CN2091468U - Projection, development device coordinating with camera - Google Patents

Abstract

The utility model discloses a device which is matched with a camera to finish projection and development. The utility model is characterized in that the utility model comprises a sealing plate, a light-transmitting barrel, a fixing barrel, a back cover and a bulb; the shape and the size of the sealing plate is same to the shape and the size of the back cover of the matched camera; the center part of the utility model is provided with the light-transmitting barrel; the light-transmitting barrel is connected with the fixing barrel by threads; a power supply socket, a switch plug and the bulb are arranged on the fixing barrel and are connected with the back cover by the threads. When the utility model is used, the back cover of the camera is taken off, a reversal film which is used for the projection and a negative film which is used for the development are installed on the camera, and the projection and the development can be finished by using the optical system and the control system of the camera. The utility model has the advantages that the small volume and the light weight are realized; the simple structure and the easy manufacture are realized; the utility model has the integrative function of photography, projection and development when the utility model is matched with the camera; the trick photograph or projection can be obtained; the projection of the dynamic picture and the continuous development of the entire roll can be realized, and the photography lovers like to use the utility model.

Description

Projection, development device coordinating with camera

The utility model belongs to photography, and it is that a kind of being used with camera can be finished photography, again the device that can finish projection and enlarge and print.

Present projection arrangement has two classes, one class is a projector, it utilizes high light to see through large-scale transparency, light is owing to the effect of condenser under the transparency, and polymerization is also passed through imaging lens, changes optical path direction by level crossing, on screen, reappear image, this projector volume is big, and unfavorable carrying is suitable for using at fixed-site.Another kind of is to utilize the lantern slide of the reversal film of various pictures being made monolithic, light sees through lantern slide, imaging lens, reappears image, though this class device can realize manually changing at a distance sheet and focusing, but because the paper frame of the lantern slide of making is yielding, the jammed fault of slice, thin piece often appears.Above-mentioned two class devices all can only obtain still frame, and transparency is difficult for self-control.Enlarging print device also has two kinds, and a kind of is the system of automatically enlarging and print that amplification, development, photographic fixing, oven dry are finished continuously, and this equipment price is too high, the unable purchase of general shutterbugs.Another kind is common enlarger, generally adopts the milky big bulb, has only the aperture adjustment, does not have shutter, the manual control exposure time, make the photographic quality poor stability that washes out, and the printing paper waste is bigger.The device of can integrate photography, projection in addition, enlarging and print does not still have, and all is the single machine and single function energy.

The purpose of this utility model provides the device that a kind of and camera are used, and this apparatus structure is simple, and is easy to use, and cost is low, cooperates camera, utilizes its optical system and control system to finish projection and enlarge and print, and addresses the above problem.

Utility model be achieved in that integral body mainly by seal pad, logical light cylinder, stationary cylinder, bonnet and bulb form, seal pad shape, size with the bonnet of the camera that cooperated, design seal pad pin shaft hole and seal pad keyhole on the seal pad, when being used with camera, take off the camera bonnet, utilize the seal pad pin shaft hole that seal pad is fixed on the camera, identical with the bonnet present position.Central part has logical light cylinder, is threaded with stationary cylinder, and charged supply socket and bulb on the stationary cylinder, and be threaded with bonnet, two lines of an on-off plug pass bonnet and are connected with the lamp socket of supply socket and bulb respectively.The stationary cylinder inside surface has one section to be parabolic, to install with the shape bulb, between bulb front portion, stationary cylinder and the logical light cylinder a circular insulated glazing unit is arranged.Light source, egative film or reversal film, lens (camera lens) can be formed an imaging system like this, thereby finish projection and enlarge and print.

Be described in detail the utility model below in conjunction with accompanying drawing.

Fig. 1 is the longitudinal sectional drawing (synoptic diagram) of a kind of concrete structure of utility model.

Fig. 2 is the seal pad schematic perspective view.

