hey guys i am working on a new short film (i just finished writing the script) and i want in 3-4 scenes the sky to be an unnatural colour.... for example violet or a yellowish colour... what should i buy ? i have a panasonic tm700 46mm diameter... btw as there will be landscape the filter should be changing the colours only have of the lens (fail to explain) :/ i hope you understand 
thank you guys

thank you guys
