Kirk FR-2 Focusing Rail with Neoprene Pouch

Kirk FR-2 Focusing Rail with Neoprene Pouch

Kirk FR-2 Focusing Rail with Neoprene Pouch

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Product Highlights

  • Precise Camera-to-Subject Focusing
  • Adjustment Range: 4.25"
  • Stage Travel Per Revolution: 0.042"
  • Knob-Controlled Fine Adjustments
  • Release Lever for Large Adjustments
  • 360°-Rotating QR Mount
  • Arca-Type Dovetail on Base of Rail
  • Compatible with Arca-Type Camera Plates
  • CNC-Machined in the USA
  • Custom Made Optech Neoprene Pouch
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Kirk FR-2 overview

  • 1Description

The Kirk FR-2 Focusing Rail is a precise focusing stage designed to permit fine tuning of camera-to-subject positioning in order to achieve exacting focus. The rail is driven by a 4.25" stainless steel lead screw, with a pitch of 5/16"-24, that enables critical positioning at a rate of 0.042" per revolution. Fine focusing is controlled by one of two knobs located at the ends of the rail or, for larger adjustments, a stage release lever permits faster, less restricted movement.

Mounted atop the focusing rail is a 2.5" quick release mount, which can rotate up to 360° in 90° intervals. This mount accepts Arca-style quick release plates for easily attaching both cameras and collared lenses. Extending the entire base of the focusing rail is an Arca-style dovetail with three 1/4"-20 mounts. A custom made Optech neoprene storage pouch provides added protection to your focusing rail when transported to your location or when not in use.

All parts of the rail are CNC-machined from 6061-T6 aluminum alloy and stainless steel.

In the Box
Kirk FR-2 Focusing Rail with Neoprene Pouch
  • Hex Key
  • Optech Neoprene Storage Pouch
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Kirk FR-2 specs

    Adjustment Range 4.25" / 10.8 cm
    Stage Travel Per Revolution 0.042" / 1.067 mm
    Thread Pitch 5/16"-24
    Construction Material 6061-T6 aluminum alloy and stainless steel
    Dimensions 8.62 x 2.5 x 2.25" / 21.9 x 6.35 x 5.72 cm
    Weight 22 oz / 623.7 g
    Packaging Info
    Package Weight 2.05 lb
    Box Dimensions (LxWxH) 11.25 x 5.9 x 5.2"

