kez2
21-01-2008, 16:55
Hello,
I shoot film with an Pentax Spotmatic SP II.
I would like to purchase my first hotshoe flash unit– which I intend to convert into a DIY ringflash.
Before buying, I would like to get a couple of questions answered if possible:
I intend to use coloured filters on my lens.
(Sometimes, up to 5 at a time- for special effects!)
These reduce the amount of light hitting the film.
This is not a problem using the camera's internal metering with a constant light source as the reading is taken through the lens anyway!
However, with a flash, I have been advised to buy a specialised Flash meter; presumably the internal meter will be inadequate.
If I do so, how do I compensate for those coloured filters on the lens; the flash meter is obviously unaware that they are there?
Do I have to figure out the difference in light (in f-stops) that they make using the internal meter with a constant light source, and then add it on to the exposure that is recommended by the flash meter?
Or could I simply look through the viewfinder when I fire the flash and see what point the needle jumps to.
I somehow doubt it is that responsive, but it's an idea.
If I do need to buy a light meter. Are there any you would recommend (new, or second hand) that are cheap, simple, and will do flash, incident, and spot readings?
Thanks very much for the help!
I shoot film with an Pentax Spotmatic SP II.
I would like to purchase my first hotshoe flash unit– which I intend to convert into a DIY ringflash.
Before buying, I would like to get a couple of questions answered if possible:
I intend to use coloured filters on my lens.
(Sometimes, up to 5 at a time- for special effects!)
These reduce the amount of light hitting the film.
This is not a problem using the camera's internal metering with a constant light source as the reading is taken through the lens anyway!
However, with a flash, I have been advised to buy a specialised Flash meter; presumably the internal meter will be inadequate.
If I do so, how do I compensate for those coloured filters on the lens; the flash meter is obviously unaware that they are there?
Do I have to figure out the difference in light (in f-stops) that they make using the internal meter with a constant light source, and then add it on to the exposure that is recommended by the flash meter?
Or could I simply look through the viewfinder when I fire the flash and see what point the needle jumps to.
I somehow doubt it is that responsive, but it's an idea.
If I do need to buy a light meter. Are there any you would recommend (new, or second hand) that are cheap, simple, and will do flash, incident, and spot readings?
Thanks very much for the help!