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焦距 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
焦距jiāojùfocal lengthHSK 7, unknown, 23 strokes, rank #25582, Very Hard
焦距jiāojùfocal distanceHSK 7, unknown, 23 strokes, rank #25582, Very Hard
jiāojù(jiao1ju4)jiao ju T1
  1. 1focal length
  2. 2focal distance
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March 24, 2026

焦距jiāojù(jiao1ju4)

焦距 (jiāo jù) refers to the distance between the lens and the focal point where light rays converge. It is commonly used in photography, optics, and physics to describe how lenses focus light, affecting image size and clarity.

Strokes23Frequency#25582DifficultyVery Hard
Cultural note

In China, the advancement of photography and film-making has made terms like 焦距 increasingly relevant, especially in the context of art and media education. Understanding this term can enhance discussions about modern visual culture.

Memory tip

Imagine a camera lens focusing light to a point. The character 焦 (jiāo) resembles a flame, which can symbolize the intensity of focused light, while 距 (jù) suggests distance. Visualize a fiery lens directing light precisely to capture a perfect photo.

Meanings of 焦距

jiāojù(jiao1ju4)
1focal length
2focal distance
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About 焦距

焦距Simplified
23Strokes
—Radical
#—Frequency Rank
HSK 3.0L7AdvancedCEFRC2

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AI study notes for 焦距

Usage Notes

Be careful not to confuse 焦距 with similar terms like 焦点 (focal point) or 距离 (distance). This term is typically used in technical contexts, so it may not be appropriate in everyday conversation. Remember to use the correct tones: jiāo (first tone) and jù (fourth tone).

HSK Study Tips

Although 焦距 is not included in HSK vocabulary, it connects to HSK level-related words like 光 (light) and 镜头 (lens). Students should focus on understanding how this term fits within discussions of optics and photography.

Common Mistakes

Learners might confuse 焦距 with 距离, mistakenly referring to焦距 as just 'distance.' The correct usage emphasizes the specific context of focal length, so remember it as 'focal distance' rather than a general term for distance.

AI-enhanced 2026-03-24

Pronunciation of 焦距

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Component characters

焦Jiāoburnt
HSK 712 strokes灬
View full entry
距jùat a distance of
HSK 511 strokes足
View full entry

How to say focal length in Chinese

“focal length” in Chinese is焦距jiāojù

焦距 (jiāo jù) refers to the distance between the lens and the focal point where light rays converge. It is commonly used in photography, optics, and physics to describe how lenses focus light, affecting image size and clarity.

When to use 焦距

Be careful not to confuse 焦距 with similar terms like 焦点 (focal point) or 距离 (distance). This term is typically used in technical contexts, so it may not be appropriate in everyday conversation. Remember to use the correct tones: jiāo (first tone) and jù (fourth tone).

What learners get wrong

Learners might confuse 焦距 with 距离, mistakenly referring to焦距 as just 'distance.' The correct usage emphasizes the specific context of focal length, so remember it as 'focal distance' rather than a general term for distance.

Write 焦距

焦
距

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Frequently asked questions about 焦距

It is primarily used in photography and optics to determine how a lens will focus light.

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