rings under $300

Top ranking choices for B&H customers who searched for rings under $300

B&H # ARK2.47222.0 MFR # K2.47222.0

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Expected availability: 2-4 weeks
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This item is noncancelable and nonreturnable.

You Pay: $300.00

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This ARRI R2 138mm Filter Ring fits into the back of ARRI matte boxes with a rear opening of 143mm, and is for internal focus lenses only. It enables mounting a 138mm round filter, such as a polarizer, onto your matte box and allowing for rotation of the filter. The R2 ring acts as an anti-refection donut and supports lenses with a front outer diameter of 114mm such as Master Primes, Ultra Prime, and LDS Ultra Primes.

The ring will allow you to use wide-angle video lenses as well, but only lenses with an internal focus design. It will accept optional R4 reduction rings, which allow you to use select lenses with a front outer diameter of less than 114mm.
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Top Highlights

  • Supports 138mm Filters
  • For Matte Boxes with 143mm Openings
  • Compatible with MMB-1 Matte Box
  • For Lenses with 114mm Outer Diameter
  • For Lenses with Internal Focus Only
  • For Master Prime Lenses
  • For Ultra Primes from 14 to 180mm
  • For LDS Ultra Primes from 14 to 180mm
  • Accepts Reduction Ring R4

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Expected availability: 7-14 business days
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You Pay: $300.00

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Expected availability: 3-7 business days
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This item is noncancelable and nonreturnable.

You Pay: $299.99

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The 18457 Port Extension Ring from Aquatica is for their bayonet style housings when using one of a variety of Canon, Nikon and Sigma lenses in an Aquatica port. Insert the ring between the port and the housing. It is constructed from durable anodized aluminum.

To check lens and lens port compatibility, see the following charts:

Canon, Sigma and Tokina Type 1 Lens Chart
Canon, Sigma and Tokina Type 2 Lens Chart
Canon Type 4 Lens Chart
Nikon, Sigma and Tokina Type 1 Lens Chart
Nikon, Sigma and Tokina Type 2 Lens Chart
Nikon, Sigma and Tokina Type 3 Lens Chart
Nikon, Sigma and Tokina Type 4 Lens Chart
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  • For Canon, Nikon, Sigma Lenses

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You Pay: $299.95

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The Vinten 1212-7 is a lobed retaining ring for use with the 3750-3 Mitchell four-bolt threaded base adapter.
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Expected availability: 7-14 business days
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This item is noncancelable and nonreturnable.

You Pay: $299.25

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The BROKEN ANCHOR DESIGN ZERO Follow Focus Ring, in satin black, allows you add follow focus gears to almost any photo/DSLR lens in an intuitive and reliable manner. Made of aircraft grade aluminum and featuring all the mechanics on the inside, ZERO has no obstructions on the exterior that can stop your rotation, and in turn provides you with seamless, 360° rotation. ZERO is designed to fit any lens from 60 to 92mm in diameter, and offers industry standard 0.8 MOD gear teeth compatible with any follow focus.

ZERO attaches to your lens via an efficient and secure mechanism. Simply slide it over your lens, rotate the front ring, and scissor-like arms extend out and fix firmly on the lens at three points. Rubber-padded and backed by an internal tension ring, the arms gently lock in place for slip-free and scratch-free operation. And all this takes under three seconds (more like under two). To remove the ring, press the release button and rotate the front ring the opposite way.

The scissor-lock action ensures that the gear is perfectly centered on your lens. Additionally, the large diameter of the ring results in a longer focus throw, providing you with a cine lens-like experience and greatly improving control accuracy. Move ZERO from lens to lens in close to an instant, and don't waste any time lining up the focus ring thanks to the seamless design.
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Top Highlights

  • Fits Any Photo Lens 60-92mm in Diameter
  • Internalized Mechanics, No Obstructions
  • Seamless 360° Rotation
  • Move from Lens to Lens in Seconds
  • Scissor-Like Arms Extend out and Lock
  • Ensures Perfect Centering on Your Lens
  • Large Diameter Provides Long Focus Throw
  • Industry Standard 0.8 MOD Gear Teeth
  • Made of Aircraft Grade Aluminum
  • Slip-Free Rubber Pads

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You Pay: $299.00

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Allows you to quickly and easily connect a Lightbank to a standard lighting instrument. Designed primarily for smaller, open-faced quartz instruments. These Speed Rings allow you to work with single or multiple sources within a Lightbank, which enables you to change the intensity of your source instantly.
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Expected availability: 7-14 business days
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You Pay: $294.00

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This Chimera Speed Ring includes a Mogul-base bulb socket and USA (110-120 VAC) plug. It is designed to work with the Chimera Video Pro and Lantern Lightbanks.
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You Pay: $294.00

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B&H # ARK2.34131.0 MFR # K2.34131.0

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Expected availability: 2-4 weeks
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This item is noncancelable and nonreturnable.

