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Macro

Lesson 59 from: Fundamentals of Photography

John Greengo

Macro

Lesson 59 from: Fundamentals of Photography

John Greengo

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Lesson Info

59. Macro

Summary (Generated from Transcript)

In this lesson, the instructor discusses the fundamentals of macro photography. He explains that macro lenses allow for focusing very close and achieving a reproduction ratio of 1:1, where the object size and image size are exactly the same. He also discusses the benefits of using macro lenses and different focal lengths for macro work. Additionally, he introduces extension tubes as a more affordable alternative to macro lenses and explains how they can be used to extend the lens to focus closer. The instructor also briefly mentions close-up filters and macro rails as other options for macro photography.

Q&A:

  1. What are macro lenses?

    Macro lenses are lenses specifically designed for close-up photography, allowing for focusing very close and achieving a reproduction ratio of 1:1.

  2. What is reproduction ratio?

    Reproduction ratio refers to the ratio between the object size and the image size on the camera's sensor or film. A reproduction ratio of 1:1 means that the object size and image size are exactly the same.

  3. How does the reproduction ratio affect the size of the subject in the frame?

    With a 1:1 reproduction ratio, the subject will fill the frame from top to bottom but not completely from side to side. On a cropped frame camera, the subject will be slightly cropped in, resulting in a smaller image size.

  4. What are the benefits of using macro lenses?

    Macro lenses allow for focusing very close and achieving high magnification, making them ideal for capturing small details and subjects. They are also generally very sharp and versatile, as they can focus from infinity to very close distances.

  5. What are extension tubes?

    Extension tubes are mechanical devices that are used to physically hold the lens a little further away from the camera body, allowing for closer focusing and increased magnification. They do not contain any glass elements.

  6. How do extension tubes compare to macro lenses?

    While extension tubes can be a more affordable option for macro photography, they are not as good as true macro lenses in terms of sharpness and image quality. However, they can still provide good results and are a great way to get started in macro photography.

  7. What are close-up filters?

    Close-up filters are filters that can be screwed onto the front of any lens to allow for closer focusing. However, they can be limited in how close they can get and may affect image quality, particularly in the corners.

  8. What are macro rails?

    Macro rails are used in macro photography to make very precise movements of the camera forward and backward for focusing. They are particularly useful when manual focusing is preferred over autofocus.

Next Lesson: Flash & Lighting

Lessons

Class Trailer
1

Class Introduction

23:32
2

Photographic Characteristics

06:46
3

Camera Types

03:03
4

Viewing System

22:09
5

Lens System

24:38
6

Shutter System

12:56
7

Shutter Speed Basics

10:16
8

Shutter Speed Effects

31:57
9

Camera & Lens Stabilization

11:06
10

Quiz: Shutter Speeds

07:55
11

Camera Settings Overview

16:12
12

Drive Mode & Buffer

04:24
13

Camera Settings - Details

10:21
14

Sensor Size: Basics

18:26
15

Sensor Sizes: Compared

24:52
16

The Sensor - Pixels

22:49
17

Sensor Size - ISO

26:59
18

Focal Length

11:36
19

Angle of View

31:29
20

Practicing Angle of View

04:59
21

Quiz: Focal Length

08:15
22

Fisheye Lens

12:32
23

Tilt & Shift Lens

20:37
24

Subject Zone

13:16
25

Lens Speed

09:03
26

Aperture

08:25
27

Depth of Field (DOF)

21:46
28

Quiz: Apertures

08:22
29

Lens Quality

07:06
30

Light Meter Basics

09:04
31

Histogram

11:48
32

Quiz: Histogram

09:07
33

Dynamic Range

07:25
34

Exposure Modes

35:15
35

Sunny 16 Rule

04:31
36

Exposure Bracketing

08:08
37

Exposure Values

20:01
38

Quiz: Exposure

20:44
39

Focusing Basics

13:08
40

Auto Focus (AF)

24:39
41

Focus Points

17:18
42

Focus Tracking

19:26
43

Focusing Q&A

06:40
44

Manual Focus

07:14
45

Digital Focus Assistance

07:35
46

Shutter Speeds & Depth of Field (DOF)

