300mm is 9.72 x 10-18 parsecs.
300mm
250 to 300mm center to center
The Canon EF 70 300mm lens has an image stabilizer, diffractive optics, and a 58 mm filter diameter. It has a minimum focusing distance of 1.5m with an object magnification of 1:4.
The fork lateral dimension is adjustable and usually this range is between 300mm to 1200mm.
450mm x 300mm 45cm x30cm 1350cm
The distance it will focus will depend upon the type of camera being used. It also depends upon which 300 mm lens you are using.
30cm
..about 300mm
30cm = 300mm
About 300mm a year
11.8110236
3 cm.