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photography - camera projector for classroom

photography  -  camera projector for classroom

Jacob deshanot
1970 this is a digital version of an article from The Times Print Archive, before it starts online in 1996.
To keep these articles as they appear initially, the Times will not change, edit, or update them.
There are occasional copywriting errors or other problems during the digitization process.
Please send a report of such issues to archid_feedback @ nytimes. com.
Cologne automation once again became a buzzword during the product, pictures and film exhibition held here in October.
This is a nine-day event that reflects the world's technological progress and the art of photography.
While significant advances in key innovations and product design introduced in the past few years seem to have slowed, there are signs that the industry is addressing certain proven trends.
One of the most striking is the first fully automatic information in the 35mm Konica Autoreflex T camera --
The pilot model was displayed mainly by several Japanese manufacturers at the exhibition.
Zeiss-ikon shows their new 5310 camera in the ul tra-compact class, the camera has become more and more since the launch of the pock et-sized Rollei 35 years ago
Built around the new Prontor 1/500 S electronic shut-off that provides automatic exposure speed from 500 seconds to 8 seconds, the camera is small in size and f/2 is 40mm. 8 lens.
It focuses on distance.
The much-anticipated volume eiflex SL 35 single-lens 35mm camera was quite calm when it debuted.
Mainly traditional in design, it has a pleasant feel and look, but it lacks novelty.
Press a convenient black button at the top to activate the exposure mechanism, and then set up the Expo by turning the shutter ring or the aper ture knob.
The camera has a standard 50mrh F/1.
8 lenses and provide other lenses from 18mm to 400mm.
Screw mounting lenses from other manufacturers also have adapters.
A good touch is a set of three small rubber tips at the bottom, used to level the camera when it is placed on a flat surface.
Advertising trends of 6x7 cm (
2 1/4 x23/4 inch)
With the launch of Mami ya RB67, some cameras (such as koni-omega 6x7) have added "ideal format" to the show ", "The world's first rotating camera in 6x7 format "(
For horizontal or vertical pictures that do not move the camera).
This is a single lens reflection design with a bellows extension for close-up, full-stroboscope and flash sync to 1/400 seconds, as well as a range of lenses and optional lenses.
The other two 6x7 for mat of Minolta and Yashica are in the pre-production phase and there are indications that this category may expand further.
Model P500 AV of Sound mechanism shown by AdvertisementA new slide with built‐in zeis‐ikon (audio visual)machine.
Items or cassette tape recorders, speakers and controllers are packed in a portable unit that can be set up anywhere and can be started by simply plugging the projector power cord into the nearest power outlet.
This unit is a leader in the category of projects serving the increasingly active audiovisual field.
Another interesting development is the Liesegang endless projector, which is used to continuously screen multiple slides in a traditional linear sliding carrier that can automatically move back and forward as needed.
It can be used with the recorder for sound sliding sync.
Liesegang also has a new Periscope (opaque)
Projector for illuminating and screening any material up to 2 inch in thickness and up to 12x12 inch in size.
Designed for classroom and training use, the projector is equipped with two halogen lamps, which will accommodate the choice of four lenses for projection at various distances on the screen.
Braim's paxope ope 650 is a similar but less humid, more compact episoft projector that is used primarily for home use.
It is shown as a home entertainment medium for projecting color snapshots, similar to how the color slide machine is used.
Linhof entered the enlarg er field by introducing its new 4x5 Linhof professional Enlarger, a multi-purpose machine that can be used for micro-macro photography, copying and direct amplification, negatives from 4x5 to 35mm.
The Linhof unit is similar in appearance to the feature of Durst professional en, which has a lens standard that allows correction of distortion, lateral offset to obtain the flexibility of negative projection, and a free negative holder.
Move and mask in any direction to accommodate various negative dimensions.
The same company also showed a 4x5 Linhof film stand for their 4x5.
The camera when shooting a fast sequence from the plane.
It uses a standard non-perforated roll film 5 inch wide and 50 feet long, which will constitute 150 exposures.
The film remains precisely flat through the built-in vacuum plate, and the suction pump runs through the circuit of the aircraft.
It can be adapted to the use of the studio and he can be supplied with movies by leading manufacturers for loading in darkroom.
Another trend is a variety of low-cost so-called hybrid electronic flash devices powered by ordinary dual-light flashlight batteries.
They automatically adjust the light output according to the distance from the flash to the subject at each shot.
A novelty of the staff of the advertising darkroom is the thermal control printing development tray of Erich Kai ser, which maintains the working solution at a fixed temperature, with positive and negative changes of half degrees.
The tray is placed in a deep compartment and the solution is stored in a airtight plastic bag.
As needed, the lever is used to pump the working solution of the required volume from the bag into the tray.
At the end of the development process, the liquid is restored to the bag by turning the lever in reverse.
The filter keeps the solution away from dirt.
Kaiser is also equipped with portable battery-powered lighting for amateur indoor films, which can provide 400-watt il lumination for a total of 10 minutes, or for 3 5 minutes.
It can be charged within 12 hours after use.
Two automatic projectors with 8x11mm Minox negatives are displayed, one with autofocus.
Both have dual condenser lenses for f/2.
7 projection lens and remote control wire up to 10 feet distance.
The autofocus function, already familiar in many American projects, or;
The Agfacolor 250 and 250AV and the Rollei P 35 projectors are now available, among other things.
This year's Pho tokina covers more than 1 million square feet and is the largest trade and photo exhibition in 20 years (
Established in 1950).
More than 700 companies from 24 countries attended the meeting, with Germany accounting for less than half of the total for the first time.
In terms of numbers, the representative of the foreign is led by the UK, followed by France, the United States and Japan.
From the first two days of the show, the crowded aisles proved the public's great interest in amateur and professional photography and the activities of the third day, when only dealers were allowed to participate, without doubt, this year's attendance will record events once a year or two.
A version of the file was printed on page D27, New York edition, on October 18, 1970, with the title: photography.

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