Kodak Ektar 203mm f/7.7

Kodak Ektar 203mm f/7.7 is the historic Kodak 4×5 portrait-tele — Tessar-derived 203mm Ektar. The "203mm" focal length is an unusual focal length, originating from Kodak's translation of approximately 8 inches.

Key features

• Mount: Barrel
• Focal length: 203mm (~8 inches)
• Maximum aperture: f/7.7
• Image circle: ~245mm at f/22 — covers 4×5 with generous movements; covers 5×7 tightly
• Optical formula: 4-element Tessar
• Single-coated

Use case + rendering

The 203 Ektar is the historic Kodak 4×5 portrait-tele / 5×7 normal-class — barrel mount; Tessar character. Used by historic-LF photographers for the Kodak rendering.

Compatible cameras

• Graflex Speed Graphic — focal-plane shutter

Related lenses

• Kodak Ektar 152mm f/4.5 — wider Ektar sibling
• Kodak Commercial Ektar 210mm f/6.3 — Commercial Ektar at adjacent FL