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Our mission

“is simply to teach the fundamentals of digital photography to photography enthusiasts, in a holistic, fun & approachable way.”

I Love Photography is all about super fun and educational digital photography courses, photography tips, classes, techniques and photography blog for everyday people who own a digital camera and want to know how to further their knowledge and skills in digital photography.

The I love photography network was started by an award winning portrait and wedding photographer, Emily Hanna of esh photography, because she loves photography and wants to share her 15+ years of experience in the photography industry with others in a simple and friendly way.

What we offer

We offer weekend photography courses, one-on-one tutorial sessions, tips and techniques on our blog and digital photo editing classes.

Working With AF Modes – The 7 Essential Things That You Need To Know

What is Auto-focusing?

Auto-focusing is the process of locking focus or creating a sharp image of a subject on to the imaging sensor. This is achieved via an array of sensors and focusing motors located inside the camera and the lens working in tandem. The main architect of ensuring that a camera is auto-focusing without issues are the auto-focusing sensors. These sensors are located at the base of a DSLR camera. In modern mirrorless cameras, the main sensor performs the dual role of auto-focusing as well as recording of images.

Types of Auto-focusing

There are mainly two types of auto-focusing technologies in vogue. One is Active auto-focusing and the other is the Passive auto-focusing.

 

Passive Auto-focusing

Passive auto-focusing is the most widely used auto-focusing mechanism on DSLRs as well as other types of cameras. Passive auto-focusing uses two different technologies for calculating the distance between sensor and subject and then accurately locking focus. These are –

Phase Detection Auto-focusing

Phase detection auto-focusing works by employing a secondary phase-detection mirror behind the main reflex mirror. This mirror splits the light beam into two distinct beams. The two light beams create two pictures which are then analyzed to check for distance and other parameters. A motor then drives the focusing elements on the lens and attempts to bring the two images together. That in the process creates a sharp image on to the main sensor.

There are many different types of phase-detection auto-focusing mechanisms available in the market. But the two main types are – one where an array of sensors is located at the bottom of the main mirror and the second where the actual pixels on the main sensor doubles up as phase detection sensors.

Contrast Detection Auto-focusing

The second type is Contrast Detection Auto Focusing. Contrast detection auto-focusing is a slightly different technology. It still works on the fundamentals of auto-focusing, but here instead of splitting the light beam into two and then analyzing those two images, the sensor inside the camera analyses contrast. It does so by pushing the focusing mechanism back and forth. Ever so slightly. Then analyzing the improvement or detriment achieved in contrast. You would find your camera ‘hunting’ for focus as the point of sharpest focus is achieved and then the image getting blurred to back again achieving sharpest focus. The fundamental thinking behind this technique is that focus is sharpest where contrast is the highest.

Auto-focus Modes

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There are three Auto-focus modes that are readily available on most cameras. These are Single-shot Auto-focus, Continuous Auto-focus, and Hybrid Auto-focus.  Single-shot Auto-focus denotes that the camera locks focus just once. This is useful for portraits, landscapes, architecture and those sorts of subjects which are not moving about. Continuous Auto-focusing is used for subjects that are moving about. These would be kids playing in the park, wild animals, birds, fast action, etc. The final mode is the Hybrid mode. In this mode, the camera starts off in single-shot auto-focus mode. Now, if the subject moves the camera automatically switches to Continuous auto-focusing. The advantage of this mode is that the camera automatically makes the decision based on the data already inside it. This eliminates any human errors like not switching to the right mode when it is necessitated.

 

Active Auto-focusing

Examples of Active auto-focusing are very few as they employ actively measuring the distance between the sensor and the subject being photographed. They are very difficult to be implemented in a cost-effective manner in modern digital cameras. But some cameras do have them such as the ones which have an active IR light emitting from the camera to determine the distance between the subject and the sensor.

 

Manual Focusing Override

Manual focusing override is an important part of the auto-focusing mechanism. It allows the photographer to manually adjust the focus by turning the manual focus ring even though auto-focus is engaged. You will find some manufacturers labeling this technology as FTM or full-time manual focusing override. Of course, this depends from manufacturer to manufacturer. 

Focusing Delimiter

The Focus Delimiter button is very helpful in tele-lenses. Tele-lenses because of the nature of these lenses have a long focusing range. A subject at infinity such as a wild elephant standing at 100 feet would always have to be focused at infinity. A standard telephoto lens like would come with three focusing ranges. One that would allow the lens to look for focus across the focusing range, and two others that would split the focusing range into two. if you know at what distance your subject would be it is better to choose a limited focusing range because it helps in speeding the whole process of focusing.