05:18
47

Quiz: Depth of Field

15:54
48

DOF Preview & Focusing Screens

04:55
49

Lens Sharpness

11:08
50

Camera Movement

11:29
51

Advanced Techniques

15:15
52

Quiz: Hyperfocal Distance

07:14
53

Auto Focus Calibration

05:15
54

Focus Stacking

07:58
55

Quiz: Focus Problems

18:54
56

Camera Accessories

32:41
57

Lens Accessories

29:24
58

Lens Adaptors & Cleaning

13:14
59

Macro

13:02
60

Flash & Lighting

04:47
61

Tripods

14:13
62

Cases

06:07
63

Being a Photographer

11:29
64

Natural Light: Direct Sunlight

28:37
65

Natural Light: Indirect Sunlight

15:57
66

Natural Light: Mixed

04:20
67

Twilight: Sunrise & Sunset Light

22:21
68

Cloud & Color Pop: Sunrise & Sunset Light

06:40
69

Silhouette & Starburst: Sunrise & Sunset Light

07:28
70

Golden Hour: Sunrise & Sunset Light

07:52
71

Quiz: Lighting

05:42
72

Light Management

10:46
73

Flash Fundamentals

12:06
74

Speedlights

04:12
75

Built-In & Add-On Flash

10:47
76

Off-Camera Flash

25:48
77

Off-Camera Flash For Portraits

15:36
78

Advanced Flash Techniques

08:22
79

Editing Assessments & Goals

08:57
80

Editing Set-Up

06:59
81

Importing Images

03:59
82

Organizing Your Images

32:41
83

Culling Images

13:57
84

Categories of Development

30:59
85

Adjusting Exposure

08:03
86

Remove Distractions

04:02
87

Cropping Your Images

09:53
88

Composition Basics

26:36
89

Point of View

28:56
90

Angle of View

14:35
91

Subject Placement

23:22
92

Framing Your Shot

07:27
93

Foreground & Background & Scale

03:51
94

Rule of Odds

05:00
95

Bad Composition

07:31
96

Multi-Shot Techniques

19:08
97

Pixel Shift, Time Lapse, Selective Cloning & Noise Reduction

12:24
98

Human Vision vs The Camera

23:32
99

Visual Perception

10:43
100

Quiz: Visual Balance

14:05
101

Visual Drama

16:45
102

Elements of Design

09:24
103

Texture & Negative Space

03:57
104

Black & White & Color

10:33
105

The Photographic Process

09:08
106

Working the Shot

25:29
107

What Makes a Great Photograph?

07:01

Lesson Info

Macro

The next big section we wanna talk about is macro. So anyone who wants to focus closer, there are a number of ways of getting closer. And most of the manufacturers, like Nikon and Canon, they're gonna have some nice portrait lenses at a particular short telephoto length that are really good optical lenses. But one of the things is that these lenses are very poor at focusing close-up. And so they have designed special lenses that are either called micro or macro. It's just their names for either very small or very large, which is just different ways of thinking about the same thing. They do the same thing. They allow you to focus very, very close. And if you wanna get into a macro lens, there is one thing that you really need to know, and that is reproduction ratio and what that means and what your lens is rated at. The gold standard is 1:1 reproduction ratio on a lens. That is a good macro lens. There are different ones out there. And this means where the object size and the image size...

