hyperchromatic lens combination
多色差透镜组合

• vernier level
• vernier micrometer
• vernier protractor
• vernier-read
• vernier reading
• vernier-read instrument
• vernier scale
• vernier slide caliper
• versatile goniometer
• versatile holocamera
• versatility
• ver-short wave
• version
• vertex angle
• vertex diopter
• vertex dioptric power
• vertex focal length
• vertex formulas
• vertex of mirror
• vertex of surface
• vertex power
• vertical
• vertical adjustment
• vertical angle
• vertical angle of view