Understanding telephoto lenses is the easy share of selecting a lens to buy for your digital SLR camera. Selecting the right lens in the shape and size that fits your needs is the hard part! There are only a few major camera brands and models to choose a camera from but the number of lenses available will make your head spin! How do you find the best Nikon telephoto lenses? How do you select the best telephoto lens for an Olympus camera? How do you know which telephoto lenses for Canon Rebel cameras are right for the right job? Which sigma telephoto lenses for Nikon D80 is the one for you? Where do you go to get telephoto lenses explained?

If you are overwhelmed by the selections you are not alone. Digital SLR lenses come in all shapes and sized and prices! Some are for novice photographers and others are designed specifically for masters who need a studio work lens like a Tiffen close up lens or journalists need sports telephoto lenses.

So let’s have a look at the basi principles of lens selection and the driving elements for this crucial and potentially actually highpriced investment:

1. Camera Type – what brand of camera you have DOES determine lens compatibility. Not all brands are interchangeable. Just like cars, manufacturers won’t you committed to their brand. Camera lenses now ought to ‘talk’ to the camera. That is how aperture settings get mechanically changed by the camera’s input. Due to that your camera and your lens have to speak the same ‘language’…the language of Nikon lenses to Nikon cameras and Canon lies to Canon Camera.
2. Lens Mount – the lens mount is the way the lens ‘fits’ on the camera body. Manufacturers have their own specific design so that you will have to buy lenses specific to that camera and that manufacturer. There are third party lens manufacturers but when selecting one of their lenses you must select the style of lens with your camera brand’s compatible mount.
3. Right Lens for Right Job – knowing what you intend to use the lens to capture helps you narrow the decision of the type of lens to purchase. You ought to recognise the focal length of the types of pictures you wish to take as well as the greatest or most complete or best possible aperture. A normal lens is akin to what the humane eye sees (usually a 50mm lens that comes standard on a 35 mm camera). A zoom lens (telephoto lens) lets us ‘see’ beyond the humane eye. We may ‘see’ much further with a telephoto lens than we may normally. It enhances and elaborates our view. The more prominent the lens number in mm the more outstanding the distance the lens may shoot. If you are shooting birds on the far side of the river you will want a 300-750mm perhaps. If you are on the sidelines at your kids’ lacrosse game you might prefer a 200-500mm lens. Like your dad always said, “Choose the right tool for the right job!”

It does not matter if you are looking for the best Nikon telephoto lenses or telephoto lenses for Canon Rebel cameras. Even if you want to find the right Sigma camera lens that are compatible with your Olympus DSLR, selection is all based on personal choice of digital lens length and understanding telephoto lenses.

The Lens The Looker Book 1 Of The

It’s the 24th century and humans, with the support of artificial intelligences, (A.I.s) have in the long run formulated the perfective society. To make evenly perfective citizens for this world, the elders have produced History Camps, full-sized recreations of cities from Earth’s distant pasts. Here teens live the way their ancestors did, doing the same dirty jobs and experiences the same degradations. History Camps instruct youths not to repeat the faults that closely caused the planet to die. But not everything goes to plan.Like in all groups of youth, there are those who rebel, “hard cases” who just don’t get it. In this firstborn installment of a trilogy, three spoiled teens from the year 2347 are kidnapped back in time to 1347 Verona, Italy. There they are abandoned and left with only two choices: adjust to the harsh medieval ways, or die. Hansum, closely 17, is good looking, athletic and, as his A.I. teacher says, he may charm the fuzz off a peach. Shamira is 15. She has green eyes, auburn hair, and a Caucasian complexion. That’s something persons don’t see that much of in the 24th century. She’s sassy, independent and has an artistic talent for drawing. Lincoln, 14, is the smart-aleck. But you don’t have to scratch too far beneath the surface to find his insecurities.There are two types of artificial intelligences (A.I.s) in the 24th-century. The primary are authorized by society and very conservative. Then there are ‘genies’. Made by black-market hackers, or blackers, these rascals are the bi-polar opposite of their unadventurous cousins. A genie’s intention in life is to support rebellious youth make mischief. Pan, is a very mischievous genie. A curious mix of past and future, he’s an eccentric, all-knowing, holographic artificial intelligence in the cartoon shape of the vaunted Greek god. Pan’s jokes and perceptivities get the kids both into and out of trouble.Our three teen protagonists meet at a History Camp where everything and everyone must act like it is 14th-century Verona, Italy. Society’s plan is to put trouble-making kids into situations where they are “scared straight”. But Hansum knows better. He’s conscious that behind the scenes there are armies of people and A.I.’s making sure they are safe. Using Pan, the teens devise a plan to drive the History Camp enactors crazy, and they succeed. But what they’re not prepared for is that a History Camp elder from the 31st century, (where time-travel is possible) kidnaps them back to the real medieval Verona. Here they are indentured to an alcoholic lens maker. Now, unquestionably, the dangers are real.All of this is hardly the idealisti surroundings to fall in love – but, for Hansum, that’s incisively what happens. Guilietta is the finelooking daughter of the master the teens are working for. She becomes the star-crossed and time-crossed lover of our story’s Romeo – Hansum. In fact, the novel is peppered with lots of fun allusions to Shakespeare’s Romeo and Juliet. In an undertake to survive the teenage trio, with Pan’s help, risks introducing technology from the future. It could save them – or it could alter history.

