Panasonic ET-D75LE50 ET-D75LE5 Fixed Lens: Professional Analysis and Application Guide

Oct 16, 2025, 03:21:55 UTC


Lens Overview

The Panasonic ET-D75LE50 ET-D75LE5 is a fixed focal length projection lens (prime lens) specifically designed for Panasonic's high-end engineering projectors. This lens features a fixed throw ratio of 0.8:1, which categorizes it as an ultra-short throw lens. This means it is capable of projecting a large-sized image from a very short projection distance.


Compatible Projector Models and Specifications

The following table lists the projector models compatible with the ET-D75LE50 ET-D75LE5 lens, along with their key specifications such as launch date, native resolution, and throw ratio.

Projector Model

Launch Date

Native Resolution

Lens Throw Ratio

Brightness (ANSI Lumens)

Light Source Type

Notes / Application Features

Panasonic PT-RQ32KU

Jan 2017

5120x3200 (3DLP)

0.70:1

26,000

Laser

Ultra-high resolution, suitable for high-end monitoring, virtual simulation

Panasonic PT-DS100X / PT-DS8500U

Aug 2010

1400x1050 (3DLP)

0.80:1

10,600

Lamp

Early high-end engineering models, for large meeting rooms, exhibitions

Panasonic PT-DS12KE / PT-DS12KU

May 2013

1400x1050 (3DLP)

0.80:1

12,000

Lamp

Brightness upgrade, suitable for medium-sized venues, control rooms

Panasonic PT-DS20K2U / PT-DS20KE / PT-DS20KU

Jun 2012 / Sep 2015

1400x1050 (3DLP)

0.80:1

20,000

Lamp

High-brightness stable models, for large venues, stage backdrops

Panasonic PT-DW11KE / PT-DW11KU

May 2013

1366x768 (3DLP)

0.80:1

11,000

Lamp

Widescreen models, suitable for widescreen presentations, digital signage

Panasonic PT-DW17K2U / PT-DW17KU

Jun 2012 / Sep 2015

1366x768 (3DLP)

0.80:1

17,000

Lamp

High-brightness widescreen models, ideal for large-scale blending projects

Panasonic PT-DZ10KE / PT-DZ10KU

May 2013

1920x1200 (3DLP)

0.70:1

10,600

Lamp

Full HD+ resolution, good color performance, suitable for exhibitions

Panasonic PT-DZ13KE / PT-DZ13KU

May 2013

1920x1200 (3DLP)

0.70:1

12,000

Lamp

Brightness upgrade, suitable for HD presentations in well-lit environments

Panasonic PT-DZ16K2U / PT-DZ16KU

Jun 2014 / Sep 2015

1920x1080 (3DLP)

0.70:1

16,000

Lamp

Full HD resolution, high brightness, for large meetings, live events

Panasonic PT-DZ21K2U / PT-DZ21KE / PT-DZ21KU

Jun 2012 / Sep 2015

1920x1200 (3DLP)

0.70:1

20,000

Lamp

Top brightness in the series, for large venues, immersive experiences

Panasonic PT-RQ13KU

Dec 2015

5120x3200 (3DLP)

0.70:1

Information Missing

Laser

Early laser source ultra-high-resolution model

Panasonic PT-RQ22KU

Jul 2018

5120x3200 (3DLP)

0.75:1

Information Missing

Laser

Laser source, ultra-high resolution, for high-end visualization

Panasonic PT-RS11KU

Dec 2015

1400x1050 (3DLP)

0.80:1

12,000

Laser

Laser source, high stability, suitable for long-running monitoring, exhibitions

Panasonic PT-RS20KE / PT-RS20KU

Nov 2017

1400x1050 (3DLP)

0.75:1

20,000

Laser

High-brightness laser source, long maintenance cycle, for large fixed installations

Panasonic PT-RS30KU

Oct 2016

1400x1050 (3DLP)

0.80:1

30,000

Laser

Extremely high brightness laser model, for large-scale outdoor projection, landmark projects

Panasonic PT-RZ12KU

Dec 2015

1920x1200 (3DLP)

0.70:1

Information Missing

Laser

Laser source, Full HD+ resolution, vibrant colors

Panasonic PT-RZ21KE / PT-RZ21KU

Nov 2017

1920x1200 (3DLP)

0.69:1

20,000

Laser

Ultra-short throw laser models, suitable for space-limited immersive setups

Panasonic PT-RZ31KU

Oct 2016

1920x1200 (3DLP)

0.70:1

30,000

Laser

Top-tier brightness laser model, for the most demanding projection environments


Key Technical Features

Optical Performance

This fixed lens boasts an F2.5 aperture and a 7.5mm focal length, providing good light transmission. Its 0.8:1 throw ratio means it can project an image approximately 1.25 meters wide for every meter of projection distance, making it highly suitable for installation environments where space is limited.

Physical Characteristics

The lens weighs approximately 6.0 kg and has a length of about 35 cm. Constructed from sturdy and durable materials, it is well-suited for fixed installations. It supports power focus functionality, enabling remote and precise focusing, which facilitates easier debugging and maintenance.

Practical Application Scenarios

Large-Scale Exhibitions and Stage Applications

This type of high-performance lens, when paired with high-end Panasonic projectors, is widely used in large-scale exhibition displays, stage performances, and similar events.

Commercial and Cultural Tourism Projects

Thanks to its ultra-short throw characteristics, the ET-D75LE50 is particularly suited for commercial displays in limited spaces, cultural tourism night tours, 3D mapping projection shows on building facades, and other projects where large images need to be achieved from short distances.

Selection and Usage Recommendations

  • Compatibility Confirmation: Before purchase, always ensure the lens is fully compatible with your specific projector model.

  • Installation Environment Assessment: Consider the projection distance, screen size, and installation method (ceiling mount or flat placement).

  • Professional Debugging: It is recommended that installation and debugging be performed by professionals to ensure optimal projection results.

If you require detailed technical parameters for specific projector-lens combinations or practical application case studies, it is advisable to consult professional projection equipment suppliers.


If you require detailed technical parameters for a specific lens-projector combination or application examples, please feel free to contact Zosika's sales representatives for professional support.