Questions tagged [teleconverter]

Optical devices used between camera and lens to magnify middle part of projected image, effectively turning the lens into a longer (but slower) one.

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21
votes
8answers
10k views

How does a teleconverter affect depth of field?

I'm aware that a teleconverter will reduce the amount of light reaching the film or sensor in a camera, and as such you hear people banding around things like "With a 2x teleconverter this 300mm f/2.8 ...
18
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3answers
15k views

What is the difference between teleconverters and extension tubes?

I'm aware of two devices that can extend the reach of a lens: the teleconverter and the extension tubes. What else would they have in common, and where do they differ? Are there situations where one ...
13
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4answers
8k views

Does using an extender actually change the aperture of the lens?

I just bought a Canon 2X extender and I always believed that it would only result in 2 stops' loss of light and not change the aperture. However, when I tested this extender on a Canon 135mm f/2 ...
10
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8answers
5k views

For greater telephoto range, should I use 70-200mm + teleconverter or a longer zoom lens?

Right now, I have a Nikon 18-200mm f/3.5-f/5.6 VR lens. I like it, but want more telephoto range and would also like to be able to use faster shutter speeds. I am interested in the 70-200mm f/2.8, but ...
10
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2answers
476 views

Are there any downsides in using 2x extenders?

What are the negatives with using teleconverters?
10
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2answers
2k views

What is the blue halo around objects when using a teleconverter? [duplicate]

This afternoon, I went out to take some pictures using a ZEISS Tele-Tessar T 300mm f/4 Lens, with a Tamron x2 Teleconverter adapted to a Sony alpha 6000. Unfortunately, I have been noticing an ...
10
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4answers
43k views

How does using a 2x teleconverter with 70-200 f/2.8 affect use?

I recently acquired the Canon EF 70-200mm f/2.8L IS II USM lens and I love it. However the other weekend I went to Heathrow to do some aviation photography. Whilst it is great for aircraft near to you,...
9
votes
3answers
2k views

Sigma 150-600mm vs 300mm prime with extender?

Just wanted to get a few opinions since I'm a beginner. I recently purchased a Sigma 150-600mm lens, and I'm wondering if I made the wrong choice. I still have time to return or exchange. I'm ...
9
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3answers
14k views

How to enable Canon AF with teleconverter?

Canon DSLR bodies prevent poor auto-focus performance by disabling it completely when the lens reports maximum aperture at chosen focal length smaller than f/5.6. This implies that some lenses will ...
9
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4answers
2k views

Co-linear dual tripod mount for huge lenses

I am about to buy a fun super-zoom mirror lens which is so long it has its own tripod mount. To protect the camera, I am wondering if there is a mount accessory which will allow for two items to be ...
8
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7answers
1k views

Which Canon prime and teleconverters should I bring to a safari?

Currently I have the 70-300mm L lens from Canon. I would like to go on a Safari trip, and was wondering, does it make sense to pick up the Canon EF 400mm f/2.8L IS II with the 1.4X and 2X ...
8
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2answers
1k views

Is it possible to attach two teleconverters serially?

Is it possible to get 4x focal length by attaching 2*2x teleconverters? How about a 1.4x to a 2x, for 2.8x total? I understand that the resulting lens would be slowed down proportionally as well. ...
7
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2answers
3k views

Why can only certain Canon lenses be fitted with an extender?

Is there a reason only certain lenses can be fitted with an extender? I'd really love to be able to fit the extender to some of my cheaper lenses.
6
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3answers
3k views

Is replacing a 70-200mm Canon lens with a 135mm and extender a good idea?

In the Canon camp we are all very familiar with the range of 70-200mm lenses. I am very impressed by the 135mm f/2.0 L though. I am considering getting rid of my 70-200mm lens in favor of the 135mm ...
6
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3answers
1k views

Should I get a tele-converter or a camera body with more megapixels and crop?

My current camera body is a Nikon D300 and my longest lens is the Nikon 70-200 f2.8 vrII. I'm planning a trip to Africa and I am considering buying a 2.0x teleconverter to get bit more reach. But for ...
6
votes
2answers
7k views

What are the differences between the Canon extenders?

My wife has a Canon EF 100-400 f4.5-5.6L IS USM Telephoto Zoom Lens. Price is not that important to me, but I am unsure which of the four extenders I should purchase. Canon has four extenders that I ...
6
votes
2answers
886 views

What are the drawbacks of an extender (wide or teleconverter)?

I'm asking a more general question, starting from a particular case with which I'm dealing these days: I'm considering buying a Wide Conversion Lens for my Panasonic HC-X900M camcorder (see the item ...
5
votes
2answers
232 views

Are there adapters so I can use my lens converters on a Canon entry-level dSLR?