• Amazon Sales Rank: #1786730 in Books
• Published on: 2011-03-16
• Original language: English
• Dimensions: .1 pounds
• Binding: Paperback
• 336 pages

13 of 13 people found the following review helpful.
Exciting time-travel adventure
By The Flashlight Reader
Hansum, Shamira, and Lincoln are all “hard cases” from the 24th century. They are spoiled, lazy, and resilient to the lessons that the elders of their society try to teach. In a desperate measure to get the teens to learn from their mistakes, they are whisked away to History Camp–a reenactment of some of the hardest times from history. History Camps are designed to teach even the hardest 24th century kids a lesson about the past. Unfortunately, Hansum, Shamira, and Lincoln are too smart for their own good; they manage to disrupt the “lesson.” Thinking that they have successfully interrupted the History Camp Elder’s plans, the three teens are surprised to find themselves being approached by a time-traveling man. This man–Artemis–transports (i.e. kidnaps) the teens to the real 14th century Verona, Italy.

18 of 20 people found the following review helpful.
A fun read, disappointed with language
By KW
I thought this was a very interesting concept. I feel like all too often our current society forgets to reflect on the past in order to gain perspective and knowledge of ways to improve our future. History does often repeat itself.

For the most part, the book was well written. I felt like this book could have been shorter, several scenes became wordy and over explained. The character development was well done, I felt I knew the different personalities and could relate to their emotions and situations. The biggest problem I had was the language. There are a couple of swear words that not only were unnecessary, but out of context for the 14th century. I labeled this book as Young Adult, but I really feel like the story would be best suited for children 10 -15 years old, minus the language. It’s a shame, I think E would have really liked this book.

The storyline was entertaining, unique and adventurous – not always believable, but a fun read. I love the unknown of whether or not they are still under the protection of the History Camp Elders. I look forward to following the series to see what happens next with our 3 Hard Cases. It was certainly fun to watch them grow and fill their new roles in this ancient society.

6 of 6 people found the following review helpful.
History like you’ve never experienced it before~!!
By Jennifer Chatham
The Lens and the Looker is book one in the Verona Series (History Camp: the Verona Trilogy)

Hansum, Shamira and Lincoln are three teenagers who like to create chaos wherever they go. They don’t like to follow rules or listen to their elders and for that reason, they are sentenced to a session at History Camp where for the next two weeks, they will live in 14th century Verona, serving their time while living the hard reality of another.

Arriving at their destination, the three work to upset the balance of their teachers and enactors. Working as “apprentices” to an eye glass maker, the three play a few pranks and earn the wrath of their elders and are sent to bed without any supper. However, before they can decide if they have pushed the gambit too far, a mysterious man, who speaks in rhyme and prose, appears and whisks them through a time travel portal and takes them to the real Verona, a place where their are no teachers to stop the program and protect them. The three must learn to survive until the mysterious stranger arrives to take them back home.

Again, they are placed in the care of an eye glass maker and his family. Believing they aren’t really in dangers harm, the three conspire to do the same and bring the attentions of the teachers to their aid. However, there is no one listening and when accidents befall them, they realize that they are in this for real and only their wits will keep them alive. Changing the course of history, the three begin to realize that if they make the wrong choice or influence the wrong thing, then maybe they will undo their own existence and change history forever!

I really enjoyed this book and the characters portrayed within. The concept of History Camps is a rather interesting one and the ability to go back in time and experience life first hand would be a very creative way to spend your time. I enjoyed the characters and the humour that ensues. I found everyone to be believable in their roles and the history that is dispersed throughout the pages, concerning ancient Verona, were most enjoyable to read. It’s like getting a history lesson without even realizing it!

There are a few minor expletives, but nothing that defracts from the enjoyment of the story, and the violence is mild to moderate. The background description of their place in history was well done and I could almost imagine myself walking through the streets of the market. The mystery of how the children will return keeps you reading to see where their antics are going to lead them next as well, their coming into their own was well-balanced and read well. At first you disliked the spoiled, rude, obnoxious children but as the story progresses you watch them mature and come to love them, even Lincoln, whose sassy mouth continously lands him into troubles of some sort or another.

I cannot wait to read the next book in the series, I would recommend this for young adults and anyone who enjoys fantasy and history combined. I think author Lory Kaufman has done a magnificent job of creating a fantasy that can give us a break from our reality for a few hours.

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