Class: Senior Secondary School 1 (SS1 / SSS 1)
Term: 1st Term
Week: 8
Age: 15 years
Duration: 45 minutes
Subject: Photography
Curriculum Theme: Trade
Previous Lesson: Properties Of Light: Reflection, Refraction And Dispersion.
Topic: THE CAMERA
Subject Matter: Meaning of camera, Types of cameras, Classification by lenses, Design principles

Specific Objectives

By the end of the lesson, pupils should be able to:

Cognitive Domain:

Define what a camera is.
List and describe different types of cameras.
Explain how cameras are classified by their lenses.
Identify and describe the basic design principles of a camera.

Affective Domain:

Appreciate the technology and innovation behind camera development.
Show interest in exploring different camera types and their uses.

Psychomotor Domain:

Correctly identify various camera types when presented with examples.
Point out key components of a camera based on its design principles.

Participate in discussions about the evolution and impact of cameras in society.
Collaborate with peers to identify and describe camera features.

Reference Materials

The following resources were used in planning this lesson:

9 Years Basic Education Curriculum (Senior Secondary Photography)
State Unified Scheme of Work for Photography (SSS 1)
Adeoye, K. (2018). Comprehensive Photography for Senior Secondary Schools. Lagos: Learnwell Publishers.

Instructional Materials

The teacher will teach this lesson with the aid of:

Digital camera
Analogue camera
Video camera
Camera phone
Whiteboard/Chalkboard
Markers/Chalk
Pictures or diagrams of various camera types

Rationale for the Lesson

Understanding the camera is important for pupils to grasp how images are captured and to appreciate the fundamental tool of photography. This knowledge helps them understand the technology behind visual media, which is useful in various careers and everyday life.

Prerequisite/Previous Knowledge

Pupils have basic knowledge of devices that capture images and may have used a camera phone before.

Lesson Content/Board Summary

THE CAMERA

Meaning of Camera

A camera is an optical instrument used to record images, either individually as a photograph, or as sequences of images as videos or movies. It captures light from objects and focuses it onto a light-sensitive surface (film or digital sensor) to create a visual record.

Types of Cameras

Cameras can be categorised based on their technology and design. The following are common types of cameras:

Analogue Cameras (Film Cameras): These cameras use photographic film to capture images. The film is chemically processed to reveal the image.
Digital Cameras: These cameras use an electronic image sensor to record images as digital data. The images are stored on memory cards and can be viewed instantly.
Video Cameras: Designed to record moving images (video) and sound.
Camera Phones: Integrated cameras found in mobile phones, offering convenience for everyday photography and video recording.

Classification of Cameras by Lenses

Cameras are also classified by the type of lens system they employ. The following are key classifications:

Single Lens Reflex (SLR) / Digital Single Lens Reflex (DSLR) Cameras: These cameras use a mirror and prism system that allows the photographer to see exactly what the lens sees through the viewfinder. The mirror flips up when the shutter is pressed.
Mirrorless Interchangeable Lens Cameras (MILC): These cameras do not have a mirror and prism system. The image sensor is directly exposed to light, and the photographer views the scene through an electronic viewfinder or LCD screen.
Point-and-Shoot Cameras (Compact Cameras): These are simple, automatic cameras with fixed lenses, designed for ease of use.
Large Format Cameras: Often used for professional photography, these cameras use large film sheets and offer high image quality and control over perspective.

Design Principles of a Camera

While cameras vary in design, they share fundamental principles to capture an image. The following are the core design principles:

Light-Tight Box: The camera body is a dark chamber that prevents unwanted light from reaching the light-sensitive material.
Lens: Gathers light from the scene and focuses it onto the sensor or film.
Shutter: Controls the duration for which light is allowed to hit the sensor/film.
Aperture (Diaphragm): Controls the amount of light passing through the lens and affects the depth of field.
Light-Sensitive Material: This is either photographic film (analogue) or a digital sensor (digital) that records the image.
Viewfinder/Screen: Allows the photographer to compose and preview the shot.

Teaching Methods/Instructional Techniques

Discussion, Lecture, Demonstration, Question and Answer, Visual Aids

Instructional Procedures

Step 1: Introduction

Time: 5 minutes
Teaching Skill: Set Induction
Teacher’s Activity: The teacher greets the pupils and asks them to mention any device they know that can capture pictures or videos. The teacher then uses their responses to introduce the topic: The Camera.
Pupils’ Activity: Pupils mention devices like phones, video cameras, and digital cameras. They listen attentively to the introduction of the new topic.
Learning Point: Pupils are engaged and the topic is introduced.

