how to choose the lens thats right for you

8/2/2019 How to Choose the Lens Thats Right for You

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The Essential Guide to choosing the lens that's right for youby alvincredible on April 9, 2008

Table of Contents

intro: The Essential Guide to choosing the lens that's right for you ........................................................................

step 1: Overview: .............................................................................................................

step 2: Lenses ...............................................................................................................

step 3: Focal Lengths ..........................................................................................................

step 4: The Kinds of Lenses .....................................................................................................

step 5: Choosing Your Lens .....................................................................................................

step 6: Final Words ...........................................................................................................

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intro: The Essential Guide to choosing the lens that's right for youHaving trouble choosing what kind of lens to buy for that new slr?Confused by the numbers and focal lengths?Well no more! You've come to the right place.

This instructable is necessary especially for beginners, but also has tips for even experienced photographers in search of a new lens.

If you liked this instructable, or if it helped you make your decision, then please vote for me in the photojojo contest! thank you

ITS MY BIRTHDAY!!!! 4/9/92!!!is there some sort of instructables birthday package? ahah just kiddinghappy instructabling!

Image Notes1. whoa!

step 1:Overview:In this instructable, you'll learn

about lenseswhat focal lengths meanabout the different kinds of lenses and their relation to focal lengthhow to narrow down your choices and buy the lens of your dreams!

step 2:LensesThe photographic lens, as defined by wikipedia, is "an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of

objects either on photographic film or on other media capable of storing an image chemically or electronically."

Basically, it's either one lense or a series of lenses that'll focus the desired image onto a sensor (for digital cameras) or onto film.

When it comes to P&S and Advanced P&S cameras, the lenses are not removable. So if you buy one of these, you don't even have to worry about making the toughdecision!

On the other hand, DSLR cameras DOhave removable lenses and at times cost much more than the body itself. There are different kinds of lenses for D-SLR's, the mtypes being:

StandardWide AngleTelephotoMacroFisheyeTeleconverter

Each will be explained later in the following steps.Each one is different from the other and will fit your li festyle and artistic style better than others.


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Image Notes1. whoa!

step 3:Focal LengthsWikipedia gives a very in-depth explanation of focal length, and I will try to refine it for you so that even the novice-est photographer can understand!

Focal Length is basically a measure of how strongly light is focused onto a given point. Generally, shorter focal lengths have stronger optical power than longer focallengths.

Focal length affects pictures by "adjusting the camera's distance from the main subject while changing focal length. the main subject can remain the same size, while tother at a different distance changes size." It also determines the angle of view (how much area is covered in the image).(see first picture)

Focal length is expressed in millimeters (mm)

step 4:The Kinds of LensesStandard Lenses (35-70 mm)Standard (Normal) lenses are lenses with a focal length similar to that of the naked eye.A lens with a focal length about equal to the diagonal size of the film or sensor format is known as a normal lens.Lifestyle:This lens can be used for more general use for simply taking everyday pictures. If you plan on using your camera for this reason, you should have this sort o

lens in mind.

Wide Angle (21-35 mm)Wide angle lenses allow you to have a greater field of vision in your images. Basically if you used a standard lens from five feet away from a tree and your picture camout as just the tree trunk and leaves, and you stood at the same distance and used a wide angle lens to take a picture of the same thing, you'd get the tree trunk, leavand people on the side of it that were cut off by the standard lens.Lifestyle:Wide angle lenses are popular with landscape photographers. They are great for highlighting foreground objects with the background almost fading into thedistance. The depth of the picture is therefore accentuated. The most common focal length for a wide angled lens are 24mm and 28mm.

Telephoto (135-300+ mm)Telephoto lenses are simply zoom lenses. It is great for bringing far away objects right up into the meat of the picture. Think of a scope on a sniper rifle. :-)Lifestyle:These lenses are great if you plan on taking photos at sporting events. If you're a parent of an athletic child, you could use this lens to take photos of your sowho plays outfielder and likes to stand really far away.

Great info on telephoto lenses from gmoon and everything2.como:telephoto = long focal length is technically
http://everything2.com/title/telephoto%2520lenshttp://en.wikipedia.org/wiki/Focal_length


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incorrect. Telephoto actually means that the theoretical nodal point of thelens falls somewhere physically outside of the optics (either infront of or behind the glass.) With multiple compound optical elements,it's pretty commonplace. Almost all wide angle lenses are also telephotos

The nodal point is that theoretical point where the light / imagebegins being inverted by the lens.

MacroThese lenses are used to take close up shots of things. They are great for making instructables on things that are small, like when you're showing a picture of where tosolder something. Macro lenses can be tricky to master, but if you know how to use it, they can be quite artsy!Lifestyle:If you're an avid instructabler with out of focus pictures, this one's for you! (If you have a P&S, look up other instructables on how to use the macro setting!)

Fisheye

These are lenses that actually look l ike fisheyes. They are commonly used in action sports photography or videos. They give that bulged-in-the-center look and give yofull 180% angle of view. Pictures look like you're looking through throuhg the lens in your door.Lifestyle:These lenses are good if you're a skater or do other action sports that you want to give an edgy look to in your photos.

