An optical extender between body and lens that multiplies focal length (1.4×, 2×) at the cost of 1–2 stops of light.
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Last updated October 03, 2026 · How we calculate · Sources
Photography glossary
Photography glossary
An optical extender between body and lens that multiplies focal length (1.4×, 2×) at the cost of 1–2 stops of light.
Last updated October 03, 2026 · How we calculate · Sources
Try “Sony a7 IV”, “golden hour Paris”, “50mm f/1.8”, “fireworks”, “Portra 400”.