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[ColorOS Know How] Types Of Camera Lenses For Photography

 View:5467    Reply:19 | Posted at 7-7-2019 00:20:27 | Display all floors | Copy
Hello ColorOS SuperFans,

Lenses are one of the most important considerations in photography. The lens you choose for each shot can dramatically change your results; its best to know how all the types work so you can make more informed decisions as a photographer in various situations.

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WIDE ANGLE LENSES

Wide angle lenses are identified by the bulbous shape to the glass front of the lens. They are loved by landscape photographers the world over. A good lens should include high-quality glass, have a low corner distortion rate, where a falloff in sharpness in the corners is minimal, and versatile features such as Image Stabilization (IS). Ideally, they should also include a lens hood to minimize lens flare, when shooting into light or the sun. Generally the heavier a wide angle lens the higher the quality of the glass used in manufacture, and the better the lens overall.

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FISHEYE LENSES

Fisheye lenses are amazing bits of glass. With the bulbous element protruding from the housing of the lens, they are quite fragile and easy to scratch. They can't be protected by a UV filter instead, use slip in gelatin filters in the rear of the lens. Find one that's fast–f/2.8 or f/3.5–like Sigma's 8mm. Look for edge to edge sharpness, as well. Again, the price will dictate quality. These are great for fitting the whole world into one shot–almost literally–with most providing a full 180-degree view!

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TELEPHOTO LENSES

Telephoto lenses are probably the most popular of all lenses. They are perfect for portrait and wildlife photography, as they offer a closer view to your subject, and in doing so, keep distortion low. Faster lenses with some type of stabilization are best. Look for stats such as f/2.8 or similar with IS or OS.

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MACRO LENSES

This one is my favorite. Macro lenses, often used for focussing on finite detail in very small objects, are usually high-quality lenses that are well manufactured. Find a lens with a fast maximum aperture of f/2.0 or f/2.8, if possible.

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TILT SHIFT LENSES

Many of us not know about this lens. Let's start, Tilt-Shift lenses are high end and ideal for correcting camera perspective caused by angling upwards or downwards, which results in a "leaning in or leaning out" type distortion. The frontal lens element is shifted to oppose the tilt of the camera. Usually not wider than 90mm.Tilt-Shift lenses can also be used to create a miniature effect This effect mimics the extremely limited depth of field by fast, shallow depth of field lenses and can be used to incredible effect.

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GLOSSARY OF LENS TECHNICAL TERMS

Aperture: The front opening of a lens through which light enters.

Aperture f-stops: The unit of measure that controls both of field and the amount of light entering the camera. Settings are f/1, f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, f/22, f/32, f/45, f/64.

Back focus: Lens focus error where focus lands behind the intended subject.

Bokeh: Out of focus blur effect that helps separate your subject from the background. Often used to create a miniature effect.

Crop factor: Created by the use of sensors smaller than 35mm film where only the center of the image is captured. Example: a 100mm lens on a 1.5x crop camera will have a field of view equivalent to 150mm.

Chromatic aberration: The failure of a lens to focus all lightwaves to a single point. Often results in a purple or violet edge along with objects in high contrast situations.

Depth of field: The measure of focus where the front edge of focus through to the back edge or final focus point lands.

Focal length: The physical length, in millimeters, a lens requires to bring the light to a focus point. Identified in mm on the lens, such as 18-200mm.

Focal ratio: The relationship between aperture and lens focal length. It is found by dividing the focal length by the aperture. Commonly referred to as the "f-number". Example: f/2.8.

Full-time manual focus: Seen in sonic motor lenses, the ability that allows the photographer to manually focus the lens while still having the lens in autofocus mode.

Image stabilization: Compensates for camera shake commonly seen with slow shutter speeds, it can be either lens or camera body based and is ideal for stationary subjects.

ISO speeds: Controls the sensitivity of your camera and its ability to see in the dark. the higher the number, the more sensitive to light, therefore the more your camera can see in the dark. Speeds are 100, 200, 400, 800, 1600, 3200, 6400, 12,800, 25,600.

Microfocus adjust: A recent innovation that allows the photographer to fine-tune focusing of the camera to compensate for a front or back focusing lens.

Motion blur: Seen at slow shutter speeds, blur caused by the motion of photographic subjects.


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Ultra Sonic Motor: Autofocus motors characterized by the fast, silent operation that is also capable of full-time manual focus.

Variable aperture: A lens where maximum aperture changes throughout the focal length, always getting slower at longer focal lengths.

Wide open: The term for a lens being used at maximum aperture.

Zoom lens: A lens with a varying focal length.

Zoom ratio: The relationship between a zoom lens's minimum and maximum focal length. Most pro-grade lenses have a 4x ratio or less. Example: a 12-24mm lens has a 2x zoom ratio.


So, this was a walk-through on the important topics of Types Of Camera Lenses For Photography. I hope I covered this topic & it'll help you in using any lenses. Thanks for reading the article, hope to see you in the next article. Until then stay tuned......


Stay Subscribed to ColorOS Community. You can follow me @MdRockz



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Posted at 8-7-2019 07:42:10 | Display all floors
Wow... Awesome ... thanks MdRockz & ColorOS.. it's very helpful.
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Posted at 8-7-2019 09:05:05 | Display all floors
MS2019 published at 8-7-2019 07:42
Wow... Awesome ... thanks MdRockz & ColorOS.. it's very helpful.

Thanks & for future post follow me
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Very helpful

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MdRockz: thanks for your valuable comment  Posted at 8-7-2019 20:49
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Posted at 11-7-2019 10:31:44 FromCPH1823Mobile phone | Display all floors
wow...nice article
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I love that macro lens....❤
It is awesome, I bought it.
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