Teleconverters - Are they useful?
Teleconverters - also known as multipliers - are optical devices which when attached to the rear of a lens increase the effective focal length. They typically come in two "flavors", a 1.4x and a 2x - though 1.
Teleconverter
A lens accessory that fits between the camera lens and body to increase the focal length by 1.4x, 1.7x or 2x.
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Teleconverter
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Teleconverters can also be used in close-up photography to increase magnifications. See close-ups under tips section. When choosing a converter check its elements. The higher element converters produce better quality pictures but are more expensive.
Teleconverter
Techniques Glossary Teleconverter
Called 'extender', 'lens extender' or 'telephoto extender' by some manufacturers. (Not to be confused with an 'extension tube'!).
USE A TELECONVERTER FOR SHOOTING ACTION
If you fancy having a dabble photographing cricket, motorsports or football and don't want to commit to a long lens that might not see much use afterwards, then a teleconverter is a worthwhile option.
Adding a teleconverter extender to a slow lens especially, may cause you to loose automatic focus. For obvious reasons this may be problematic for photographers who want to focus quickly on a moving bird.
The Problem with Teleconverter (and Some Other) Caps
This week, the solution to a small, but annoying problem.
I wonder if there are some basic misconceptions about the purpose of teleconverters. I thought of buying one myself recently in order to get better close-ups of some parrots nesting in a box I fixed to a nearby tree.
Guide Review - Canon Extender EF 2x II (Teleconverter)
The Canon Extender EF 2x II (Teleconverter) performs excellently for a reasonable price.
Teleconverter
A Teleconverter is a lens accessory that mounts in between the camera and the lens to increase the effective focal length of the lens; ...
Teleconverter: Maintains the working distance of the lens, but at the cost of light transmission due to additional glass elements. A 50mm f-2.8 lens with a 2X teleconverter becomes essentially a 100mm f-5.
Teleconverters. Even though these are typically used to increase a lens's focal length, they're also a popular way to increase magnification.
Teleconverters
Teleconverters work great if you already have a $7,000 lens. Friends use them all the time with their 500mm f/4 lenses. Sometimes they'll use two teleconverters! ...
Teleconverters
A teleconverter acts like a magnifier, and is placed in between a lens and the camera body. It magnified whatever lens is placed on it.
Use a teleconverter. Another popular tool in close-up photography is the teleconverter, often found in 1.4X and 2X lengths. These lenses mount to your camera to make your telephoto lens even longer.
Smart Teleconverter
Engages 'Smart Teleconverter' mode, in which the camera crops the image size to simulate 1.4x or 2x zoom. This only works when shooting JPEG images in the main live view mode.
Teleconverter:
An optical system mounted between a camera body and the lens to increase the effective focal length of the lens.
Telephoto lens: ...
Teleconverters are a MUST to get clean crisp distant shots. The good ones which go before the lens effectively Double or even triple the range of the lens (to use the above as example: a 28-300m lens becomes a 56-600mm Lens).
TELECONVERTERS. Most of us have probably heard about teleconverters. They're a small gadget that we can put between our lens and the camera to double its magnification - excellent...who needs to get close?
Teleconverters, called "extenders" by Canon, are optical accessories which fit between the camera body and the lens. They're essentially tubes with a few glass lens elements inside which multiply the focal length of the lens in use - typically by 1.
A teleconverter is similar to an extension tube in that it fits between the lens and the camera. However, a teleconverter does contain lens elements.
An old teleconverter with the optical components removed works fine as a ghetto extension tube.
Pro Optic 2X Teleconverters
If you’re reluctant to invest in a lens long enough for backyard bird photography, consider a Pro Optic teleconverter.
4Ã- or 2Ã- teleconverter gives a larger image, adding macro capabilities. As with an extension tube, less light will reach the film or sensor, and a longer exposure time will be needed.
Using Digital Zoom and Digital Teleconverter
Using a Converter Lens
Using Macro and Super Macro Modes
Increasing Depth of Field in Close-ups
Using the Built-in Flash
Turning Safety FE On and Off
Turning Red-eye On and Off ...
7 Teleconverter on a 600f/4. That really stretches the bounds of what is possible with any camera and puts a lot of pressure on the camera. So we don't often see test images like that but they're important to bird photography so we've shown them here.
Improper exposure is most likely to occur if you use this type of teleconverter/tube combo at these improperly reported aperture settings.
If you're unfamiliar with tele-extenders (also sometimes called teleconverters), they're worthy of an article unto themselves. In short, a tele-extender is a device that effectively increases the focal length of your lens, usually by a factor of 1.
First of all my camera is a Canon SX20 IS, with macro and super macro capability, however I did find that the best way for work with this camera is to choice 2X teleconverter, so you will work with a 56 MM focal equivalent, ...
4x teleconverter I feel I’ve covered most bases. However, for wildlife you need a lens that is long enough to fill the frame with distant subjects.
A lens for close-up photography; designed to focus continuously from infinity down to a reproduction ratio of 1: 2, or with a matched extension ring or teleconverter down to 1: 1; ...
Won't you loose light with that teleconverter and get somewhere at "Try and avoid f/5.6 like the plague." ?
Reply
Dak says: ...
Judging from the technical questions we get from readers, there is a lot of misinformation about teleconverters floating around the internet (no surprise). Here are some answers to those questions... IMAGE QUALITY?
Related Topics: ...
Shots taken (at less than 1:1) with multiple extension rings, diopters, or teleconverters of extremely small subjects typically the size of a thumbnail
Sunburst ...
SLR Lenses
Auxillary Photo Lenses
Teleconverters
Binoculars & Telescopes ...
At the T setting, the shutter remains open until it is manually closed by rotating the shutter speed dial. Teleconverter An optical system mounted between the camera body and the lens to increase the effective focal length of the lens.
Her lenses includes a 12-24mm, 28-135mm and 100-400mm; she also takes along a 2x teleconverter. "This gives me a working range of 12mm to 80mm," Waidhofer says.
teleconverter - an add-on lens that lengthens the focal length of the existing lens.
telephoto - any lens longer than normal.
tilt and shift lens
TLR - " Twin Lens Reflex." ...
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