You Pay: $290.00

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B&H # ARK2.49109.0 MFR # K2.49109.0

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Expected availability: 2-4 weeks
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This item is noncancelable and nonreturnable.

You Pay: $290.00

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This Sea & Sea port extention ring 40 goes between a Sea & Sea housing and a port to allow room for certain lenses.

See system chart

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Expected availability: 7-14 business days
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You Pay: $289.95

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B&H # KOS4BRS1 MFR # K-744-0524

This Bron Kobold 400 Beam Ring Set 1 allows you to use the Bron Kobold DW 400 HMI lamp base with an ETC Source 4 Ellipsoidal followspot. The set consists of an HMI adapter plate for the DW 400 and a socket extension for the lamp base. The lamp must be purchased separately.
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  • DW 400 to ETC Source 4 Adapter

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Expected availability: 7-14 business days
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You Pay: $288.12

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B&H # NEC50LA01 MFR # NC-50LA01

The NEC NC-50LA01 Lens Adapter Ring is designed to allow the NP-PH1201QL projector to use the L2K-30Zm, NC-50LS12Z, NC-50LS14Z, NC-50LS16Z, NC-50LS18Z, or NC-50LS21Z lens.
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Expected availability: 7-14 business days
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This item is noncancelable and nonreturnable.

You Pay: $286.13

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Special Order

Expected availability: 7-14 business days
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This item is noncancelable and nonreturnable.

You Pay: $285.00

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The Silvestri #3575 Extension Ring #2 is used with their Bicam II camera, and mounts between the Bicam II body and the rear viewing/imaging devices.  It is necessary because the Bicam II is so thin, and with some lenses this 30mm of additional path length allows the full focus range.
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  • Made in Italy

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Expected availability: 2-4 weeks
You can order this item today and pick it up at the B&H NYC Superstore during regular business hours.
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This item is noncancelable and nonreturnable.

You Pay: $284.95

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The K5600 Beaker Safety Wire and Bug Ring for Joker 1600 protects the clear or frosted Beaker lamp cover when using the 1600 in "bug mode" without a Beamer reflector. The wire cage fits over the Beaker and is held on with the included Bug Ring. The wire cage also protects the user in the case of catastrophic failure of the lamp.
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  • Protects Glass Beaker

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Expected availability: 7-14 business days
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You Pay: $276.00

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The OConnor 114-55mm Threaded Universal Step-Down Ring is a threaded step-down ring compatible with the OConnor O-Box WM matte box. Use this versatile ring to replace multiple reduction rings when shooting with lenses of varying sizes. Its flexible fabric inner ring reduces the outer 114mm diameter and adapts to any lens with a front barrel diameter from 55mm to 104mm.
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"Get the job done....Excellent Product...Not the prettiest solution but now this OConner ring fits nicely in the Atom and functions pretty much like a Black Hole for their larger mb systems....It's the best of all worlds - no hard mount to get in the way or not fit quite right, no big black bag with a drawstring to get in the way or not quite cover all gaps (or on smaller lenses, envelop the whole lens), and no loose lens donut flopping between your lens and matte box."

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  • Step-Down Ring for O-Box WM Matte Box
  • For Lenses with 55-104mm Front Barrel
  • Aluminum Exterior Ring
  • Flexible Fabric Inner Ring

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You Pay: $275.50

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B&H # TEMTS5 MFR # MRS-5000

INCLUDES FREE   Value $9.99
The 5" Tele Vue Mount Ring Set provides a rigid and stable means of attaching any compatible optical tube assembly (OTA) to most mounts or heads. Its individual rings can be spaced from 5.5" to 6.5" apart to allows the Mount Ring Set to accommodate a variety of OTAs and mounts. Each ring has 2 accessory channels with #10-32 tapped holes, and 1/4"-20 tapped holes on the top and bottom of each ring to accept the accessory bar, the bottom plate, a stud, or a bolt as necessary. The included bottom plate is drilled to mate to a variety of mounts or mounting adapter plates, including Tele Vue's Vixen Mount Adapter and Gibraltar5 Head.
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  • Adjustable Ring Spacing
  • Four Accessory Channels, #10-32 Holes
  • Four 1/4"-20 Mounting Holes
  • Includes Bottom Mounting Plate

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Expected availability: 3-7 business days
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You Pay: $270.00

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Special Order

Expected availability: 6-10 weeks
You can order this item today and pick it up at the B&H NYC Superstore during regular business hours.
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This item is noncancelable and nonreturnable.

You Pay: $269.00

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