Pentax smc -FA Operating Manual page 17

FILTERS
Size Lens
49mm FA 28mm f/2AL, FA Soft 28mm f/2.8, FA 35mm f/2AL, FA 43mm f/1.9 Limited, FA 50mm f/1.4 & f/1.7,
FA 77mm f/1.8, FA Zoom 70-200mm f/4-5.6, F & FA Zoom 35-80mm f/4-5.6,
F & FA Zoom 80-200mm f/4.7-5.6, FA Macro 100mm f/3.5
52mm FA 135mm f/2.8 (IF), FA Soft 85mm f/2.8, FA Macro 50mm f/2.8, FA Zoom 28-70mm f/4 AL
58mm FA 31mm f/1.8AL Limited, FA Zoom 20-35mm f/4AL, FA Zoom 28-80mm f/3.5-5.6,
FAJ Zoom 28-80mm f/3.5-5.6AL, FA Zoom 28-90mm f/3.5-5.6, FA Zoom 28-105mm f/3.2-4.5AL (IF),
FA Zoom 28-105mm f/4-5.6, FAJ Zoom 75-300mm f/4.5-5.8AL, FA Zoom 80-320mm f/4.5-5.6,
F Zoom 100-300mm f/4.5-5.6, FA Zoom 100-300mm f/4.7-5.8, FA Macro 100mm f/2.8
62mm FA 28-105mm f/4-5.6 (IF)
★
67mm FA 20mm f/2.8, FA 24mm f/2AL (IF), FA
★
FA 300mm f/4.5ED (IF), FA Zoom 24-90mm f/3.5-4.5AL (IF), FA
72mm FA 28-200mm f/3.8-5.6
77mm FA ★ 200mm f/2.8ED (IF), FA ★ 400mm f/5.6ED (IF), FA
Precautions for using a polarizing filter
The circular polarizing filter is thicker than an
ordinary filter.
For this reason, using the circular polarizing
filter with lenses as shown on the chart on the
right may cause vignetting at the edges of
picture.
★ ★
85mm f/1.4 (IF), FA Macro 200mm f/4ED (IF),
★
Zoom 28-70mm f/2.8AL
★ Zoom 80-200mm f/2.8ED (IF)
Size Lens
52mm FA Zoom 28-70mm f/4AL
58mm FA Zoom 20-35mm f/4AL
FA Zoom 28-80mm f/3.5-5.6
FA Zoom 28-90mm f/3.5-5.6
FA Zoom 28-105mm f/4-5.6
67mm FA Zoom 24-90mm f/3.5-4.5AL (IF)
FA ★ Zoom 28-70mm f/2.8AL
FA 20mm f/2.8
Use a circular polarizing filter with
Autofocus camera for proper exposure and
auto focusing.
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