Focus Lock

The focus lock button is denoted by the alphabets AF-L. Or something in that line depending on the manufacture. The Focus Lock button has one main purpose. That is to lock focus after you have manually or by half-pressing, the shutter release achieved focus where you want to. This is useful for product photography as well as for macro photography and for landscape. There is usually a lever at the back of the camera with the letters AF-L or equivalent that allows you to do that. An alternate option would be to switch to manual focusing after you have achieved focus.

Cheap lens series: The 35mm prime

What is a 35mm prime lens?

In the world of DSLR lenses the 35mm prime lens is a widely revered one. It is a standard fixed focal length lens with sharp image quality and practical everyday use. Mind you this is not a zoom lens. So, the only way you could zoom is if you move your feet. Too tight a frame? Step back a few paces. Too much negative space around the subject? Step forward for a tighter composition. As you can imagine this is not the type of lens that would make zoomers happy. Prime lenses are designed for optical superiority and they are widely considered as a hard working photographer’s lens.

Prime lenses vs. zoom lenses

You may have heard protographers going ga-ga over the quality of prime lenses. This debate of prime vs. zoom will always find arguments on either side. We are not going to delve too much into this. One thing I would, however, mention is primes are primed (pun intended) for optical superiority. Zoom lenses have too much on their plate and that sometimes tend to weigh down on their performance.

Advantages of the 35m prime

The 35mm prime is considered as a standard prime. The 50mm and the 40mm prime lenses are also considered as standard primes. Standard being close to the focal length of the human eye. While that is just a statement and warrant a much deeper discussion (beyond the purview of this article), consider just this – a standard prime gives us the same angle of view which is roughly the equivalent of the human eye.

35mm prime lenses come optimized for both full-frame 35mm as well as crop sensor powered cameras. Canon currently, however, don’t sell a lens specifically designed for its smaller crop sensor cameras. Nikkor on the other hand does. Having said that EF-S mount cameras can use lenses designed for the EF mount. Thus Canon’s 35mm lenses designed for full-frame cameras work on its smaller sensor cameras.

A 35mm lens when mounted on APS-C sensor based digital cameras gives a slightly smaller angle of view. This happens because of the crop factor. For those who are not aware of this, very quickly, the crop factor denotes what the effective focal length will be when a lens designed for a bigger camera is used on a smaller camera (given the lens mount is compatible). This happens because the sensor behind the lens is only going to use a small portion of the image coming through the lens.

On a Nikon DX format camera the crop factor is 1.5. Which means a 35mm prime becomes a 52mm prime. On a Canon the crop factor is 1.6. It results in the angle of view becoming the same as a 56mm lens mounted on a 35mm camera. Focal lengths (and effective focal lengths) are always expressed in 35mm format terms.

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Ergonomics, weight and build quality

35mm lenses are no-fuss optical tools. They are, as mentioned before, designed for optical superiority and that gives them a real edge compared to zoom lenses. Even the cheapest prime lens will give a well-made zoom lens a run for its money.

35mm primes are lighter compared to zooms that cover the same focal length. This is because zoom lenses are composed of a number of lens elements which enable it to alter the focal length. It also has focusing elements and in some cases image stabilization elements too. On top of it modern auto-focusing lenses have AF motors built into them. All that adds to the bulk. Comparatively, older lenses such as the legendary Nikkon 35mm f/1.4 manual focusing lens has no image stabilization, no auto-focusing motor and no zoom lens elements. It is lighter but is designed with a single purpose – optical superiority. You won’t get anything as sharp and with such beautiful color rendition, even though the lens is more than three decades old!

Maximum aperture

Another benefit of the 35mm prime and for that matter all primes is that they are blessed with fast apertures. Faster apertures does two things. A - They gather more light, which, especially in low light situations, can help you to capture better images sans noise. The second benefit is you can really close down the depth of field to a narrow slit of focus obliterating everything else in the frame. Such shallow depths of field has its own uses in photography. It is capable of producing beautiful bokeh; something that is imperative for isolating a subject from its background.

Long Exposure Photography – A Beginner’s Guide

Long Exposure Photography – A Beginner’s Guide

One of the creative applications for the shutter priority mode is shooting long exposures. Long exposure photography is the art of shooting with long shutter speed. Though it sounds like an oxymoron, long shutter speed is the easy way to express this long exposure photography technique.

Bad weather is great for photography

Bad weather is great for photography

Does bad weather always serve as your cue to retire to the relative safety of your home? The thought to venture out to make photos never ever crosses your mind? If your answer to the above is in the affirmative you are the type of photographer who does not believe in the golden words – bad weather is good for digital photography

Any camera will do, any lens wouldn’t

The phrase above, which also happens to be the title of this article, is an oft used metaphor in photography. It’s used to signify a truth that often is misunderstood, especially by beginners. Ever since DSLR camera and camera lenses came on to the market, it has become ostensibly easy to get into serious photography. Well, at least if you go only by the gear that a photographer wields.

