Focusing Screen Ec

Seven interchangeable focusing screens are available to suit various applications. Each comes with a special tool for simple installation.

Note: The focusing screens for the EOS-1 are not as bright as the new Ec-II versions designed for the EOS-1N. The focusing screens were made to be dimmer for a purpose: any user of the EOS-1 will not be facing any problem should a pellicle mirror version of the EOS-1 is introduced. The viewfinder brightness of the EOS-1 is the same as the limited edition EOS RT camera.

Matte field with microprism rangefinder spot in the center of the screen. Usable with all lenses. Especially suited for general photography using an aperture of f/5.6 or larger.

Matte field with split-image rangefinder spot in the center of the screen. Suitable for all lenses.

Matte field with AF frame in the center of the screen. This screen enables the entire field of view to be seen without distraction. Usable with all lenses. Installed at assembly.

Matte field with vertical and horizontal reference lines. It is best for architectural photography, etc. where accurate image placement is essential.

Matte field with vertical and horizontal scale in millimeters. Recommended for close-ups, etc. where it is useful to know the size of the subject or the magnification involved.

Matte field with clear center spot containing double cross hair reticle. While focusing, move your eye from left to right. If cross-hairs stay in the same position on the subject, the subject is in focus. Recommended for astrophotography or other high magnification.

Matte field with cross split image in the center of the screen which divides the subject in half both vertically and horizontally. The subject is in focus when the four quarters merge to become one unbroken image. Suitable for general photography using an aperture of f/5.6 or larger.

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