diameter design of the ring allows for flexible widening, making it easier to mount the mattebox onto the lens and ensuring a snug fit for a variety of lens sizes.
No, the ring is designed to seamlessly adapt your lens to the mattebox without affecting the image quality. It simply alters the physical connection to enhance compatibility.
No additional equipment is needed. The step-down ring comes ready to use with a locking pin feature for easy and secure mounting onto your mattebox.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Split, clamp-on
104:90 mm
Before you dismiss the idea of using your 90mm lenses with your 104mm clamp-on matteboxes, consider the Movcam 104:90mm Step-Down Ring. This high-quality, durable accessory is specifically designed to bridge the gap between your lens and mattebox, expanding the versatility of your photography equipment.
Engineered for professional use, the step-down ring allows you to seamlessly mount 90mm lenses onto 104mm clamp-on matteboxes, particularly those without a thread on their rear adapter. This ensures a secure and stable fit, enhancing the reliability of your setup.
The ring features a unique design, split along a point of its diameter. This allows it to flexibly widen and accommodate the mounting of a mattebox, ensuring a snug fit regardless of the lens you're using. A locking pin on the side of the mattebox further enhances stability by securely tightening the ring in place.
With the Movcam 104:90mm Step-Down Ring, you can effortlessly convert the size of your lens from 104mm to 90mm, making it compatible with a wider range of matteboxes and other photography equipment. This reliable and versatile accessory is a must-have for photographers looking to maximize the potential of their equipment.