Rear mounting thread

1,33x - 40 Compact

1,33x - 50

1,33x - 65

2x - 50

* Taking lens front element should be smaller than 

Horizontal squeeze

Suggested taking lens based on sensor size

52mm

62mm

82mm

62mm

40mm

50mm

65mm

50mm

1.33x

1.33x

1.33x

2x

>20mm focal length
>35mm focal length
>50mm focal length

MicroFourThirds
S35 / APS-C
Full Frame

>35mm focal length
>50mm focal length
>75mm focal length

* Not to be confused with its filter thread