Filters

The purpose of the UV filter is to reduce distant haze although its main purpose is to protect the front element. The Skylight filter was often confused with the UV but its use was to reduce the blue effect of open shade, overcast days, snow etc.
The close up lenses have the prefix S for the 24mm lens, W for the 18mm and T for the 50mm The number is the focal length, i.e. S31 is 310mm.

TYPE

FITS

FOCUS RANGE

MAGNIFICATION

S31

24mm

20-36cm

1/6.1 - 1/12.7

S16

24mm

15-20cm

1/4.1 - 1/6.4

W21

18mm

16-26cm

1/5.7 - 1/11.3

T86

50mm

48.5-91.9cm

1/8.0 - 1/17.1

T43

50mm

34.4-28.9cm

1/5.4 - 1/8.6

UV

24mm

 

 

Skylight

24mm

 

 

UV

18mm

 

 

Skylight

18mm

 

 

UV

50mm

 

 

Skylight

50mm

 

 

LENS

FILTER SIZE

18mm

30.5mm

24mm

25.5mm

50mm

37.5mm

70mm

49mm

20-40mm

49mm

Technical Data sheets for the filters and Close Up Lenses