The whole plastic production of using, the shape of seal pad 11, size is with the bonnet of the camera that is used, on seal pad pin shaft hole 20 and seal pad keyhole 21 are arranged, also with pin shaft hole on the camera bonnet and keyhole, the function of seal pad 11 has two, the one, play bonnet, the one, play a part to connect, there is logical light cylinder 12 at the position in the central, and both can be made of one, and is once injection molded, logical light cylinder 12 has inner via hole, light is passed through, and egative film or reversal film in the irradiation camera box have one section to make screw thread on inner via hole, in order to be connected and fixed cylinder 13, stationary cylinder 13 has one section to be parabolic, and supply socket 14 and bulb 18 are set on it, and supply socket 14 connects external power supply, two lines of on-off plug 16, pass circular bonnet 17 and be connected with the lamp socket of supply socket 14 with bulb 18 respectively, on-off plug 16 inserts camera FP jack during use, and bulb 18 is the paraboloidal bulb.Between stationary cylinder 13 and logical light cylinder 12, place a circular insulated glazing unit 19, block the light source liberated heat, protection egative film or reversal film, the circular bonnet 17 of screwing in stationary cylinder 13 ends has supply hub 15 on it.

During use, take off the camera bonnet, seal pad 11 is contained in the position identical with the camera bonnet, be fixed on the camera by seal pad pin shaft hole 20, with with the identical method of dress ordinary film with projection with reversal film or enlarge and print put into camera box with egative film after, cover seal pad 11, pin with the sliding bolt on the camera, then attaching plug is inserted supply socket 14 by jack 15, on-off plug 16 inserts camera FP flashlamp jack, bulb 18 is lighted with shutter opened synchronously, whole device just is connected as a single entity with camera, and is stand-by.

When being used for projection, dress projection reversal film in the camera box, to totally be fixed on the tripod, the alignment lens screen is transferred to the B position with shutter speed, rotate the roll film wrench, tighten shutter, pin shutter, image can occur on the screen with hand, when camera lens was identical with upward indication distance of focusing ring with screen distance, image was the most clear.If image is too bright, level is few, and adjustable diaphragm adjusting ring and depth of field circle are to visual optimum.If it is visual less that 38～56 millimeters camera lenses of use focal distance f obtain, then need use the above camera lens of f75 millimeter instead, or use the contraction leather bag instead.If use zoom lens, need not move this device, can adjust image size arbitrarily, all obtain image clearly.The color filter of corresponding bore is installed on camera lens, can be changed the figure viewed from behind color of picture.If use two this devices, on camera lens, load onto polaroid, with putting the reversal film that takes from two different angles, can observe stereoscopic image by polarising glass.If many shadows prism is installed on camera lens, many shadows effect can appear in image.Adorn soft focus lens on camera lens, the radiation striped appears in can become soft or central sharp edge of image.Change sheet and can pass through film-wind tap, every last shutter changes a slice simultaneously.If reset a certain picture, then need press the reversing button, take out rewind crank, the rewind knob that turns clockwise is until forwarding the picture that will reset to.Cable release is installed on the shutter can realizes the far distance controlled shutter.If the equipped film roller of phase function is connected film roller with film winder, then can realize rewinding, utilize the continuous shoot function button on the film roller, can obtain motion picture.

