The bellows are shot, but there is enough left to use as a pattern for the bellows maker. Best to consider it a basic rail with no possibility of adding extension or end caps. I do not know if the coupler works with the Kardan Color 45s extension rail. So the coupler is useless for use with the Bi. The coupler has the correct diameter, but does not have the correct pitch to mate with the Bi extension rail. The standards move easily along the rail. Linhof Bi or Kardan Color 45s basic rail, 320mm overall length-not including the end coupler, slighly less than 34mm diameter. $250 with the above Bi camera, $300 separately. Uncommonly available in any condition and rare in this Mint condition.
![linhof technika iv tripod thread stripped linhof technika iv tripod thread stripped](https://www.samys.com/images/product/main/S-062493x2000.jpg)
A through threaded rod is attached to the Linhof labeled revolving black end cap. Linhof Bi or Kardan Color 45s extension rail, 335mm overall length, slighly less than 34mm diameter. The plain ground glass has a small crosshair or "+" in the middle. 3 of the bubble levels are no good one bubble level is like new. The fold out leather in the fold-up focusing hood (which is almost always deteriorated) has been replaced with extremely strong, light tight bellows material. Available with camera are extension rails, bag bellows and lensboards listed below. Also note that the bellows are longer than the rail, and with the Bi-axial tilt you may take advantage of those longer bellows. Look closely at the bellows and you will see that there are 3 interior strips, or stiffeners, along each edge of each fold-which provides greater flexibility. It also has the original vintage leather bellows in great condition no bellows are superior to these. This is better than most Bi's because it has chrome knobs instead of painted knobs-that the paint is always worn off of. The Linhof Bi-axial camera has base tilts and axis tilts. The Norma has only base tilts.and not everyone is in love with base tilts. 4X5 Linhof Bi: The Bi camera had to be a great camera because it was designed to compete with the Sinar Norma.