    Kirk FR-2 reviews

    FR-2 Focusing Rail with Neoprene Pouch is rated 4.7 out of 5 by 11.
    Rated 5 out of 5 by from Great rail Already have big, clumsy, $35 cheapo focusing rail and wanted quality rail that was easier to take on-location. Considered some less expensive models before deciding on the Kirk Fr-2 and have no regrets that I did. This rail mounts nicely onto my Manfrotto Q6 Arca style ballhead and the camera mounts onto the rail via the Q6 tripod plate, allowing quick mounting and unmounting of the camera for handheld shots. The rail does not allow the camera to creep downhill when on an incline like the cheap rail does. No lateral adjustment, but keeps the unit lighter and more compact. High quality design, materials, and workmanship, neoprene pouch completes the package. A joy to use!
    Date published: 2018-05-20
    Rated 4 out of 5 by from Very well made focus rail. I use it on the top of my tripod for close up photography to get the last bit of composition and focus the best I can. Tip: buy a 3/4 rubber crutch tip from a drug store and it is an easy force fit over the knob at the end to make adjustments easier and smoother. The bonus of the Kirk unit is that it come complete with the Arca-Swiss compatible hardware I already use. I'm thinking about adding some sort of motor drive for easier adjustment. I find that 9 turns of the knob gives about 1 cm. of travel.
    Date published: 2016-10-28
    Rated 5 out of 5 by from Just perfect This is a top notch product that works as advertised. Fit and finish are superb.
    Date published: 2016-03-22
    Rated 5 out of 5 by from This product was as expected This product was as expected. It allows very fine focus at the minimum focal distance of your macro lens. Set lens to manual at the minimum focal distance then mechanically adjust to accurate final focus. It does require a tripod and does still require manual centering of subject. The range of travel is 6 so that makes the device rather large. The quality is excellent with both coarse and fine adjustment. It is however useful for static subjects, as bugs move, focus and location are lost quickly. This product is recommended as another tool in the macro toolbag.
    Date published: 2017-06-30
    Rated 5 out of 5 by from Great Product Whether you Focus Stack or just like close up photography, this is the one MUCH HAVE product for you. I've been a photographer for 20 years now and decided to work on Macro photography lately, I found that this product is extremely helpful in the pursuit. Its way more solid (strong) than I expected and moves silky smooth. I highly recommend it . If your new to Focus Stacking, check out as many video tutorials as you can.
    Date published: 2018-05-08
    Rated 5 out of 5 by from Worth the weight I tend to use extension tubes and/or a close-up lens for most of my close-up photography. One of the downsides to that, compared to using a dedicated macro lens, is the limited range between maximum and minimum focal distance. I can't tell you how many times I've had the subject framed just as I want it, but then realize that that I'm at either the near or far focusing limit for my set up. This usually means I have to move the tripod, and that adds a lot of time to getting the shot. The focus rail adds a considerable amount of range to fine tune the focus without moving the tripod. It also allows you to easily and precisely make subtle changes to the focal point for creative reasons or for focus stacking. It's a bit of a beast to add to your bag when in the field, but worth the weight in my opinion.
    Date published: 2017-06-01
    Rated 5 out of 5 by from It's Everything I Could Ask For! I bought the FR-2 to adapt to a copy stand, to photograph 4x5 negatives with a Pentax 645Z and 120mm Macro lens. �I am using a Really Right Stuff base plate on the camera which mates with the FR-2's clamp perfectly. �The first thing one feels is the solidity, there is nothing flimsy whatever. �The "drive shaft" (lead screw) turns smoothly and precisely. �I have felt no binding or unusual drag when the camera's weight is bearing on the rails. �Kirk Enterprises states: "Super fine camera to subject focusing is achieved by the .042 [inches] per revolution stainless steel lead screw. The lead screw adjustment range is 4.250 in with a lead screw pitch of 5/16 in x 24."�On the bottom of the FR-2 are three 1/4 - 20 threaded holes. �This is critical should a permanent installation alignment be important. �Alternatively for tripod use, the bottom of the rail is configured with flanges that fit a quick release clamp. For gross adjustments, a "stage release" button disengages the drive shaft allowing for a smooth position shift anywhere along the 4 1/4 inch rail. �Releasing the button reengages the drive shaft. �Finally the clamp can be rotated in 90 degree intervals using a conveniently imbedded allen wrench. �Kirk also makes other less expensive rails. �My caution would be to carefully consider your choice. �If you have a pano rail already, the LRP-1, a light weight option for field use, would be a duplication. The SRS-7, a more complex rail, does not have the fine reposition drive shaft. With a bit of additional weight, you get everything with the FR-2. �I have not tried other rails but see no need to even begin a comparison. �However, due to the product being out of stock, my order took weeks if not months to fill, but the wait was worth it. �One last point, quality control; I could not find one scratch, nick, loose anything that would indicate any compromise to quality. �"Impeccable" is the one word that I would use to describe the FR-2.
    Date published: 2018-03-25
    Rated 5 out of 5 by from SUPERB FOCUSING RAIL The Kirk FR2 focusing rail is very well build and a pleasure to use. Crucially, the rail is structurally sound and is Arca-Swiss compatible. Auto-Aligning images taken with this slide works extremely well due to the precise movement of the rail, the ultimate proof of the rail's performance. The quick release to make a coarse adjustment is a real time saver.
    Date published: 2017-09-01
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