Show The Aggie Review Page S The Aggie Review ” aai- - - z - “ - Fantastic forty minutes '' v ' x - ' - - ‘ v - fe tYn w - The expiosure problem can be solved simply by taking a reading in open shade while the sun is still up and using that exposure for the start of the shooting You will find that the light in the evening will decrease by V2 f stop each 5 minute time period So you must open up V2 f stop every 5 minutes In the morning f stops more light you must open up about than that open shade reading and then stop down every 5 minutes until the sun is up W' &' '"r 1 2-2- A tripod is a must and also a flexible shutter release because exposure times up to 30 seconds are not uncommon It all depends on the f stop you use prefer f45 to increase the sharpness and depth of field I A good lens hood is also necessary The lens hood can make those negatives sharper and the shadowed areas more distinct If you want to see the difference just cup your hand around one eye and compare what you see now with the same eye exposed You will see that objects are more distinct So use the lens hood even when there is no sun to shade If you don't have one just make one out of paper that does not vignette the corners of your negative You can emphasize the glow by increasing the development of your nsgative If you find that there is a 5 stop range from Zone in the shade to Zone VI in the highlights you should develop your negatives as normal With each 1 j 4 ’ y tvT ''y t- '’V W4?s miwiif i minffniiiMflYrft This rock formation was shaded from the advancing morning light in Mineral King National Park California fcV area 4 of Sequoia 1 I minutes after sunset the contrast will decrease by f stop so if at sunset the contrast is 5 stops 20 minutes later there will be only 3 stops contrast difference You must increase development of your negatives by about 15 percent for each f stop change in contrast The opposite is true in the morning light 20 minutes before sunrise the morning light starts out with sometimes less than 2 f stops difference in contrast and will increase f stop for every 10 minutes Development must also be decreased 15 percent from the maximum for each f stop increase in contrast 10 1 "A tripod is a must and also a flexible shutter release because ex- posure times up to 30 seconds are not " 1 Accurate exposure records can help you keep track of your negatives The best way to photograph is with sheet film so you can development each exposure separately but if you use roll film you can expose that roll of film in a 10 minute period of time then change film to a second roll for the different contrast Then develop each roll separately according to the contrast condtions Some experimenting will be necessary to obtain the best results with your camera film and developer Richard Albright a graduate of Utah State University Is 27 and Is a native of Seattle Washington Having served for four years In the United States Navy Albright came to USU in June 1972 His photography has been exhibited In numerous shows and he won several major awards In last year's Student Ac- tivities Board art contest n ti a rrI La iiiaimM r 4 aft— m A ! £ Wlt t Twigs were still glowing even 20 minutes after the sunset Mineral King California - y- - f & i |