To ensure colour accurate copies of artwork within the gallery I would use the small format DSLR camera with full size 35mm sensors. This is to be able to view the subject being photographed as well as being able to focus the image on the sensor. This size camera also allows for the images to be adequate to be reproduced in a magazine.
Attached to the DSLR camera would be the 50mm lens. I chose to use this size lens as it is considered to match the perspective seen by the human eye. A 50mm lens can be used in low light situations and it can also have a sharper result than a zoom lens. The 50mm lens is versatile, not too long and not too wide, and it is lightweight.
The use of the polariser filter would be essential in this scenario to reduce or eliminate any unwanted reflections that may show up on the artwork
Once the lens is attached to the camera, I would attach the tripod to the camera. Although by not using a tripod a variety of heights and positions may be able to be obtained however, the use of the tripod in this case would ensure that the artworks are photographed level and square. A tripod will help in placement of the camera as well as giving the ability of using a long shutter speed. The camera should be placed so that it is completely horizontal and vertical to the artwork.
By utilising the tripod, a problem may arise if photographing a large artwork hanging rather high on a wall. If the camera was to remain on the tripod and the camera pointed up, this would cause distortion. The use of either a tall tripod or a ladder with the capability of mounting a tripod head on the various steps would be required.
I would ensure there was enough natural lighting in the room however if there was not enough light I would use the two portable flash units to allow the light but not the reflections to the artwork