| Focal length
[mm] 
& Maximum aperture [F] | 
  | 
Maximum diameter
[mm] 
& Length [mm] | 
Weight 
[g/oz.] | 
| Wide-Angle
Zoom Lenses | 
| smc
PENTAX-FA 20mm-35mm F4 AL | 
  | 
69.5 x 68 | 
245 | 
| Standard
Zoom Lenses | 
| smc
PENTAX-FA J 28mm-80mm F3.5-F5.6 AL | 
  | 
63 x 67 | 
180 | 
| smc
PENTAX-FA 28mm-105mm F3.2-F4.5 AL [IF] | 
  | 
66 x 65.5 | 
255 | 
| smc
PENTAX-A 35mm-80mm F4-F5.6 | 
- | 
65 x 58 | 
185 | 
| Telephoto
Zoom Lenses | 
| smc
PENTAX-FA J 75mm-300mm F4.5-F5.8 AL | 
  | 
69 x 116 | 
385 | 
| Wide-Angle
Lenses | 
smc
PENTAX-FA 31mm F1.8 AL Limited [Silver] 
smc
PENTAX-FA 31mm F1.8 AL Limited [Black] | 
  | 
65 x 68.5 | 
345 | 
| smc
PENTAX-FA 35mm F2 AL | 
  | 
64 x 44.5 | 
195 | 
| Standard
Lenses | 
| smc
PENTAX-FA 43mm F1.9 Limited | 
  | 
64 x 27 | 
155 | 
| smc
PENTAX-A 50mm F1.2 | 
- | 
64.5
x 47.5 | 
345 | 
| smc
PENTAX-FA 50mm F1.4 | 
  | 
65 x 37 | 
220 | 
| Telephoto
Lenses | 
| smc
PENTAX-FA 77mm F1.8 Limited | 
  | 
64 x 48 | 
270 | 
| Macro
Lenses | 
| smc
PENTAX-D FA Macro 50mm F2.8 | 
  | 
67.5 x 60 | 
265 | 
| Adapters
and Converters | 
| Rear
Converter A1.4X-S | 
- | 
64.5
x 21.5 | 
145 | 
| Rear
Converter A2X-S | 
- | 
64.5
x 39 | 
210 | 
| Rear
Converter A1.4X-L | 
- | 
65.5
x 28.5 | 
175 | 
| Rear
Converter A2X-L | 
- | 
65.5
x 63 | 
255 | 
| smc
PENTAX-F AF Adapter 1.7X | 
- | 
64
x 26 | 
135 |