Step 2: Meaning of Camera

Time: 7 minutes
Teaching Skill: Explanation/Definition
Teacher’s Activity: The teacher defines a camera as an optical instrument for recording images. The teacher explains how it works by capturing light onto a light-sensitive surface (film or digital sensor).
Pupils’ Activity: Pupils listen, take notes, and ask questions for clarification. They attempt to define a camera in their own words.
Learning Point: Pupils understand the basic definition and function of a camera.

Step 3: Types of Cameras

Time: 8 minutes
Teaching Skill: Enumeration/Demonstration
Teacher’s Activity: The teacher discusses the different types of cameras (analogue, digital, video, camera phones), showing examples of each using actual devices or pictures. The teacher highlights the key differences between them.
Pupils’ Activity: Pupils observe the examples, ask questions, and identify the various camera types presented. They note down the types.
Learning Point: Pupils can identify and differentiate between various types of cameras.

Step 4: Classification of Cameras by Lenses

Time: 8 minutes
Teaching Skill: Classification/Illustration
Teacher’s Activity: The teacher explains how cameras are classified based on their lens systems, focusing on SLR/DSLR, Mirrorless, Point-and-Shoot, and Large Format cameras. The teacher uses diagrams or pictures to illustrate the differences in their internal mechanisms (e.g., mirror system).
Pupils’ Activity: Pupils listen to the explanations, observe the illustrations, and understand the distinctions between lens-based classifications. They take notes.
Learning Point: Pupils understand how cameras are classified based on their lens technology.

Step 5: Design Principles of a Camera

Time: 7 minutes
Teaching Skill: Explanation/Analysis
Teacher’s Activity: The teacher explains the fundamental design principles of a camera: light-tight box, lens, shutter, aperture, light-sensitive material, and viewfinder/screen. The teacher explains the role of each component in capturing an image.
Pupils’ Activity: Pupils listen, observe, and ask questions. They identify these components on the displayed cameras or diagrams.
Learning Point: Pupils comprehend the essential components and their functions in a camera.

Step 6: Practical Demonstration/Discussion

Time: 5 minutes
Teaching Skill: Practical Application
Teacher’s Activity: The teacher uses an actual digital camera or camera phone to demonstrate some of the discussed principles, such as showing the lens, the screen, and explaining how the shutter button works. The teacher encourages pupils to share their experiences with using cameras.
Pupils’ Activity: Pupils observe the demonstration, ask practical questions, and share their experiences with using different camera devices.
Learning Point: Pupils connect theoretical knowledge with practical examples of cameras.

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

Define a camera.
Mention three types of cameras you know.
How are cameras classified by their lenses? List two classifications.
State any three design principles of a camera.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Pupils demonstrate understanding of the lesson.

Step 8: Conclusion

Time: 2 minutes
Teaching Skill: Summarisation/Assignment
Teacher’s Activity: The teacher summarises the key points of the lesson. The teacher then assigns homework: “Draw and label a simple diagram of a camera, indicating its main parts.”
Pupils’ Activity: Pupils listen to the summary and copy the homework assignment.
Learning Point: The lesson is concluded and learning is reinforced.

Lesson Keywords

Camera – An optical instrument for recording images.
Analogue Camera – A camera that uses photographic film to capture images.
Digital Camera – A camera that uses an electronic sensor to record images as digital data.
SLR/DSLR – A type of camera with a mirror and prism system for viewing through the lens.
Mirrorless Camera – A type of camera that does not use a mirror system, relying on an electronic viewfinder or screen.
Lens – The optical component of a camera that focuses light onto the sensor or film.
Shutter – A mechanism that controls the duration of light exposure to the sensor or film.
Aperture – An opening within the lens that controls the amount of light entering the camera and affects depth of field.

Differentiation

For pupils who grasp concepts quickly, the teacher can challenge them to research the history of the camera or the specific advantages of DSLR versus Mirrorless cameras. For pupils who need more support, the teacher can provide simplified diagrams and allow for peer tutoring or one-on-one explanations.

Note for teachers using this lesson plan

Teachers should ensure they have working examples of different camera types or clear, large pictures/diagrams to aid visual learning. Encourage pupils to bring their camera phones for practical discussion, if appropriate for the school environment. Emphasise the practical applications of understanding camera technology in various fields like journalism, art, and marketing.