are exactly the same. And this was much easier to figure out in the days of film where we could actually see the image size that we were recording. Now it's a sensor in the camera. Alright, so if we're gonna photograph a quarter or a euro, which is real close to one inch in size, if we use a 1:1 macro lens, that coin is gonna be exactly the same size on that piece of film. Alright, since we're not shooting with film in most cases now, it's gonna be that size on the sensor. And so it's going to fill the frame from top to bottom in the sensor, but not quite from side to side, because it's a little bit wider in that case. If you are using a cropped frame camera with a 1:1 reproduction ratio, it means you're gonna get the same size coin, but you're kind of cropped in on it a little bit, so it does, in some ways, a better job at getting in close as far as getting in all those pixels in a closer area. And so if you have a lens that goes down to 1:1, you have a very good macro lens. It's gonna give you a lot of versatility. Now, it's gonna be able to focus up very close, but it can also focus to infinity, so you can use it for multiple purposes. Some lenses are half life-size, 1:2 macro range, and so this is gonna be half the size on the sensor, or on the film in this case. Half size on a crop frame is gonna be pretty much filling the frame. Not quite completely there. When you get a macro lens, it not only has meters and feet, but it also has the reproduction ratio. So you can turn the lens to the reproduction ratio that you want, like if you're photographing something and you know that you needed a third of life size, then you could set it at 1:3. Now, the way it says 1:3 will depend on how your camera's lenses have its data set up. Half-life size is gonna be right here. And 1:1 is gonna be right here. Now if you don't have the focusing scale on your lens... Your camera may not. This is something that's kind of unique to Nikon and Canon that has those focusing scales on it. You won't see this on many of the other mirrorless cameras out there. But when you get in here to shoot 1:1, you're very close up. This is also known as a 1x magnification, because the object in real life is gonna be the exact same size on the device that is recording it. It's the same size. Half-life size would be 0.5x magnification, which is still pretty good for a lot of things. Quarter life size would be 0.25x, and you can go down the line here. Now, let's look at some lenses. A variety of lenses. The worst lens for close-up magnification with most manufacturers is your standard portrait lens. It's gonna have a magnification of about 0.12x, which is relatively low. Some lenses, you know, this is the basic 18- is actually pretty good at close-up work at 0.31x. Remember, 1.0 is really good, so we're working our way up. Some of the tilt shift lenses. This one, a perspective control one from Nikon, is 0.5x magnification, and it's close enough that they'll put the word "micro" in the name of the lens. It's good at close-up. One of the best zoom lenses for close-up work is the Canon 24-70 F/4. It's got a special little lever that you turn to get it into its macro range, and it does 0.7x, which is near on what a full macro lens will do. But if you do wanna do full macro, those are the ones that are gonna do a 1x magnification or a reproduction ratio of 1:1. We'll look at a few of the popular setups here. Nikon has two different lenses that are designed exclusively for the DX system for macro work of different focal lengths. Then when it comes to their full frame, they'll have even more selections. And in general, as you go up in focal lengths, you go up in the seriousness of how serious you are about shooting macro work. I know when I got started I had a basic lens, and now I have one that's double the focal length. Canon has one lens designed for their crop frame sensors. They have an old 50 that really needs replacement. They have an unusual 65 that does 1x-5x magnification, so this goes much beyond what most lenses would do. It's not good for focusing on infinity, but on close-up stuff, it will do up to 5x magnification, so you can really get down very, very small with that. And then they have the 100 in 180. So the difference between the focal lengths will affect in how close you are to your subject. With a 60mm lens, you're gonna be moderately close to your subject, and so, just some measurements that I took off of some charts here. If you are working with a 100mm lens, that's gonna give you more working distance so that you're not disturbing your subject so that you can light your subject or have reflectors around it, and those who are really serious into it will have a 200 or so millimeter lens which allows you even more working distance between your subject. And so the question is how close are you to your subject? And for basic macro work, it's okay that you're right here, but you're starting to cast shadows depending on where the lights are. And so it's nice if you're able to stay back here. These are also generally the sharpest lenses that you'll be able to buy for the money. They're just really, really sharp, accurate lenses. If you were doing copy work, if you were documenting stuff for a museum, for instance, these would be really good lenses to work with. If you were doing sort of copy work for an art gallery, I would probably have a 60mm lens. Because sometimes the artwork is so big, it's hard to back up far enough if they have a big five foot painting. With a 200mm lens, you may not have a controlled environment for doing that, and so they make a variety of these. And for most photographers the 105mm is kinda the sweet spot where they can get into photography, and that's what I have right now, and it's good for general purpose, nature things that you'll find. And there's a whole world that you can get into, and that is a whole photography class unto itself is getting into the world of macro photography. 'Cause there are things that you walk by and you just don't even notice with your own eyes until you get in there and start exploring them with a macro lens. And so it's definitely one of those third or fourth bonus lenses that can be fun to bring along. It's not usually the standard lens that most people have. And so this is the sharpest way to shoot small objects. I'm gonna give you some other options, but this is the sharpest way. This is the best way of doing it. And these are also really good portrait lenses. So if you want a lens that does double duty, portrait and close-up work, there's a number of wedding photographers who will do the ring shots with this but they'll also shoot their portraits with it. Because these are often with an aperture of 2.8. Okay, it's not the fastest in the world, but it's good enough for getting reasonable, shallow depth of field. And so, they're really good items to work with. But sometimes it's a bit more than everyone needs. And so there's a way to dabble in the world of macro photography, and that is with extension tubes. And extension tubes are kind of interesting because there is no glass in them. I have a couple of them right here. And so these are devices that are mechanical devices that are designed to physically hold a lens a little bit away from the camera body. And I can use one, or I can use the other, or I can use them both together. And I could add 'em up. My friends had 'em. I could add those onto there. And there's people who've done experiments where they have a whole lens that's extended out this far. And it's a real simple way of extending the lens to focus up closer. So what you're gonna do is you're gonna mount it between the body and the lens. And one of the key factors is the width of this device. Is it 12 millimeters? Is it 25 millimeters? How much space do you get? And there's a variety of manufacturers that make them after market for different lenses as well. And you can stack 'em together, and because there's no optics in there, you're not losing anything by adding optics into the equation here. You're using the natural ability of the lens. However, you may be using the natural ability of the lens, but close-up lenses are optically adjusted for focusing up close, and so they will be sharper than this because there are some lenses, yeah, you can get it to focus up close, but it's not as good as a true macro lens. It's still really good. Now, how much of a difference does it make? So on the top left you see my 70- just at the minimum distance adding in the 12mm, the 25mm and then both tubes together. And so it can really help out. It's lightweight, it's cheap, and it can be added to all of your lenses. They typically work best on normal to telephoto lenses. They work totally fine on zoom lenses. And so if you said, you know what? I might wanna play around a little bit in the macro world, this is a great starter kit to get started into it. Now, it's still not as good as a full macro lens. Alright, so that when you do get into a macro lens, you still will be able to get in closer. And before you ask the question, yes, you can add a macro lens with extension tubes and get even closer if you want, alright? And so there's a variety of manufacturers that make these. Canon and Nikon make them for their own, but there's other companies that make 'em as well. And because there's no glass in there, all I want is just send me the electronic information, let me use auto-focus if I want it, pass the aperture information through. Just send the electronics through. But it doesn't have to be done. You could just do it all mechanically if you want. Now another warning on this is that when you do add this, because you're moving the lens away from the body, you are lessening the amount of light. That light has to travel further, so less light gets into the sensor. So it is changing your exposure. If you add this onto your lens, mount it onto your camera, your camera's meter will be able to figure it out at that point. It's just that if you have it without it, figure out what your shutter speeds and apertures are, and then just add it to the equation, that's when you need to do that sort of adjustment. And so, that is, I think, my preferred system for most people get into close-up work. Another system I'll talk about... I'm talking about it, but I'm not recommending it. Okay, is that clear? A close-up filter allows you to screw this on the front of any lens and it allows you to focus a bit closer. Traditionally these have been harder to produce optically well for a variety of lenses and they tend to be a little bit soft in the corner. And so the downside is that you need to get it fitted for each lens that you might wanna use it on, and it's limited in how close it can get, and so it's a relatively inexpensive option. But I think the extension tubes are a much better value. They may be slightly bigger, but they're still pretty cheap and easy to work with and they will retain higher quality than the close-up filters. If you get into macro photography, you may need macro rails because one of the things that you learn very quickly in the world of macro photography is that it's just a whole lot easier to manually focus. Auto-focus tends to have a lot of hunt room back and forth, and so a lot of people will just set it manually and the way that you focus then is you move the camera forward or you bring the camera back, and you just figure out where that is. And so what these will be used for is you get the camera pretty much in the right position and you'll focus by moving the camera forward and back on these rails. And then some of the fancy ones, you know, if you're a little bit off, it's hard to move... Pick up your tripod and move it three millimeters. You know, it just doesn't work out very well, so having these allows you to make those very precise movements in that area. So if you do a lot of macro work, check into some of these macro rails for very, very precise framing.

