VarioFinder for R-Line Cameras

In the original sense of the whole ARCA SWISS R-Line is a very reduced viewfinder camera. So to speak, the high-end M.

As for this, but not integrated in the body, but as an optional goodies, there is the R-Line has a viewfinder.
2012, the viewfinder was once developed. Now you can the parallax not only vertically but also horizontally to make very simple.

What stands out first is the incredibly bright and very distortion-free image with the focus page.

With only a single detector of the focal length of 23 reports is - 210mm covered.
How does it work?
We first take a look at the viewfinder (Fig. 2).
We see 4 columns. The left column shows the different film formats and sensor sizes are indicated. Over the next three columns to the right you will find the focal lengths of lenses possible. In the first, the short focal lengths, in the 2nd the medium focal lengths, the right long focal lengths.
In the tables right next to the sensor format can be read off the indices of the viewfinder masks. There are not more than 3 (Fig. 3)
Now the thumb screw (Fig. 4) counterclockwise solved easily, now can the two rectangular tubes easily slide together or pull apart again. Once you have set the focal length (at the intersection of the rectangular tubes), the viewfinder again fixed with the screw on the right.
At the intersection of column focal length and sensor size of the table is the index number. Example: sensor size of 54x40mm, f = 40mm, we have the index 10
So let the viewfinder mask 10 attached to the front of the viewfinder. Looking now from the rear through the viewfinder, the metal mask for so long back and forth until you have all 4 corners even light points.
This is the setting for the 0 position of the camera. The architectural photographer moves the mask until now up until the image has the desired section. Now you can see (eg) a bottom edge of the viewfinder - or two hole-rich. Each row of holes is rotated, the focusing screen to 5mm in the opposite direction.
This applies both to the vertical, as well as for horizontal movement.

Do we need it?
Definitely yes.
What for?

Street photography
As I said, very originally, the Arca-Swiss R line-a "simple" camera viewfinder.

Since most people is clearly not safe, what kind of camera it is in an R-Line, they are more resolved and the photographer has the opportunity images in the style of Henri Cartier-Bresson to make.
The 50 or even 35 Asa, which can be adjusted at a Digiback do the rest in order to decelerate the photograph. Then translate the raw black and white, producing a beautiful fine art print.
Yummy!

Winter or other inclement
We want photographers (professional) or to shoot at the klirrensten temperatures. At minus 15 or minus 20 degrees, it sometimes takes a minute, until the fingers can not move properly. Replace with stiff fingers against the ground glass Digiback? The lights even the biggest fan of the ground glass a design that with an attached bakery and Focus Finder is a lot easier.

Search the perspective.
At the beginning of a session I am always the right prospects. This is the "solo" Finder is a very big help.

Scope of delivery:
Both Vario Finder masks, as well as the drum will be delivered suitable for and with the
Lenses.