TeleconverterThese are basically lens-extenders. They add focal length to your lenses. The reason people don't just buy these instead of buying an actual telephoto lens is quality.Teleconverters tend to reduce the amount of light hitting the sensor, make focusing harder, but these are very useful and a good one is always great to have around.Lifestyle:This is a good lens for you i f you're a on-the-go photographer. They're good if you're on vacation and don't want to carry around a long telephoto lens. You ceasily use it to convert your standard lens to a telephoto in a jiffy to take pictures of that alligator eating your sister's purse 20 feet away

There are lots of kinds of lenses out there, but generally for first-time buyers, these are the kinds to consider.

Image Notes1. standard

Image Notes1. wide angle


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Image Notes1. telephoto2. i found my decision! I'll go for the telephoto! (This is a Nikon, but i'm utterly inlove with Canon. I don't have a D-SLR, but if you have a Canon (preferably xti)and want to give it away, I'm willing to accept it. Oh! and lenses too!

Image Notes1. macro lens

Image Notes1. fisheye lens image

Image Notes1. teleconverter lens

step 5:Choosing Your LensNow that you understand the different lenses and how they relate to your lifestyle. Now's the time to decide.

DIYPhotography.net has some great tips for narrowing down your le

1. First of all, you have to look around and find what kind of lens. This is broad, so narrow it down!Find out what kind of lens you think you need maybe it's two! Let's say its telephoto and macro.Go out and find lenses that'll be right for you: find lenses that'll fit your camera, are within your budget, and maybe even look good to you.

Ask yourself what you would do most with your camera and from there, which lens would fit your needs.

"My lenses are not fast enough - I miss great shots in dark places.My lenses take too long to focus - I miss all those great action shotsMy lenses don't have enough focal length / are not wide enough - I wish I could shoot from further away or I wish I could squeeze more into the frame."
http://www.diyphotography.net/4-steps-for-choosing-your-next-lens


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2. This is important: Research your lens. Find out if it fits. See how much it costs. Find the best prices. Ask your photographer friends if they'd recommend it. Look upreviews on it online. See if it looks sounds and is all around great for you.

3. Finally, decide on your lens. Go out and buy it! After all this work, you're bound to love that new lens even more.

Image Notes1. telephoto2. i found my decision! I'll go for the telephoto! (This is a Nikon, but i'm utterly in love with Canon. I don't have a D-SLR, but if you have a Canon (preferably xti) andwant to give it away, I'm willing to accept it. Oh! and lenses too!

step 6:Final WordsSo according to DIYPhotography.net, you should:

1. Explore your needs

2. Research3. Consult4. Decide

Sounds pretty easy to me!

So if you liked this instructable and felt it was edifying and useful, please vote for it in the Photojojo contest! Thanks! I did a lot of research on this, especially because about to go out and get a new lens for a Canon Xti I'm getting! wwoooot!

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Comments

6 comments Add Comment

doxx says: May 1, 2008. 9:25 PM REPI think your wording is misleading "Focal Length is basically a measure of how strongly light is focused onto a given point" -- focal length does not change tli htin on our sub ect - but es, lon er lenses tend to be slower...

RichardBronosky says: Apr 11, 2008. 12:43 AM REPWhen you don't have money for a variety of lenses, it is instinctive to buy a lens with a wide range. Once you've used the lens for a while, you should goback and poll the meta data from your images to see what focal length you use the most and invest in a lens that is excellent at that. Lenses, like people, abest at doing one thing when they don't try to do a bunch of others. When you spread your effort too thin, you suck at everything.

GorillazMiko says: Apr 9, 2008. 9:12 AM REPCool.Fisheye lens are awesome.

gmoon says: Apr 9, 2008. 5:41 AM REPNice job. One small point, really more an academic one:

It's common usage: telephoto = long focal length is technically incorrect.

Telephoto actually means that the theoretical nodal pointof the lens falls somewhere physically outside of the optics(either in front of or behind the glass.With multiple compound optical elements, it's pretty commonplace. Almost all wide angle lenses are also "telephotos."

The nodal point is that theoretical point where the light / image begins being inverted by the lens.

(anyway, I'm gonna plus ya and vote for it, too.)

alvincredible says: Apr 9, 2008. 7:46 AM REPhahah thanks, i did not know that! ahah I'll update my instructable soon, but right now i gotta go ;-). but thanks for the input and the vote :-)

gmoon says: Apr 9, 2008. 8:00 AM REPSure. It might be more correct to categorize the wide angle as "retro focus," although my photo teachers in college used "retro" and "telephoto"interchangeably, as both have nodal points outside of the optics.

But you get the idea--a long focal length lens isn't necessarily a "telephoto." Like I said originally, this is more academic than practical--people willcontinue to call the long lenses "telephotos," no matter what...

See this source, the second entry.
http://everything2.com/title/telephoto%2520lenshttp://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/gmoon/http://www.instructables.com/member/gmoon/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/alvincredible/http://www.instructables.com/member/alvincredible/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/gmoon/http://www.instructables.com/member/gmoon/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/GorillazMiko/http://www.instructables.com/member/GorillazMiko/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/RichardBronosky/http://www.instructables.com/member/RichardBronosky/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#DISCUSShttp://www.instructables.com/member/doxx/http://www.instructables.com/member/doxx/http://www.instructables.com/id/How-to-choose-the-lens-thats-right-for-you/#commentshttp://www.instructables.com/community/Instructables-Store-Sale/?utm_source=pdf&utm_medium=tshirt

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