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The Bilora Blitz Box D camera was manufactured by the Kurbi & Niggeloh Company of Radevormwald/RHLD, Germany. This camera is capable of capturing 6 X 9 cm exposures on no. 120 roll film. It is made of metal with imitation leather coverings which are embossed with a fine chevron pattern. It's name, 'Blitz', indicates that it features a synchronized flash.
It has a variable focus lens ranging from 6ft to infinity. There are two aperture settings of f/11 and f/16. It has a simple time and instantaneous shutter. Framing is accomplished using a reverse telescopic viewfinder. Flash connection is via two teminals on the top of the camera. A cable release socket can be found on the front of the shutter release button. Film advance is by red window which has a sliding metal cover. It has two tripod sockets. The camera is opened by pressing on two small chrome buttons on either side.
HOW TO USE
This camera takes 120 film which is easily available from photographic outlets.
As the shutter speed is only 1/30s, it is advisable to use a tripod to get clear shake free images. However, holding it against a wall or other solid object would work as well. For quick snapshots, hold it firmly against your body.
If you don't want to bother with an exposure meter, follow the guide shown. It is based on the 'Sunny 16' rule. Film is so forgiving and will produce acceptable results even when overexposed by 2 or 3 stops or underexposed by 1 stop.
The tables assume that the sun is at least 30 degrees above the horizon - that's 10am - 5pm on a summers day (May - August) in the UK.
Remember that the exposure guide in the manual may not be helpful as it is based on the use of old film with a low ISO value.
Using ISO 100/125 film - shutter speed 1/30s
| Weather Conditions | Shadow Detail | Aperture | Exposure |
|---|---|---|---|
 SunnySnow/Sand |
Dark with sharp edges |
f/16 | +3 Stops Overexposed Acceptable |
| Sunny |
Distinct | f/16 | +2 Stops Overexposed Acceptable |
 Slight Overcast |
Soft around edges | f/16 | +1 Stop Overexposed Acceptable |
 Overcast |
Barely visible | f/16 | Good |
 Heavy Overcast |
None | f/11 | Good |
 Open Shade/Sunset |
None | f/11 | -1 Stop Underexposed Acceptable |
Fuente : http://www.artdecocameras.com/cameras/bi...
Colección : Box