Pentax PC35 AF

Introduction: The Pentax PC35 AF at a Glance

The Pentax PC35 AF is a 35mm analog camera built around a fixed Pentax 35mm f/2.8 lens. It is a leaf-shutter compact with autofocus and a built-in flash, so the idea is simple: load film, point and shoot.

What makes it interesting is where it sits in Pentax history. It was the company's earliest autofocus 35mm compact, appearing around 1982, and it became the starting point for a longer line of PC-series cameras that followed.

Fixed-lens film compacts reward a slower, more deliberate way of shooting. With a limited number of frames on a roll, each press of the shutter button tends to be a decision rather than a reflex.

Design Roots and Historical Background

Pentax's first autofocus compact

The PC35 AF brought autofocus to Pentax's 35mm compact line with an active infrared system: the camera sends out an invisible beam and uses it to judge the distance to your subject.

The camera also offers pre-focus, which lets you lock the focus distance before you frame the final picture. It helps when your subject is off-centre.

A name that grew into a family

Pentax went on to reuse the PC naming for a whole series of cameras, with this model as the starting point. One relative is worth knowing about when you shop: the PC35 AF-M from 1984 has a built-in film transport motor and is a separate model. The PC35 AF advances film by hand with a thumbwheel; a separate PC35 Winder was sold as an add-on.

Key Technical Highlights

Lens and autofocus

The fixed lens is a Pentax 35mm f/2.8 with 5 elements in 5 groups. Focusing uses active infrared triangular autofocus with pre-focus, and the lens can focus from 0.7 m to infinity.

The viewfinder is an Albada type with 85% coverage. The finished photo can include a little more than you saw, so leave some room around your subject.

Exposure, film speed and flash

Exposure is a programmed auto system that works from EV6 (f/2.8 at 1/8 s) to EV17 (f/16 at 1/430 s). A button on top of the camera adds +1.5 EV of exposure compensation. There is no DX sensor, so you set the film speed manually between 25 and 400 ISO.

The built-in fold-out flash has a guide number of 11 m at ISO 100. A lens protector slides in front of the lens, and while it is closed a safety device blocks the shutter button.

• Lens: Pentax 35mm f/2.8, 5 elements in 5 groups
• Focus: active infrared autofocus with pre-focus, 0.7 m to infinity
• Exposure: programmed auto, EV6 to EV17, +1.5 EV compensation button
• Film speed: set manually, 25 to 400 ISO (no DX coding)
• Power: two AAA batteries

Modern-Day Use in 2026

Where the PC35 AF excels

The PC35 AF suits simple, walk-around shooting. The lens is fixed, exposure is automatic and focusing is taken care of, so you can concentrate on composition.

Use it for:

• Everyday snapshots with a classic 35mm field of view
• Travel photography with a single, small camera
• Street and documentary-style pictures at a relaxed pace
• Casual flash portraits at close range

Practical shooting tips

• Set the ISO dial to match your film every time you load a new roll.
• Use the pre-focus function when your subject is off-centre: lock focus on it, then recompose.
• Press the exposure compensation button for backlit subjects, which can otherwise come out dark.
• Keep your fingers clear of the lens and the autofocus window.

Buying and Maintenance Guide

What to check before buying used

This camera is decades old, so a careful check matters. Work through this checklist:

• Slide the lens protector open and closed several times; it should move smoothly and the shutter button should be blocked when it is closed.
• Look through the lens for dust, haze or fungus by holding it up to a light source.
• Open the battery compartment and look for corrosion or leaked residue.
• Fire the flash and make sure it folds out and works.
• Check that the ISO setting and the exposure compensation button operate properly.

Test the thumbwheel film advance and the shutter release. If you can, shoot a test roll before relying on the camera.

Power, batteries and film

The PC35 AF runs on two AAA batteries. It takes 35mm film, and since it has no DX coding you set the speed yourself.

• Fit fresh AAA batteries before a trip and carry a spare pair.
• Remove the batteries if you store the camera for a long period, to prevent leaks.
• Pick a 35mm film between 25 and 400 ISO and set the dial to match.

Basic care and accessories

A few simple photography accessories help keep a vintage compact in good shape:

• A soft case or bag to protect the camera from knocks and dust.
• A microfiber cloth and a blower for the lens and viewfinder window.
• A spare set of AAA batteries and a wrist strap for carrying.

What to pay

On European marketplaces such as eBay, working examples are typically listed around €90–€220. The spread is wide, so condition and included accessories matter.

Conclusion: Simple Autofocus, Classic Film

The Pentax PC35 AF is a straightforward 35mm compact: a fixed 35mm f/2.8 lens, infrared autofocus, programmed exposure and a built-in flash in one carry-anywhere body. Being Pentax's earliest autofocus 35mm compact adds some history.

If you pick one up, remember the two habits that matter most: set the ISO to match your film, and check the batteries and lens protector carefully before you buy. Do that, and the PC35 AF can be a pleasant way to shoot film today.

Ready to explore cameras like the Pentax PC35 AF? Browse our analog cameras and point-and-shoot cameras at DutchThrift.com.

Sources: the original Pentax PC35 AF instruction manual; Pentax PC35 AF on camera-wiki.org, text licensed under GFDL 1.3; price range based on recent eBay listings of working examples.