Class Materials

Bonus Materials with Purchase

Fundamentals of Photography Class Outline
Learning Projects Workbook
Camera Keynote PDF
Sensor Keynote PDF
Lens Keynote PDF
Exposure Keynote PDF
Focus Keynote PDF
Gadgets Keynote PDF
Lighting Keynote PDF
Editing Keynote PDF
Composition Keynote PDF
Photographic Vision Keynote PDF

Ratings and Reviews

a Creativelive Student
 

Love love all John Greengo classes! Wish to have had him decades ago with this info, but no internet then!! John is the greatest photography teacher I have seen out there, and I watch a lot of Creative Live classes and folks on YouTube too. John is so detailed and there are a ton of ah ha moments for me and I know lots of others. I think I own 4 John Greengo classes so far and want to add this one and Travel Photography!! I just drop everything to watch John on Creative Live. I wish sometime soon he would teach a Lightroom class and his knowledge on photography post editing.!!! That would probably take a LOT OF TIME but I know John would explain it soooooo good, like he does all his Photography classes!! Thank you Creative Live for having such a wonderful instructor with John Greengo!! Make more classes John, for just love them and soak it up! There is soooo much to learn and sometimes just so overwhelming. Is there anyway you might do a Motivation class!!?? Like do this button for this day, and try this technique for a week, or post this subject for this week, etc. Motivation and inspiration, and playing around with what you teach, needed so much and would be so fun.!! Just saying??? Awaiting gadgets class now, while waiting for lunch break to be over. All the filters and gadgets, oh my. Thank you thank you for all you teach John, You are truly a wonderful wonderful instructor and I would highly recommend folks listening and buying your classes.

Eve
 

I don't think that adjectives like beautiful, fantastic or excellent can describe the course and classes with John Greengo well enough. I've just bought my first camera and I am a total amateur but I fell in love with photography while watching the classes with John. It is fun, clear, understandable, entertaining, informative and and and. He is not only a fabulous photographer but a great teacher as well. Easy to follow, clear explanations and fantastic visuals. The only disadvantage I can list here that he is sooooo good that keeps me from going out to shoot as I am just glued to the screen. :-) Don't miss it and well worth the money invested! Thank you John!

JUAN SOL
 

Dear John, thanks for this outstanding classes. You are not only a great photographer and instructor, but your classes are pleasant, they are not boring, with a good sense of humor, they go straight to the point and have a good time listening to you. Please, keep teaching what you like most, and I will continue to look for your classes. And thanks for using a plain English, that it's important for people who has another language as native language. Thanks again, Juan

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