This happened to me and I am sure I am not an exception. I used to think just because I am shooting with a point and shoot camera I will never be able to produce images of the same standard as someone shooting with a professional camera and a bazooka-like lens. Then when I graduated to a DSLR camera, I thought those with medium format cameras are probably shooting even better! Then, when I saw people submitting photos shot with smartphones and getting recognised on National Geographic, my perception changed forever. Now when I think back I feel how naïve I was!

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Day 1 - theory & technical
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Inspiration is everything

If you are looking for inspiration to shoot great images - get out and get inspired. Don’t just stay indoors watching camera reviews. A digital camera is just a mere box. All it does is capture light the way you dictate it. It can’t and won’t take photos on its own. It does not know whether you are shooting a bush or a rose or the Zhangjiajie forests. It has no brains. It is like an automobile. It might have great features but someone’s still got to drive it.

What about camera lenses?

Now, if you talk about a lens, it is a completely different thing. You may ask why? I don’t suppose a lens has got brains? No it doesn’t. But there is still a significant difference between a lens and a DSLR Camera. The lens is an extension of your eyes. What you see and how you choose to see it translates ultimately into the photo that you make. The lens just helps you to capture that photo. The camera simply records what the lens sees.

Scenario 1

So, let’s say you are standing in front of a meadow with bright yellow sunflowers. Now imagine yourself taking a picture from your eye level. Let’s say with an 18-55mm kit lens set to 50mm. What you get is an image that every other passing tourist or nature lover gets – a disappointing composition of nothingness. Rather than using an 18-55mm lens you should have opted for a wider lens, let’s say a 12-24mm lens set to 12mm and f/8. The wider lens gives a much wider coverage, a greater depth of field and a much sharper image because of the general quality of the lens, which is way better than the kit lens. Of course a few more tricks would have to be used. One of them is shooting from a low angle and keeping one of the sunflowers tack sharp as the focal point of the image. Overall the image quality would be much better.

 

Scenario 2

Let’s say you want to shoot a portrait session with a high-key lighting setup. Let’s add to that a requirement to produce an extremely shallow depth of field. One of the best portrait lenses is the Nikon 135mm f/2 DC. Set at its widest aperture of f/2 you can create an extremely sharp focal point, which without any question should be the eyes of the subject and then blur out the rest of the image. With a kit lens like the 18-55mm with a maximum aperture of f/5.6 at 55mm this would be impossible.

 

 

 

 

Scenario 3

Another example of horses for courses could be the need for macro perspectives. Macro lenses basically increases the gap between the focal plane and the optical center of the lens. The optical center of the lens is where the rays of light emanating from the subject converges. I have covered this topic in detail in another article on this website.

With a macro lens the gap between the optical center and the focal plane increases as such the image becomes magnified. The minimum working distance between the lens and the subject also decreases which allows you to get much closer to the subject. This is something that kit lenses or tele-lenses are incapable of achieving.

Photo tips? Here’s the one you really need to get started

As you have just read, each of the above scenarios required a lens that is tailor-made for it. Thus, buying just one lens or for that matter any lens will not suffice. If you are here looking for digital photography lessons, here’s your first. Don’t spend most of your money on the camera body and then get the cheapest lens you can lay your hands on. Instead, get a reasonable body and then spend a majority of your money on the best lens/lenses you can afford. What to do with the balance amount? Well, that bit will be discussed at some other time in some other article on photo tips.

5 tips to make better portraits indoors (using flash)

5 tips to make better portraits indoors (using flash)

Many of the basic lighting principles of digital photography and other photography tips that we shared in a previous article on outdoor portraits with flash are equally applicable for indoor portraiture. This article looks a few different scenarios for indoor portrait lighting.

What are the auto modes on a DSLR Camera?

What are the auto modes on a DSLR Camera?

It is indeed a paradoxical title the one we deal here. You would believe that the sole purpose of a DSLR camera is to ensure that one does not have to rely on the auto mode. Yet, time and again, we find ourselves fiddling with the buttons and dials on our camera.

So what are those auto modes rather auto features on your camera?

What does the mm measurement on a digital camera lens mean?

What does the mm measurement on a digital camera lens mean?

The digital camera lens is a piece of optical wonder! Whether it is the 50mm prime or the very sharp 85mm prime or the ubiquitous 18-55mm zoom, all lenses share one significant marking that is standard across all makes and all types of lenses. That is the ‘mm’ marking. Learn about what mm means exactly.

Camera Talk 101

Camera Talk 101

When you're just starting out with digital photography and your new fancy DSLR camera, you almost have to learn a whole new language. It can be hard to keep up with all the photography lingo. This post spells out in normal speak, some of the more common digital photography terms.

All photography is licensed under a Creative Commons Licence | esh photography