DZOFilm LingLung 20-70 T2.9

Full Description

The DZOFilm LingLung 20-70 T2.9 is a professional parfocal cine zoom lens designed for Micro Four Thirds (MFT) systems. It combines superior optical quality, robust mechanics, and precise manual control for true cinematic production. With a constant T2.9 aperture across the entire zoom range, it delivers consistent brightness and a beautifully shallow depth of field.

Built for filmmakers, videographers, and independent creators, this lens offers exceptional versatility and optical fidelity. Its fully manual controls, cine-grade gearing, and durable aluminum construction make it a reliable tool for professional sets, documentaries, and commercial work.

Usage and Target Audience

The DZOFilm LingLung 20-70 T2.9 is designed for creators who need a compact cine zoom that maintains professional image quality. Ideal for cameras such as the Panasonic GH6, Blackmagic Pocket 4K, and OM-System OM-1, its parfocal design allows zooming without losing focus—perfect for run-and-gun filmmaking, interviews, and narrative productions.

Optical Performance

The T2.9 aperture ensures crisp, bright images in low-light environments. The 12-blade iris creates smooth, rounded bokeh, while the near-zero breathing guarantees stable framing during focus pulls. Cine-style 0.8 MOD gears for focus, zoom, and iris ensure seamless compatibility with professional rigs and follow-focus systems.

Main Features

• Parfocal design: keeps subjects in focus throughout zooming.
• Near-zero breathing: maintains stable framing when focusing.
• Constant T2.9 aperture: consistent exposure across the entire zoom range.
• 12-blade iris: produces smooth, cinematic bokeh.
• Smooth operation: precise rotation angles (270° focus, 100° zoom, 70° iris).
• Durable construction: full-metal aluminum body with professional cine finish.
• MFT mount compatibility: supports Micro Four Thirds cinema cameras and mirrorless systems.
• Adjustable back focus: allows fine calibration for different rigs.
• Manual control: pure mechanical design for filmmakers who prefer tactile precision.

Technical Specifications

• Focal Length: 20–70 mm
• Maximum Aperture: T2.9
• Minimum Aperture: T22
• Mount: Micro Four Thirds (MFT)
• Image Circle: 21.6 mm (covers MFT sensors)
• Optical Construction: 16 elements in 12 groups
• Minimum Focus Distance: 0.79 m
• Zoom Ratio: 3.5x
• Front Diameter: 80 mm
• Filter Thread: 77 mm
• Gearing: Standard 0.8 MOD for focus, zoom, and iris
• Focus Rotation: 270°
• Zoom Rotation: 100°
• Iris Rotation: 70°
• Back Focus Adjustment: 19.2 mm ±0.3 mm
• Dimensions: approx. 153 mm length
• Weight: approx. 1.1 kg
• Focus Scale: Dual (metric and imperial)
• Body Material: Aluminum alloy
• Stabilization: None (fully manual lens)
• Electronic Communication: None

Box Contents

• DZOFilm LingLung 20-70 T2.9 lens (MFT mount)
• Front lens cap
• Rear lens cap
• Protective hard case or padded pouch
• User manual
• Warranty certificate

FAQ

Is the DZOFilm LingLung 20-70 T2.9 compatible with full-frame cameras?

No. It is designed exclusively for Micro Four Thirds cameras and does not cover Super 35 or full-frame sensors.

Do I need a lens support?

Yes. A lens support is recommended when used with heavy rigs or gimbals due to the lens’s size and weight.

Does the lens include image stabilization?

No, it is a fully manual lens without optical or electronic stabilization.

How do I adjust the back focus?

The back focus can be fine-tuned (19.2 mm ±0.3 mm) to match your camera body for optimal focus accuracy.

Is the image sharp wide open at T2.9?

Yes. The lens delivers excellent sharpness and contrast even at T2.9, with improved micro-contrast when stopped down slightly.

How heavy is the lens?

It weighs approximately 1.1 kg with a length of around 153 mm.

Is it suitable for professional productions?

Yes. The DZOFilm LingLung 20-70 T2.9 is a professional cine zoom lens ideal for commercials, documentaries, and film work.