After the new New 50 mm Linear Motion Lead Screw Macro Rails in May, here comes the MS5_8 an 8" focusing stage which can be declared as a direct upgrade of the original MS-3_8 Linear Motion Macro Focusing Stage (review) using the same lead screw concept but utilizing the sliding bars found on the latest Hejnar micro adjusted models.
Since the MS5_8 features the same lead screw as the MS3_8, it offers 1.06 mm travel (0.0417") per one rotation of the knob(s) with a maximum travel distance of 3.5 inch (89 mm).
However, the similarities with the MS3_8 stop here as we shall see further. The MS3_8 by the way, will remain in production as a more economic alternative.
The Rail structure
|Rail Length:||203 mm (8")|
|Overall length:||267 mm (10.5")|
|Width:||95,25 mm (3.75")|
|Height (Thickness):||45,72 mm (1.8") w/o QR clamp|
61.6 mm (2.425") with F63b QR clamp
|Weight:||1000 gr (2.3 lbs)|
|Materials:||Precision C.N.C. machined 6061-T6 Aluminium,|
Black hard coat anodized, Stainless Steel and
Self Aligning Linear Sleeve Bearings (slider).
The outer shell is aluminum with a 0.002" thick ceramic coating for added corrosion resistance and endurance at a temperature range of –400° F to +375° F (-240° C to +190° C ).
|Fast positioning of the slider is also provided, effected by just pressing the brass slider release lever shown above, below the carriage.|
|The MS5_8 features Self Aligning Linear Sleeve Bearings. Having a nonabrasive, chemical-resistant PTFE liner they don't require any additional lubrication, consisting them virtually maintenance free.|
The F63b Quick Release Clamp
|Jaw Length:||3.25" (82 mm)|
|Weight:||135 gr (4.7 oz)|
|Countersunk/threaded holes:||Three (1 x 3/8"-16 center hole and|
2 x 1/4"-20 outside 45 mm apart)
|Safety Stop Relief Grooves:||Two|
|Long Captive Screw Knob:||Stops at maximum opening|
|Material:||Precision C.N.C. machined 6061-T6 Aluminium|
|Color:||Black hard coat anodized|
|Made in :||USA|
As all Hejnar QR clamps, the F63b is compatible with virtually any Arca style Quick Release plate. Being an add-on unit, it can be dismounted and mounted on a ball head or other equipment at will.
The Arca Dovetail
Nevertheless, when the MS5_8 Linear Motion lead screw adjusting macro rail is mounted on a Tripod Head equipped with an Arca-Swiss® compatible clamp, the camera to subject distance can be roughly adjusted by moving the whole stage within the clamp limits via its bottom Rail and further engage in extra-fine adjustments using the lead screw knobs.
|M3 safety stop screws are found at both ends of the bottom rail not allowing the large stage to fall off from a loosely tightened quick release clamp.|
According to the manufacturer, the MS5_8 rails operate in vertical orientation (perpendicular to the ground) with a load up to 10 lb (4,53 kg), while in horizontal orientation (parallel to the ground) the load can be increased up to 15 lb (6,80 kg).
Stnadard Hejnar choice of materials, manufacturing quality, fine adjustment and last but not least, Arca Swiss® compatibility bring this Linear Focusing stage to the top choices.
Arca-Swiss® compatible dovetails from Hejnar Photo work with Arca type clamps from:
- Markins® including lever release clamp
- Really Right Stuff®, including lever release clamp.
- Arca Swiss®
- Photo Clam®
- Foba® (Foba uses different safety stop mechanism, so safety stops may need removing)
- Vanguard ABH Series Ball Heads (ABH is Vangaurds only Arca-Compatible series)
- Custom Brackets®
- Jobu Design®
Innovative Linear Motion MS5 DS4 Macro Rail with Digital Scale from Hejnar PHOTO Preview
Announced and released for preorder,
I hope you found the article useful, thank you for viewing.
All Photos used by permission: © 2015 Chris Hejnar / Hejnar PHOTO
Price & Availability:
Current price for the MS5_8 Lead Screw Macro rail is US$ 425.00 (+Shipping where applicable) and is available for preorders from the Hejnar Photo online Store.
If you are interested in the product, do check the Recommended Sellers page for the current valid Hejnar Photo discount coupon before placing your order.
Hejnar PHOTO MS5P 8" Linear Motion Lead Screw Macro Rail Preview
The Slider release mechanism was updated resulting in a lower more affordable price.
Two New 50 mm Linear Motion Lead Screw Macro Rails from Hejnar PHOTO
New Hejnar PHOTO Linear Motion Micrometer Macro / Micro Rail
New 50mm Linear Motion Micrometer Macro / Micro Rail from Hejnar PHOTO
Hejnar PHOTO MS-3_8 Linear Motion Macro Focusing Stage Review