Discontinued : Wide-Angle Lenses Wide-Angle Lenses Standard Lenses Telephoto Lenses Macro Lenses
smc PENTAX-FA 20-35mmF4AL
- Zoom

35mm Full Frame
APS-C
Lens enabling adjustment of unique wide-angle lens perspective through zooming.
Uses glass molded aspherical and hybrid aspherical lenses. Incorporates a wide array of technologies including floating zoom and ghostless coating for providing sharp, crystal-clear images at all focal lengths and all shooting distances. The flower-shaped hood enables maximizing of the effects of its large size and includes a window for enabling easy operation of the circular polarizing filter.
Body AF
Aperture Ring
Aspherical Lens (AL)
Hood : PH-RBA58 / Case : S90-100 Included
JAN-Code / 4961333 045556
Features / Specifications
- Super wide-angle at focal length of 20mm
- Wide-angle zoom lens that covers the range from a super wide angle of 70° (diagonal line) and focal length of 20mm to a wide-angle focal length of 35mm. Two aspherical lenses are used to minimize distortion and provide sharp, crystal-clear imaging performance.
- Macro function
- The macro function enables closeups within 30cm of the subject and shooting magnifications up to 0.16x.
- Other features
- Flower-shaped hood for effectively cutting unneeded incident light from entering the lens
The window frame enables easy operation of the polarizing filter while the hood is attached. (PL filter window)
| Type | Wide Zoom |
|---|---|
| Focal length (Equivalent to 35mm format) | 20-35mm(30.5-53.5mm) |
| Maximum aperture | F4 |
| Minimum aperture | F22 |
| Angle of View | 70°-44° |
| Lens construction | 10 elements / 8 groups |
| No. of diaphragm blades | 8 |
| Closest focusing distance | 0.3m |
| Maximum reproduction ratio | 0.16x |
| Filter size | 58mm |
| Diameter x length | 69.5 x 68 mm |
| Weight | 245g |
Compatible Converters
A1.4X-S A2X-S (IF disabled)








