Misspellings - Typos
focal lenfth, focal lengtg, focal length, focal lenhth, focal lngth, focal lengh, focal lengthh, focall ength, focl length, focla length, focal lengtj, focal legnth, focal lenngth, foca llength, focal lengyh, foxal length, focal lengt, foccal length, foca; length, foocal length, ofcal length, foal length, fpcal length, focal ength, focallength, focal lrngth, focal kength, focal lengrh, focal lenggth, focal lwngth, focal legth, focak length, focal lengtth, focal lnegth, focsl length, focal lentgh, foval length, focal lemgth, ffocal length, foca length, focal leength, ocal length, focal lenth, focaal length, fcal length, gocal length, focal lebgth, focal lenght, fical length, fcoal length, focall length, focal llength, foacl length, docal length, focal elngth, focal ;ength