CN2127501Y - Special quartering lens for portrait - Google Patents

Abstract

The utility model relates to a special quartering lens for a portrait, which is an independent accessory of a 135 single lens reflex view-finder camera or an interchangeable lens camera which are specially used for shooting portrait photographs used for certificated, and is characterized in that four independent small lenses replace the original lens. Each portrait is shot on negative film. The four independent small lenses are arranged parellelly from top to bottom and from left to right. The utility model is arranged on the original lenses of the camera. The negative film with the same instantaneous four portraits are shot once by the flash lamp after focusing. A 3R photograph with four portraits can be obtained after commonly enlarging printing. Four sheets of portrait photographs used for certificate are obtained after cutting.

Description

Special quartering lens for portrait

The utility model relates to a kind of being exclusively used in and takes the independent attachment device of certificate with the portrait photo.

At present, common certificate is with there being direct many of the egative film of a portrait to print or open with four on the enlargement of color photos machine or the octavo camera lens 3R(that becomes to have four or eight portraits that enlarges and print is of a size of 127 * 89mm) photos with the portrait photo, and capable again cutting forms.Many printing efficient is low, price is high; Enlarge and print and will use four instead and open or the octavo camera lens of enlarging and print, the time is long, price is high, many shops which enlarges and prints also do not satisfy the requirements.These have all brought inconvenience.

The purpose of this utility model provides a kind of special-purpose attachment device, original 135 camera lenses of alternative camera, be contained in that 135 single-lens reflexes commonly used are found a view or the former lens location of camera body of lens changeable on, the same egative film that four portraits are arranged in a flash can be once shot, four certificate portrait photos can be obtained after cutting through enlarging and print.

The purpose of this utility model is achieved in that the utility model is to aim at the separate accessories that 135 camera certificates design with the portrait photo, it has four independent tiny lens through debugging respectively arranged side by side up and down, be contained on the different clamping rings of different model camera adapted, on the imaging surface that adjustment is all being determined four independent tiny lens, form elephant clearly, be contained on the former lens location of camera by clamping ring then.Use fixed aperture and distance during shooting, the people that aligning is taken, see four clearly during portrait on view finder, can use flashlamp once to shoot the egative film that four portraits are arranged with in a flash, the arrangement mode of four portraits and four independent tiny lens is in full accord.After this egative film is enlarged and print through common flushing, obtaining the 3R photo of four portraits, is exactly four portrait photos that certificate is used after cutting.

Owing to adopt above-mentioned utility model, make certificate simple and convenient, cheap with the making of portrait photo.

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is the figure of installing and using of the present utility model.

Fig. 2 is profile of the present utility model and structural drawing.

Fig. 3 is imaging system figure of the present utility model.

(1), 135 single-lens reflexes are found a view or camera body (2), the utility model of lens changeable among the figure, (3), flashlamp, (4), four tiny lens independently, (5), independent tiny lens structure is cutd open and is shown, (6), outer lens barrel, (7), shadow shield, (8), clamping ring, (9), the camera reflective mirror of finding a view, (10), camera shutter, the arrangement on egative film of (11), egative film and portrait.

In the drawings, four tiny lens (4) parallel arranged up and down independently, horizontal spacing 15.88mm, longitudinal pitch 11.13mm, each independently the optical system pattern of tiny lens (5) be day plug type (four three constituent elements) or three types (three three constituent elements) etc., according to the experience of taking portrait, the focal length of each independent tiny lens (5) is chosen to be f '=60-70mm, relative aperture generally can be 1:8-11, back work distance is from being not less than 50mm, the interference of veiling glare and guarantee that four portrait edges are clear as far as possible when reduce taking, the utility model is by having adorned shadow shield (7), four independently tiny lens (4) all be installed on the clamping ring (8) corresponding to the different model camera, and be installed on one's body 135 camera by clamping ring (8).

Claims (3)

1, the special-purpose four split mirror head of a kind of portrait, different model 135 single-lens reflexes find a view or the clamping ring of the camera adapted of lens changeable on, by four of parallel arranged up and down tiny lens independently, form a separate accessories.

2, the special-purpose four split mirror head of portrait according to claim 1 is characterized in that four independently tiny lens optical system patterns, and focal length is 20-100mm.

3, the special-purpose four split mirror head of portrait according to claim 1, its feature is that also the shape of shadow shield interstitial hole has determined the profile of portrait photo's exposed part, rectangle is applicable to certificate portrait photo, if change " heart " shape or pentalpha etc. into, that is petty, and the portrait photo is only in " heart " shape or pentalpha etc.

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