![]() As with previously described components, the light filter 30 can slide or pivot with respect to the frame 14, or the light filter 30 may be detachable from the frame 14. The light filter 30 may be carried by the frame 14 and can be movable therewith. The viewfinder 10 may also include a light filter 30. For example, from zero to five doors may be employed. Although shown as employing two doors 14 and 16, it is to be understood that any number of doors may be employed in other embodiments. The artist can position the doors 14 and 16 in a variety of manners with respect to the frame 12 so that the subject area 18 can be defined in a number of different sizes and shapes. The doors 14 and 16 allow for cropping of the image 50 so that the image 26 viewed in the subject area 18 is the image desired to be transferred to the working surface. Alternatively, only frame 12 and second door 16 may be used to form subject area 18 if desired. For example, the subject area 18 may be formed by only the frame 12 and the first door 14. It is to be understood, however, that in other embodiments the frame 12, first door 14 and second door 16 need not all be used in forming subject area 18. The frame 12, first door 14 and second door 16 define the subject area 18 that is of interest to the artist and is used in the creation of a work. A portion of the window 46 is blocked as the first and second doors 14 and 16 are opaque. Likewise, the second door 16 is positioned with respect to frame 12 so that it is at least partially located in window 46. The first door 14 is positioned with respect to the frame 12 so that a portion of the first door 14 is located in the window 46. 1, the first direction 20 is the horizontal direction and the second direction 22 is the vertical direction. For example, the first and second directions 20 and 22 may be oriented at an angle ranging from forty five to one hundred and twenty degrees in other exemplary embodiments. The first and second directions 20 and 22 may be oriented at a ninety degree angle to one another, although it is to be understood that in other exemplary embodiments that they may be oriented at various angles. The first door 14 is configured to move in a first direction 20, and the second door 16 is configured for moving in a second direction 22. ![]() The window 46 can be completely surrounded by the frame 12, or window 46 may be opened at one or more locations. In this configuration, the frame 12 defines the entire subject area 18 and helps the artist more easily visualize the image 26 that is to be transferred to the working surface. The first and second doors 14 and 16 can be fully extended so that they are moved completely out of and do not block viewing through any portion of the window 46. The viewfinder 10 can be used to frame the image 50 so that the artist sees only the elements desired for inclusion in his or her work while other, extraneous elements are blocked from view. ![]() B43L13/16- Devices for drawing in perspective free-hand.B43L13/149- Devices for drawing in perspective including grids.B43L13/14- Devices for drawing in perspective. ![]()
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