Brand: Pentacon 

Lens Type: Zoom 

Lens Mount: PB

Serial No: 1004094

The Pentacon Prakticar PB 70-210mm f/4-5.6 lens with a PB mount is a telephoto zoom lens designed for cameras with a Praktica PB mount. Here's a brief description of its key features:

• Focal Length Range: The lens offers a variable focal length from 70mm to 210mm, making it a telephoto zoom lens. This range is suitable for capturing distant subjects, making it useful for portrait photography, wildlife, and sports.

• Aperture Range: The lens has a variable aperture with a maximum aperture of f/4 at 70mm and f/5.6 at 210mm. This aperture range provides flexibility in different lighting conditions, allowing for good performance in various shooting situations.

• Prakticar PB Mount: The lens is equipped with a Prakticar PB mount, indicating compatibility with Praktica cameras that use the PB mount. It's important to note that the PB mount is specific to Praktica cameras.

• Manual Focus: Like many lenses from its era, the Pentacon Prakticar PB 70-210mm f/4-5.6 is a manual focus lens. Photographers need to adjust focus manually using the focus ring on the lens barrel.

• Telephoto Capability: With a maximum focal length of 210mm, this lens falls into the telephoto category, allowing photographers to capture subjects at a distance with greater detail.

• Optical Construction: The lens is constructed with multiple lens elements to achieve optical performance, and it likely includes features to reduce optical aberrations and enhance image quality.

• Build Quality: The lens is typically constructed with a durable build suitable for regular use. However, specific build materials and features may vary.

• Versatility: Telephoto zoom lenses like this one are versatile, allowing photographers to adapt to different shooting scenarios without changing lenses.

• Adaptability: While the lens is designed for Praktica cameras with a PB mount, it's worth checking whether adapters are available to use it with other camera systems.

Photographers using the Pentacon Prakticar PB 70-210mm f/4-5.6 appreciate its telephoto capabilities and versatility, making it a practical choice for various photography genres, especially when a more extended reach is needed.