By now you should be well acquainted with the idea that different cameras can…have different sized sensors.…But if you use an SLR with a cropped sensor, that is, one whose sensor is…smaller than a piece of 35mm film, then you have some additional lens options.…Take a look at this.…I have got here a Canon 5D, which has a full frame sensor, and a Canon 7D,…which has a cropped sensor with a crop factor of 1.6, just like we were…talking about earlier.…I have taken the lenses off so that you can see inside to see the mirror chambers.…
Now, we haven't talked about SLR anatomy. You can learn about that in…the exposure course.…But inside this chamber, when I take the lens off, there is mirror that reflects…light up into the viewfinder and you can see very easily that the full frame…sensor has a much larger mirror than the camera with the crop sensor.…That's because the sensor is so much larger that it takes a bigger mirror to cover it up.…Now, what you can't see here from this angle is that the mirror in this camera…
Author
Released
2/11/2011- Understanding field of view and camera position
- Depth of field and lens choice
- How to choose a lens
- Examining lens features
- Using specialized lenses such as fisheye and tilt/shift lenses
- Focusing techniques
- Using filters
- Camera maintenance
Skill Level Beginner
Duration
Views
Related Courses
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Photography Foundations: Composition
with Ben Long5h 29m Intermediate
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1. Introduction
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Welcome1m 19s
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Who is this course for?1m 34s
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Why does the lens matter?2m 36s
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Changing lenses3m 43s
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A word about camera brands1m 53s
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2. What Is a Lens?
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What is a lens?3m 51s
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Field of view2m 36s
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Focal length multipliers5m 42s
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Primes and zooms2m 2s
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3. Focal Length, Camera Position, and Composition
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Shooting wide7m 2s
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Shooting telephoto8m 9s
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Focal length applications1m 59s
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4. Depth of Field
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Depth of field (DOF)5m 3s
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DOF and sensor size1m 50s
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DOF and background size2m 5s
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5. Choosing a Lens
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Choosing a lens7m 11s
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Image quality4m 10s
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Lens features6m 42s
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Size and weight6m 29s
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Specialty lenses5m 9s
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Where to buy2m 54s
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Lens caps1m 28s
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6. Advanced Autofocus
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Focus point selection5m 54s
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Center-point auto-focus3m 51s
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Servo focus3m 46s
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Filters5m 46s
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Auto-focus and live view5m 2s
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7. Conclusion
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Maintenance14m 40s
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Micro-focus adjustments1m 31s
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Goodbye59s
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Video: Lenses for crop sensor cameras