Panasonic H-E08018PP - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features
Precautions for Lens Care
Troubleshooting (Sound)
Cleaning the Outer Casing and Lens Glasses
Disassembly and Assembly
Accessories
Service Fixture & Tools

This document describes the Panasonic H-E08018PP, H-E08018E, and H-E08018GK interchangeable lens for digital cameras, specifically the "LEICA DG VARIO-ELMARIT 8-18mm/F2.8-4.0 ASPH." model. It serves as a service manual, providing information for repair technicians.

Function Description:

The device is an interchangeable lens designed for digital cameras, specifically those using the Micro Four Thirds system. It offers a variable focal length from 8mm to 18mm, with an aperture range of F2.8 to F4.0. The "ASPH." designation indicates the use of aspherical lens elements to improve image quality and reduce aberrations. The lens incorporates "NANO SURFACE COATING" to minimize ghosting and flare, and features "LEICA DG VARIO-ELMARIT" branding, signifying its high optical quality and design standards. It also includes an optical image stabilizer, though its availability is noted as "Not available" in the specifications, which might indicate a typo or that stabilization is handled by the camera body. The lens supports AF/MF switching.

Important Technical Specifications:

Focal length: f=8 mm to 18 mm (35 mm film camera equivalent: 16 mm to 36 mm)
Aperture type: 7 diaphragm blades/circular aperture diaphragm
Maximum aperture: F2.8 (Wide) to F4.0 (Tele)
Minimum aperture value: F22
Lens construction: 15 elements in 10 groups (1 aspherical ED lens, 3 aspherical lenses, 2 ED lenses, 1 UHR lens)
Nano surface coating: Yes
In focus distance: 0.23 m (0.75 feet) to ∞ (from the focus distance reference line)
Maximum image magnification: 0.12× (35 mm film camera equivalent: 0.24×)
Optical image stabilizer: Not available (as per specification table, but typically a feature of such lenses)
AF/MF switch: Available (Switching AF/MF)
Mount: "Micro Four Thirds Mount"
Angle of view: 107° (Wide) to 62° (Tele)
Filter diameter: 67 mm
Max. diameter: Ø73.4 mm (2.9 inch)
Overall length: Approx. 88 mm (3.5 inch) (from the tip of the lens to the base side of the lens mount)
Mass (Weight): Approx. 315 g (0.694 lb)
Operating temperature: -10 °C to 40 °C (14 °F to 104 °F)
Dust-proof and splash-proof: Available

Usage Features:

The lens is designed for use with digital cameras that support the Micro Four Thirds system. It is an interchangeable lens, allowing users to swap it with other lenses as needed. The variable focal length makes it versatile for different shooting scenarios, from wide-angle landscapes to tighter compositions. The fast maximum aperture (F2.8-F4.0) allows for good low-light performance and shallow depth of field effects. The AF/MF switch provides flexibility for both autofocus and manual focus operation. The dust-proof and splash-proof design enhances its durability and allows for use in various environmental conditions.

Maintenance Features:

The manual provides detailed instructions for maintenance, focusing on cleaning and troubleshooting.

Precautions for Lens Care:

Dust-proof and splash-proof construction: While designed to be resistant, it's not completely waterproof. Avoid direct contact with water and do not use in the rain or near water.
Temperature changes: Sudden changes can cause condensation, leading to mold and malfunction. If moving from a cold to warm environment, place the lens in a plastic bag to allow it to acclimate slowly.
Cleaning:
- Use a blower to remove dust from the lens surface.
- For stubborn dirt or fingerprints, use a soft, dry cloth.
- For very dirty lenses, use a lens cleaning kit (VFK1900BK) and a lens cleaning fluid.
- Never use organic solvents like benzene, thinner, or alcohol, as they can damage the lens or paint.
- Avoid touching the lens surface with bare hands.
- Do not use a household detergent or chemically treated cloth.
Storage:
- Store in a cool, dry place.
- Avoid direct sunlight or high temperatures/humidity.
- If storing for a long period, use a desiccant (silica gel) to prevent mold.
- Do not leave the lens in contact with rubber or plastic products for extended periods.

Troubleshooting (Sound):

A sound heard when the camera is turned on or off, or during operation, is normal and indicates the lens's aperture movement and is not a malfunction.

Cleaning the Outer Casing and Lens Glasses:

Outer casing: Blow off dust with a soft cleaning brush, then wipe with a dry fuzz-free cloth.
Lens glasses: Blow off dust with a blower (do not blow strongly), then wipe with a lens cleaning kit (VFK1900BK) and lens cleaning fluid.

Disassembly and Assembly:

The manual includes comprehensive instructions for disassembling and reassembling the lens, crucial for repair technicians. This involves removing various components such as the decoring plate, shading frame, L mount unit, dustproof rubber, rear frame unit, lens P.C.B., mount contact unit, zoom drive pin, and zoom ring unit. Specific torque values are provided for tightening screws during assembly, emphasizing the use of a torque driver (RFKZ0542) for precision. The assembly flow chart outlines the correct sequence for putting the lens back together.

Accessories:

The lens comes with several accessories:

Lens Pouch (VFC4430)
Lens Cap (1GE1Z252Z)
Lens Rear Cap (VFC4605)
Lens Hood (1ZE4Z252Z) The lens rear cap and lens cap are attached to the interchangeable lens at the time of purchase.

Service Fixture & Tools:

Specialized tools are recommended for servicing the lens:

Lens Cleaning Kit (BK) (VFK1900BK)
Torque Driver (RFKZ0542)
Driver (VFK1390) A clean box is also recommended for repair work to maintain a dust-free environment, with a clean hood (Part No. RFKZ0428) specified.

The document highlights the importance of using new parts for replacement, especially for the decoring unit, and advises against reusing removed parts. It also specifies the use of double-stick tape for securing the decoring unit. The overall emphasis is on precise handling and adherence to specified procedures for maintaining the lens's optical and mechanical integrity.