Camera News

Pentax LX — Early vs Later Versions

First, it’s important to know:

Pentax LX officially had only one model from its launch in 1980 until production ended around 2001.

There was no major “Mark II” or “new generation” LX.

However, during its long production life, Pentax made internal upgrades and refinements — so today collectors and users talk about “early LX” and “later LX.”

The differences are small but important, mainly in terms of durability and reliability, not in how the camera operates.

Key Differences

Feature

Early Pentax LX

Later Pentax LX

Weather Sealing

Basic sealing. Good, but some weak points (e.g., around buttons and dials).

Improved sealing. Extra gaskets were added; better protection against dust, moisture, and weather.

Magnet Shutter Control

Early magnetic shutter components could degrade over time (risk of magnet weakening).

Upgraded magnet material, more durable and reliable for long-term use.

Electrical Contacts (Viewfinder & Accessories)

Standard gold plating, but earlier versions had higher risk of oxidation after years.

Improved materials and better protection, more stable electronic communication with viewfinders and accessories.

PC Sync Port (for Flash)

Earlier versions’ ports were more prone to corrosion from sweat/moisture.

Later ports improved with better sealing and materials.

Cosmetic Small Details

Minor differences: thickness and style of logo engravings, placement of serial number, etc.

More standardized engravings; some tiny cosmetic tweaks.

Serial Numbers

Generally below 5000000 = early production.

Generally above 5000000 = later production (refined versions).

In short:

Handling, size, functions are the same between early and late LXs. Later versions are more rugged — especially if you shoot outdoors a lot (rain, snow, dust). Early versions feel “purer” in a vintage craftsmanship sense but may need more careful maintenance today. From a collector’s view: Some prefer early models for their “original 1980” spirit; others prefer late models for better reliability.

Bonus tip:

If you’re buying a used LX, later versions tend to be more reliable unless fully serviced by a trusted technician.

Still — a well-maintained early LX is just as good!