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light, exposure, interior and lens

'INTERIORS are too often neglected by the amateur for want of the proper lens, the patience requisite for the long exposure, and the fancied difficulties.

The lens should be a " wide angle," to take in as much of the interior as possible, capable of showing three sides of a room. A bright day should be selected, to give the greatest quantity of light in the room, and this should be diffused by hanging white sheets over the 'windows furnishing the light, taking care that it does not shine directly into the lens. If a window comes in view, it should be covered with dark cloth, hung inside the win dow frame, and when the exposure is nearly complete, this cloth can be removed for a few seconds.

In focusing, the camera must be level, to have perpendicular lines show correctly. A piece of white lace, or something of the kind, laid over a chair at the chosen distance, will be an easy thing to focus on. Use the smallest stop, as details and " depth of focus " are wanted. A rapid plate should be used, as the time will be long in any case, and over-exposure need not be feared. In a fairly lighted room, a quick plate may require half an hour; in a dim light, half a day. Therefore choose a bright day, but let no sunlight in the room. The artistic skill and taste of the operator will have ample swing in arranging the various articles, furniture and ornaments, to make an attractive picture.

Polished surfaces of chairs or tables may reflect light; they should be moved or partly covered to avoid the unpleasant shine.

In photographing interiors, it is sometimes desirable to take the view towards an open window, showing not only the interior plainly, but also the landscape without. The simplest method we have found to accomplish this result, is to give a double exposure, one by daylight for the landscape, and the last for the interior, by flash light after dark, it being understood that the camera must remain in exactly the same position for both. The focus should be made on the interior, with the stop used for flash light, and the landscape taken with a small stop. Then, leaving the camera in position, make the second exposure by flash light after dark, with the larger stop, remembering, of course, to leave the window in the same condition, curtain drawn aside, and sash up as before.

Interiors can be taken by gas light, using the most rapid plates and long exposure. The light should for this purpose be as bril liant as possible, and not come from any point where it can shine into the lens.