/ Precision Engineering

Yashica T4: Technical Specifications

A comprehensive ledger of optical, mechanical, and electronic parameters. Verified data for repair, modification, and field performance analysis.

Internal Mechanics

Modular Design Breakdown

Optical Group Assembly

The Carl Zeiss Tessar 35mm f/3.5 lens, renowned for its T* coating, delivers exceptional contrast and minimal chromatic aberration across the frame. Kyocera engineering ensures precise alignment.

Shutter Mechanism

Electronically controlled leaf shutter with speeds ranging from 1/700s to 1s. Critical flex cable inspection points detailed for common repair diagnostics.

Flash Module & Sensor

Integrated automatic flash with red-eye reduction. The 3-point infrared active autofocus system ensures rapid and accurate subject acquisition, even in low light.

Performance Metrics

Verified Factory Parameters

3-Point

Active AF System

90°

ScopeFinder View

1/700s

Max Shutter Speed

Field Test Reports

Explore real-world film samples and detailed repair logs in the archive.