CN2147551Y - Camera lens for credentials - Google Patents

Abstract

The utility model relates to a camera lens for one-inched or two-inched credentials shot by a 135 camera. The characteristics of the model are an objective lens is four groups or eight groups. An optical fence is in front of the objective lens. The optical fence is equipped with four or eight framing windows corresponding to the objective lens. After taking a picture is conducted, there are four or eight same image formations on a piece of negative film. Four pieces of two-inched pictures or eight pieces of one-inched pictures are obtained on a piece of standard five-inched color paper with the need of only exposing once by using such negative film to clean-up the picture. The advantages of the model are using the camera lens to obtain the negative film to clean-up the picture can simplify the handling procedure, save the time and reduce the cost greatly.

Description

Camera lens for credentials

The utility model relates to the phtographic lens that single transoid 135 cameras of a kind of usefulness are taken one-inch, two cun certificate photographs.

Common single transoid 135 cameras have one group of object lens, a fixing light hurdle (viewfinder), if the certificate egative film that 135 cameras are taken with common enlargement of color photos machine at 88 * 128mm ²5 cun printing paper of standard on flush out the certificate photograph of one-inch or 2 cun, then need egative film repeated exposure eight times or four times on printing paper is perhaps used by expensive " eight fens mirrors ", this has just improved the cost of photograph greatly.

It is a kind of configurable on single transoid 135 cameras that the purpose of this utility model is to provide, and has the certificate photo phtographic lens on many group object lens and a plurality of smooth hurdle (viewfinder), and it can shoot the egative film with a plurality of same images.

Certificate photo phtographic lens of the present utility model comprises the camera lens main body; the focusing body; focusing knob; the focusing wheel; object lens; the light hurdle; bayonet socket and protection eyeglass; it is characterized in that described object lens are 4 groups or 8 groups; be fixed on the object lens fixed head of camera lens body rear; each position of organizing object lens is: if an egative film is divided into 4 or 8 rectangle little egative films corresponding with two cun or one-inch photo; then every group of object lens are positioned at the center of every little egative film; each is organized symmetria bilateralis corresponding with the long limit of the little egative film of rectangle on the object lens and is stained with the black catch; described smooth hurdle is fixed on the front end of camera lens main body, and 4 or 8 viewfinders corresponding with each objective lens are arranged on the light hurdle.Phtographic lens is connected and fixed by bayonet socket and single transoid 135 cameras.

The utility model has the advantages that the egative film flushing photograph that adopts this phtographic lens to take, single exposure can obtain 42 cun photographs or 81 cun photographs, has both simplified running program, has saved the time, greatly reduces the photograph cost again.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a structural representation of taking the phtographic lens of an one-by-one inch photograph.

Fig. 3 is a structural representation of taking the phtographic lens of two one-by-one inch photographs.

Embodiment: referring to Fig. 1-3, certificate photo phtographic lens of the present utility model comprises camera lens main body 3, focusing knob 4, focusing wheel 6, focusing body 8, bayonet socket 9, object lens fixed head 10, object lens 11 and light hurdle 1.Identical with ordinary camera by focusing body 8, focusing knob 4 with wheel 6 structures of forming that focalize of focusing, be to be threaded with camera lens main body 3 in the focusing knob 4, be threaded with focusing body 8 outward, be fixed with the wheel 6 of focusing on the focusing knob 4,6 outer cover rubber bands 5 are taken turns in focusing, are fixed on the slotted hole of the bearing pin 7 reeve camera lens main bodys 3 on the focusing body 8, camera lens main body 3 can only be moved vertically, adjust the distance between object lens 11 and the egative film, and can not rotate, focusing body 8 is fixing with bayonet socket 9.There is object lens fixed head 10 camera lens main body 3 rear ends, be fixed with 4 groups (as Fig. 3) or 8 groups of (as Fig. 2) object lens 11 on the object lens fixed head 10, each position of organizing object lens 11 is: if egative film is divided into and one-inch photograph or two cun 4 or 8 little egative films of rectangle that photograph is corresponding, then object lens 11 are positioned at the center of the little egative film of each rectangle, symmetria bilateralis corresponding with rectangle handle length of a film limit on the object lens 11 is stained with black washer 13, make object lens 11 both sides cut flat, object lens 11 focal length F=42, diameter phi 4.5mm cuts the flat surplus 3mm in back.Light hurdle 1 is fixed on camera lens main body 3 front ends, with object lens 11 distance be 34mm, the viewfinder of 4 10 * 14mm or 87 * 11mm is arranged on the light hurdle 1, the position of viewfinder is corresponding with object lens 11.Camera lens is connected with single transoid 135 cameras by bayonet socket 9.It is gland nut that camera lens main body 3 front ends are equipped with protection eyeglass 12,2.

Claims (1)

1; a kind of certificate photo phtographic lens; comprise camera lens main body 3; focusing knob 4; focusing wheel 6; focusing body 8; object lens 11; light hurdle 1; bayonet socket 9 and protection eyeglass 12; it is characterized in that described object lens 11 are 4 groups or 8 groups; be fixed on the object lens fixed head 10 of camera lens main body 3 rear ends; each position of organizing object lens 11 is: if an egative film is divided into 4 or 8 and one-inch or two cun little egative films of rectangle that photo is corresponding; then every group of object lens 11 are positioned at the center of the little egative film of rectangle; symmetria bilateralis corresponding with rectangle handle length of a film limit on the object lens 11 is stained with black catch 13; described smooth hurdle 1 is fixed on camera lens main body 3 front ends, and the corresponding viewfinder of 4 or 8 and object lens 11 is arranged on the light hurdle 1.

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