Glass is a most difficult medium to be photographed. So I have been having a great difficulty to take my glasswork by myself. Yesterday, John Harrison who is a local professional photographer came to my studio and gave me an important technical advice. Before I forget, I would like to leave a note here.
Setting the room and lighting ( I use the back room of our gallery which does not have windows )
- Tune off the celling light because it is different type to other lights. when I add more light, keep same sort of light. It effects to the "White Balance"
- My current light setting is almost good. Add another barrier ( Use bubble wrapping ) between the lights and the perspex sheets to make the light more even.
Camera setting ( I use Pentax SLR Digital Camera for my glasswork )
- Set to AV ( Aperture Priority) on Dial indicator.
- Set to 400 on ISO ( Sensitivity). Press the "Fn"button to go ISO to change.
- Set to Tungsten Light on White balance. Press "Fn" to go the menu to change.
- Aperture Value shown on right hand side in the view finder "+1" More + is lighter, - value makes darker. Press +/- button and slide e-dial.
- Shutter speed in view finder - If less than 60, it need to use a tripod.
- Focus on wider area needs bigger F number in viewfinder. Focus on closer object and out of focus on father object need small F number. I cannot remember how to change the number.
I am still confused about Aperture, Shutter speed and Focus ....
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