3D world 6x13 stereo camera

A high quality stereo camera to fulfill the gap of Rolleidoscop and Sputnik cameras 2.8/80mm lens

 

 

 

 

 

 

 

Made by: Hangzhou 3D World Photographic Equipment Co. Ltd., China

 

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Delivery is approximately 3 weeks.
Contents of Camera Outfit:
The new re-engineered TL120 -1 Medium Format Camera, plus the new snap-on three lens sun shade, a newly re-designed mounting jig; a silver 3D World 2Q hand held Viewer, slide album, and a sample mount box, containing: 10- 3D World 140mm plastic mounts with 52x52mm windows; plus sample slides.






For more information on the newly, re-designed mounting jig which is included in the Camera Outfit and is also available separately, see MJ-TL120.


Specifications:

Camera Type: Medium Format Tri-lens Stereo Camera (Reflex Viewing Lens)
Lenses:   Anti-reflection coated glass optics, seven elements in six groups. f/2.8, 80mm focal length
Lens Separation:   63.5mm
Focusing:    manual adjustment, 0.8 m – infinity
Shutter Type: metal focal plane shutter
Aperture: F2.8, 4, 5.6, 8, 11, 16, 22 and six half stops
Shutter Speeds:   B, 1,1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500Sec.

Light Metering: consists of two of SPD’s (silicon photo diodes) for light measurement; aperture and shutter speeds are matched according to the LED display.
Viewfinder: consists of a viewfinder hood and lens, Eye-level pentaprism type with .0.7 X magnification
Focusing Screen: Split-image microprism type surrounded by a Fresnel screen. 3 LEDs in 5 exposure graduations display overexposure (+), correct exposure (O) & underexposure (-)

Flash Synchronization:   X-contact only, sync speed 1/30 sec. or slower
Film Advance:   Lever provided; 16° standoff angle and 128° winding angle, aligning film numbers through window on camera back
Film:   One roll of 120 reversal film for a pair of 58mm x 56mm stereo images. 6 pairs per roll.
Dimensions:  Approx. 207mm x 205mm x 134mm (8.15″ x 8.07″ x 5.28”), camera body only
Weight: 1960g or 69oz (camera body only)

Warranty:
 Each camera comes complete with a One Year - Manufacturer's Warranty. The Warranty and Repair Facility is at the factory in China.  By keeping the Warranty and Repair Facility at the factory, and not opening facilities in North America and Europe - the camera is able to be priced hundreds of dollars less than what would have been necessary.

 

 

 

3D120-1

 

 

 

 

The camera we got to see in Portland was  a non-functional prototype.  It contained lenses, shutter and aperture controls, but little else.  Jacob and Alan were soliciting opinions regarding their unfinished product.  As shown, the camera featured:

  • Two 75mm f/4.5 lenses
  • Aperture control on one lens barrel, shutter control on the other
  • Tunnel viewfinder
  • Threaded shutter release
  • Thumb lever advance and shutter cock
  • Red window on the back (it is unclear if the film advance will be automatic or by red window)
  • Focus knob at lower right
  • Flash shoe (it is unclear if the shoe will be hot or cold)

 

 

 

Shanghai Camera Factory

 

 

Seagull 4A-103 by alf sigaro 

 

Guang Dong Camera Factory

 

 

 

Beijing Camera Factory

GREAT WALL DF-2 ( 长城 DF-2 CHANG CHENG)

Made by the Beijing Camera Factory.  The Great Wall DF-2 was a basic SLR camera whose design was based on the 1930s KW Pilot-Reflex. It was intended to be an inexpensive but slightly advanced camera for the common masses.  It is constructed of steel and has a very basic mechanism.

The Shutter is a basic rotary guillotine type- the reflex mirror is part of it.  Non-instant return, with four basic speeds (1/30, 1/60, 1/125, 1/200) and “B”.   No flash synch.  The shutter has to be tensed by winding the shutter dial before each exposure. 

Film Advance is by knob wind.  The frames are positioned by lining up the printed numbers on the film backing paper in the red window behind the camera.  Two formats possible:  12 exposures 6X6 cm or 16 exposures 6X4,5 cm.  The latter requires the use of an adapter mask (missing from this camera).  No double exposure or blank exposure prevention.

The lens is a 90mm Tessar type (real four element/ three group, against the common Triplet types prevalent in Chinese cameras).  Front-cell focusing, from 1 metre to infinity.   The lens is removable, but there appears to be no extra lenses made for the Great Wall.  The mount is standard Leica Thread M39.  This was perhaps done as a means to allow the lens to be used in the enlarger for printing.

Viewing and focusing is done through the hooded screen on top. 

 

 

 

 

It's based (as I'm sure you've surmised) on an ASA of 100 and a shutter speed of 1/125. The first column on the left lists the seasons: Summer (夏), Spring/Fall (春秋), and Winter (冬). The next column you can ignore. The final four column headings are weather types: Clear (晴天), Thin Clouds (薄云), Partly Cloudy (半阴), and Cloudy (阴天), with suggested f-stops listed under each.

 

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