Bellows extension Exposure compensation calculator based on bellows extension. 3. Conversion 35 mm Conversion focal length of the medium and all famous large format cameras lenses into the 35 mm format. 4. Calculator of developer Calculator of developer and water proportions for High concentrate film developers such as pyro. 5. Reciprocity Calculation of exposure, taking into account the influence of the Schwarzschild effect. 6. Negative camera Camera for viewing black and white and color negatives in real time. 7. Viewfinder For film shoots, especially large format. Now you can evaluate a possible frame without taking out the your camera, determine which lens is more suitable for a given scene, see the frame in black and white and in color. All major film formats are available, the non-film part of the screen can be made hidden, and of course, you can take a photo that will be saved in the gallery. One can zoom using fingers, on devices with several cameras, switching occurs automatically. Focal lengths are switched by tapping on the current focal length indicator (upper right corner), formats - by tapping on the format indicator in the upper left corner of the screen.
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