Tue Feb 16, 2016 6:25 pm
The first thing I suggest you do is Forget about crop factors! What format have you been shooting in?
Next, I suggest you get an application like "pCam",which,gives,comparisons of focal length and angle of view for various cameras/formats including MFT cameras,and BM cameras.
The Micro Studio sensor is just slightly larger than the Super 16 size sensor in the Pocket camera, so I suggest you treat it like a S16 size doe,lens selection proposes. A "normal" angle of view lens for Micro (S16+) would be about 18mm to get a 50mm equivalent angel of view (45-degrees) of a 50mm lens on a FF 35mm camera. So now, the 12mm lens on the Micro is going to have nice wide angle field of view (82-degrees). I use 12mm dor wide shots, a 16-18mm for normal angle of view shot, and 30-45mm for long interview type shots.
You can use a Metabones BMPCC speed booster with APC and FF 35mm lenses, like the Zeiss ZF, which I started out using, but have been replacing them (except my favorite 28mm Zeiss lens) the Veydra Mini Primes which are designed for a smaller format camera, and are better for cine type follow focus shooting.
The Zeiss worked great in the TV studio, giving two focal lengths for each lens when used with and without the speed booster. A 50mm lens for example, on the SB gives the angle of view of a 29mm lens on Super 16/ BM Studio/Micro cameras, which gives about a 28-degree angle of view.
Using adapters for various lenses you may already have or like to use, is one of the advantages to using a MFT lens mount with its short FFD. You,can also use the excellent PL mount Zeiss Super Speed lenses designed for S16. I have the Zeiss SS 12mm in a PL mount, which is excellent on the Micro Studio/Pocket camera.
You can also B4 lenses, but since they were designed for 2/3rds 3-CCD TV cameras, you are going to need a special adapter with an optical block to correct the RGB focus and expand the lens image circle to cover the S16" sensor.
Several good B4 adapters are available for B4 to MFT, but they cost from $1,500 (AbelCine PL/MFTx2 adapter) to $3K, unless BM makes one for less, like they did for the Mini URSA camera. You are still going to need a cable adapter on the Micro Stusio to go from the B4 lens 12-pin connector to a Db9 on the Micro, and currently, only the newer digital HD B4 lens protocols are supported inthe Micro Studio/ATEM CCU for remote lens control. This adapter however, is not currently available. AbelCine does make a simple power adapter for the lens to allow local control by camera op over the zoom and Iris functions which works with any B4 lens. See "Live Production" forum for discussions on this and other Micro Studio camera topics.
I used a Wooden Camera cage for both the Pocket and and Micro Studio, so I could use their (WC) replacement foot in the Speed Booster, which attaches to the cage, like their BMPCC PL to MFT adapter, which eliminates the slight rotational play in the MFT mount on both adapters, and makes for a very solid lens mount system with either adapter.
Cheers
Denny Smith
SHA Productions