When enlarging and print, the egative film that needs are enlarged and print is packed in the camera box, buckles seal pad 11, places on the tripod, the camera lens level is downward, aim at the flat board of placing enlarging paper, on flat board, place a center and draw graticulated blank sheet of paper, observe waist-level finder (or looking squarely view finder), two semicircle wedge mirrors seen in the view finder are aimed at the horizontal line or the ordinate of the cross curve on the blank sheet of paper, rotate focusing ring, the straight line that in seeing two semicircles, divides shift near in alignment till, this moment, focusing finished.If the photo size that amplifies is less, can't accurately focus with 56 millimeters camera lenses, then can use the camera lens of f38, f40 instead or before camera lens, install close-up additional, also can use the contraction leather bag instead.If use zoom lens, can not change the position of this device, can make the accurately focusing of image of various sizes, saved the trouble that changes the camera high and low position.Under safety lamp, take out test printing paper, lie against on the flat board, fix with spring leaf, aperture is transferred to F2, shutter speed transfers to 1/4,1/2 respectively, 1S, 2S, 4S, press rewind button, tighten shutter, respectively with above speed exposure, be put in the developer solution then and develop with the printing paper of several same model, observe contrast, the level of photograph, find out this egative film optimum exposure.If the exposure of selecting is bigger than normal slightly, and low one grade exposure is less than normal, then can reduce frequency modulated light circle under the condition of this speed of use.Printing paper horizontal fixed that will be identical with up-sizing places right position to put in printing paper by view finder on flat board.Press the shutter of selected velocity, can make the printing paper correct exposure.Realized the machinery control automatically of exposure.If magnify color pictures, need before camera lens, to install additional three look color correction sheets.To the mensuration respectively of red, green, blue tricolor exposing amount, identical with the method for surveying a black egative film exposure, find out the suitable tricolor exposing amount of this color negative film, with the exposure of selecting colour paper is exposed with three coloured light respectively, can make the printing paper exposure accurately.If camera has the control of mechanical exposure and interior photometry index and exposure lock is arranged, then can realize the automatic control of exposure.

Utility model You point:

1, Yu camera connected mode is simple, does not change the camera internal structure, does not affect the camera shooting function. But You camera manufacturer Yu camera form a complete production network.

2, can integrate photography, projection, enlarge and print, simple in structure, Zao processed is easy, greatly reduces cost.

3, change throw in monolithic as the whole volume of continuous input reversal film into, not only avoided throwing in the fault of the card of monolithic slide projector, and can realize the input of moving frame.

4, this device makes the price of the equipment of throwing in reversal film be reduced to the average level of consumption of common people, makes shutterbugs not only can obtain the higher photochrome of quality, and a reversal film of taking is directly used in this device shows at home.

5, the colour reversal film of rolling both had been suitable for suitability for industrialized production, was suitable for self-control again.

6, utilize zoom lens and can arbitrarily change image size and realize the stunt projection with supporting multi-picture mirror, soft-focus attachment, the color filter of camera.

7, the Machinery Control System of camera can be used for the exposure control in the process of enlarging and print.

8, utilize the enlarged color photograph special light source to make this device be more suitable for enlarged color photograph.

9, directly utilize multi-picture mirror, soft-focus attachment, color filter with the common egative film stunt photo of can enlarging and print out, this camera lens is installed when not needing to photograph.

10, utilize can the enlarge and print photo of virtually any size of zoom lens, need not change the position of enlarging print device.

11, can in view finder, observe directly the position of printing paper, avoid printing paper to put partially, put tiltedly.

12, realized that whole volume enlarges and print continuously, accelerated speed, improved efficient.

13, volume is little, in light weight, can carry, and is suitable for various places and uses.

Claims (3)

1, cooperates the device of finishing projection, enlarging and print with camera, it is characterized in that mainly forming by seal pad 11, logical light cylinder 12, stationary cylinder 13, bonnet 17 and bulb 18, the bonnet of the camera that seal pad 11 shapes, size are used together, central part has logical light cylinder 12, be threaded with stationary cylinder 13, charged supply socket 14 and bulb 18 on the stationary cylinder 13, and be threaded in bonnet 17, two lines of on-off plug 16 pass bonnet 17 and are connected with the lamp socket of supply socket 14 with bulb 18 respectively.

2, projection according to claim 1, enlarging print device is characterized in that seal pad pin shaft hole 20 and seal pad keyhole 21 are arranged on the seal pad 11.

3, projection according to claim 1, enlarging print device is characterized in that between logical light cylinder 12 and stationary cylinder 13 circular insulated glazing unit 19 being arranged.