Canon 500D close-up lens (achromat) on Canon EF-S 55-250mm IS (mark I) at 250mm, maximal magnification.

Hoya single lens close-up lens (+2 dioptre) on Canon EF-S 55-250mm IS (mark I) at 250mm, maximal magnification. Poor contrast.

Canon 500D close-up lens (achromat) on Canon EF-S 55-250mm IS (mark I) at 250mm, maximal magnification.

Canon EF-S 60mm macro, 1:1 

Canon EF-S 60mm macro, 1:1  with 500D close-up lens, maximal magnification.