Here is a sample difference between a normal view and a 0.43x view
Lens: Power: 0.43x time conversion factor of your current lens setting plus a Macro mode.
Optical System:Conversion type; mounts on front of existing lens.
Mounting System:Screw type in front of existing camera lens into the filter accessory threads.
Optics:Designed to maximize use day and night with coated optics to provide maximum image transmission with minimum distortion.
Auto Focus:Utilizes camera auto focus system.
Adaptability:Maintains all the camera functions plus it provides 0.43X wide angle lens conversion power.
The Macro mode is accomplished by unscrewing the front lens assembly and using the section labeled Macro with your existing camera lens.,