===== Pentax-A SMC 35-70mm f/3.5-4.5 ===== 
{{ :lens:pentax-a_smc_35-70mm_f3.5-4.5.png?250|}}
==== Summary ====
The SMC Pentax-A 35–70mm f/3.5–4.5 is a compact, manual-focus standard zoom introduced in 1985 and produced through the late 1980s, designed for full-frame K-mount film cameras. It was part of the A-series lineup, offering Program and Shutter-Priority automation via the “A” setting on the aperture ring, and was marketed as a lightweight, affordable walkaround lens for general-purpose photography. Optically, it features an 8-element - 8-group design with Super Multi-Coating (SMC) and a 6-blade automatic diaphragm. The lens stops down to f/22, focuses as close as 0.7 meters in normal mode or 0.32 meters in macro mode, and delivers up to 0.25× magnification—making it surprisingly useful for close-up work. It uses a 49mm filter thread, weighs 248g, and measures 64 × 60mm. The lens was produced in both one-touch (push-pull) and two-touch (separate zoom/focus) versions, though the former is more common. It lacks internal focusing or weather sealing, but includes a manual aperture ring, and was often sold with a clip-on hood and soft case.
==== Tech Specs ====
| Manufacturer    |Pentax|
| Series          |A Series Zoom|
| Model           |SMC|
| Focal Length    |35-70mm|
| Max Aperture    |f/3.5-4.5|
| Min Aperture    |f/22-32|
| Format          |Full-Frame|
| Image Circle    |-|
| Minimum Focus   |32cm|
| Focus Rotation  |°|
| Iris Blades     |6|
| Optical Design  |8/8|
| Squeeze         |none|
| Front Diameter  |66mm|
| Filter Thread   |49mm|
| Focus/Zoom Rod  |none|
| Native Mount    |Pentax K|
| Data Protocol   |none|
| Length          |50mm|
| Weight          |243g|
| Body Telescope  |-|
| Body Material   |-|
| Focus Drive     |-|
| Iris Drive      |-|
| Zoom Drive      |-|
==== History ====
Country of Origin:  \\
Release Date: 1985 \\
Launch Price:  \\
Design Revisions:  \\

==== Service ====
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Service Manual: (Insert link to manual here) \\
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Full CLA: **TBD hrs.**\\
<wrap note></wrap>\\
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==== Cine-Mod ====
<nodisp 8>
Focus Ring O.D.: -\\
Zoom Ring O.D.: -\\
Iris Ring O.D.: -\\
De-click Y/N: -\\
Additional Notes: \\
</nodisp>
==== Notes ====
==== Media ====