Really Right Stuff B2-FAB 38mm Screw-Knob Clamp

Really Right Stuff B2-FAB 38mm Screw-Knob Clamp

Really Right Stuff B2-FAB 38mm Screw-Knob Clamp

Really Right Stuff B2-FAB 38mm Screw-Knob Clamp

Really Right Stuff B2-FAB 38mm Screw-Knob Clamp

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Product Highlights

  • Arca-Type Compatible Clamp
  • 38mm Long Clamp
  • Screw-Knob Style Closure
  • Anti-Twist Tabs on the Bottom
  • 1/4"-20 Threaded Female Socket
  • Laser-Engraved Scale in 1mm Increments
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  • 1Description

The B2-FAB 38mm Screw-Knob Clamp from Really Right Stuff is an Arca-type compatible clamp with laser-engraved 1mm scales on each side of 38mm long jaws, so a camera can be aligned within the quick release.

The screw-knob style clamp has anti-twist tabs on the bottom, which fit into recessed channels of compatible rails or plates. Furthermore, plates and rails, without a recessed channel or an open area for the drop-in tabs will not sit flat against the bottom of the clamp. Additionally, a 1/4"-20 threaded female socket enables the clamp to attach to a monopod or tripod without a quick release, and the clamp is constructed using black anodized aluminum.

UPC: 818413023246
In the Box
Really Right Stuff B2-FAB 38mm Screw-Knob Clamp
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Material Aluminum
    Finish Black anodized
    Dimensions Jaw Length: 1.5" (38 mm)
    W x H: 2.9 x 0.7" (74 x 18 mm)
    Weight 2.4 oz (68 g)
    Packaging Info
    Package Weight 0.2 lb
    Box Dimensions (LxWxH) 4.2 x 3.5 x 0.8"
    B2-FAB 38mm Screw-Knob Clamp is rated 4.7 out of 5 by 3.
    Rated 5 out of 5 by from Simple, solid and reliable Purchased for use with a monopod. Since the stresses on the clamp are quite low in this setup, I feel comfortable using it with a range of heavier lenses (e.g Nikon 24-70 and 70-200.� Seamlessly mates to the RRS L-bracket (as expected) and is simple and fast to connect/disconnect. It is easier to use with one hand than the lever clamp system with a monopod since you you don't have to push against the clamp to lock it into place. Just a few quick turns of the knob and things are ready to go with no stress. Don't think I'd use it with a heavy camera/lens combo on a tripod. While RRS stuff is built very well, the surface area connection between this clamp and the L-bracket is considerably smaller than the 50 or 60mm clamps. All in all, a great piece of kit for a reasonable price.
    Date published: 2018-05-04
    Rated 4 out of 5 by from B2-FAB 38mm Screw-Knob Clamp Bought this because i was told it would fit the swarovski BR balance rail. for the most part, it almost fit. was short by about a millimeter when clamp was fully closed. basically i pulled it apart and cut about 1/16"+ off of main platform edge with my dewalt chopsaw, filed it off and voila! works like a charm. probably will not get much for it if i ever sell.
    Date published: 2017-12-27
    Rated 5 out of 5 by from I really is! Can’t go wrong with RRS.
    Date published: 2018-01-03
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