Pentax Rear Converter A 645 2x Telecoverter 645

The Pentax Rear Converter A 645 2x is a dedicated teleconverter for the Pentax 645 medium format system, designed to double the effective focal length of any attached 645 lens. For example, a 150mm lens becomes a 300mm equivalent, while a 200mm becomes a 400mm—perfect for wildlife, sports, or compressed landscape work.

As part of the “A” series, the converter preserves full aperture automation with Pentax-A, FA, and D FA 645 lenses, ensuring seamless use on both film and digital 645 bodies. While it reduces the maximum aperture by two stops (e.g., f/2.8 becomes f/5.6), it offers a compact and cost-effective way to extend your telephoto reach without carrying an additional long lens.

Condition: Excellent

This Pentax Rear Converter A 645 2x is in excellent condition. Optics are clean and clear, with no haze, fungus, or scratches. The mount surfaces are clean, couplings are intact, and the barrel shows only minimal wear. Comes complete with its original hard leather carrying case for safe storage.

A great addition to any Pentax 645 kit, ideal for photographers who need extra reach while maintaining the Pentax system’s optical quality.

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We pack everything carefully and are pretty meticulous about what we sell. You can expect to receive a fully functional, conservatively rated item.

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