Chrosziel AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm)

Chrosziel AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm)

Chrosziel AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm)

B&H # CHSDR5085 MFR # 450-22
Chrosziel AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm)

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Product Highlights

  • Compatible with MB-450 Series Mattebox
  • 110:50-85mm Step-Down Ring
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You Pay: $78.00

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  • 1Description

The Chrosziel AC-450-22 Flexi-Ring Flexible Step-Down Ring is a 110:50-85mm adjustable step-down ring. The ring is designed to work with their MB-450 series of mattebox and will fit a variety of wideangle attachment lenses.

Compatible with MB-450 mattebox system for wideangle attachment lenses between 50-85mm.
Flexible material makes it easily adjustable.
In the Box
Chrosziel AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm)
  • 1-Year Warranty
  • Table of Contents
    • 1Description
    Front Lens Diameter ø110mm
    Rear Mount 50-85mm
    Packaging Info
    Package Weight 0.3 lb
    Box Dimensions (LxWxH) 5.3 x 5.1 x 0.5"
    AC-450-22 Flex-Ring Flexible Step-Down Ring (110:50-85mm) is rated 4.3 out of 5 by 6.
    Rated 3 out of 5 by from Useful with still lenses... A flexible solution for working with still lenses and a Chrosziel Mattebox. I'm working with old Nikon primes and DSLR/mirrorless bodies. I like using a Mattebox for light control and access to 4x4 filters. With a Chrosziel 450 - this accommodates a variety of lens front sizes - from Duclos modded lenses with 80mm fronts to unmodified 52mm front lenses. I'd give it more stars, but it's pricey for what it is and I do worry that it's going to tear with repeated use of large front lenses.
    Date published: 2014-08-01
    Rated 5 out of 5 by from Way better than a piece of black cloth.. This step down ring (aka doughnut) keeps light from reflecting off filters and back into the lens; it works with the AC-450 matte box and with lenses that have 50-85mm diameter fronts. It threads into the matte box's 110mm ring; the rubber ring stretches to fit around the lens front. It is especially good for lenses that expand and contract a bit as you focus or zoom them.
    Date published: 2011-05-03
    Rated 4 out of 5 by from A good solution... A good basic step down ring if you're using lenses with different front diameters with the MB-450. It screws in easily to the 110mm back ring of the matte box. The rubber element is pretty hard to stretch around when it's 80 to 85mm, but still possible, and brings a lot of functionality to this matte box system. Expensive for what it is, but it works.
    Date published: 2014-11-16
    Rated 5 out of 5 by from Simple, but effective. This is a very simple product but works very effectively for a bunch of photography lenses with different diameter fronts. It has a nice Chrosziel build and feels like it would last the test of time. I was expecting the rubber to be really stiff, and hard to get over the lens, but it's quite soft and easy to use.
    Date published: 2015-11-30
    Rated 5 out of 5 by from The dark room! It works very well with nikon lenses with 52mm diameter. You can change lens easily! Very useful!
    Date published: 2011-09-12
    Rated 4 out of 5 by from Got to have it, but over priced. Something you have to have. But it's just a piece of rubber and I think it's over priced.
    Date published: 2017-11-11
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