I have: Kenko Video Tele Converter KVC-20 II 2.0x XIT Elite series 3.7x AF telephoto lens Digital Optics Japan 0.45x Pro Definition with Macro lens Are there adapters for these which would fit my ...
5
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2answers
509 views

How do I manually focus my macro in poor lighting conditions?

I'm using my Canon 100mm f/2.8L macro handheld all the time together with a flash rig and it works wonders. Most of the time I have an Eg-S focusing screen installed as well which makes it even easier ...
5
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2answers
827 views

Is it a good idea to stack teleconverters to shoot at the moon?

Just got a Pentax ME Super in eBay and two lenses from a friend of mine. One of the two is a 200mm Shacht prime. I have also won on eBay, 10 minutes ago, a x3 teleconverter and I was thinking if I ...
5
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2answers
2k views

Will a lens extender be helpful for wildlife photography with a 70-200mm lens and APS-C sensor?

I was planning to do some photography with wildlife and was planning to sell my Canon Mrk2 70-200mm lens. However after discussing this I've been told that it's actually a good lens for wildlife (or ...
4
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3answers
4k views

Canon extender 2x III with 70-200mm F4L vs 100-400mm F4.5-5.6L for wildlife shooting

Photography.SE, hello there, this is my first question, hence please pardon my inexperience of phrasing the question. I am about to go to Yosemite and Yellowstone for 3 weeks next month, and ...
4
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4answers
3k views

Will I not be able to AF with a 2× teleconverter?

My setup is a Canon EOS 600D with a Canon EF 70-200mm f/4 L (non-IS), and I really want to buy a 2× teleconverter (1.4× is too short). I have done a lot of research, but I can't wrap my head around ...
4
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3answers
9k views

Do teleconverters work with Macro lenses?

I read that teleconverters don't work with macro lenses. Is that true, and if yes, why? I have the Canon 100mm f/2.8L macro lens, and I felt that purchasing a 2x teleconverter would be a cheap way of ...
4
votes
2answers
4k views

Is there a way to use an extender on a Canon EF-S lens?

I own a crop sensor body and naturally have EF-S lenses because of my budget. I am extremely happy with my 55-250 EF-S lens, but it isn't that great for nature photography. Now, I know that EF-S won'...
4
votes
1answer
309 views

Can a teleconverter make lenses designed for a “crop” sensor cover full frame?

I have a crop lens. Can I fill a full-frame sensor adding an appropriate tele converter (focal length extender? Specifically, I have a 1/2" C-mount lens and terrible vignetting on a full frame camera. ...
4
votes
1answer
700 views

Do you suggest using an extender/tele converter with a Macro lens such as Canon 100mm f2.8 macro lens?

Do you suggest using a teleconverter with a dedicated macro lens? I have tried out using a Kenko TC with canon macro lens - however I am not 100% satisfied with the "extra" magnification that I got on ...
4
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2answers
1k views

Is there something that is the opposite of a teleconverter?

I shoot a Nikon D80 that has a 1.5 crop factor. I'd like to find something like a .67x teleconverter so any full format lens I attach would then have their original focal length and would in theory be ...
4
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3answers
2k views

Does a full frame with a teleconverter perform better than an APS-C without a teleconverter?

Context Putting a teleconverter on a full frame lens magnifies the center of the lens but gives more reach due to that with some drawbacks. I've rediscovered focal reducers that do the opposite, ...
3
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2answers
9k views

Can a Teleconverter be used to extend a Sigma 70-300mm f/4-5.6 lens?

I have a Nikon D3100, a standard 18-55mm and Sigma 70-300mm lens without IS. Is it true that a teleconverter cannot be used with my Sigma lens? Can it be used only with block lenses, or is there any ...
3
votes
1answer
27k views

What is a “2.2X Pro Telephoto” lens?

I am looking to enter the world of SLR cameras and learning some more about lenses. I came across a package that has a 2.2X pro Telephoto what exactly does that mean and how does it work? (Please ...
3
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4answers
10k views

Are Canon extenders compatible with non-Canon lenses?

I have two APS-C (70D and 600D) bodies with Canon EF and EF-s lenses, and Sigmas, among them the Sigma 70-200 f2.8 HSM OS. I am also considering getting the new Tamron 150-600 lens, pending reviews. ...
3
votes
2answers
495 views

What will be my aperture with a 2× teleconverter? [duplicate]

I have a Canon 60D (crop factor 1.6x) and an 85mm f1.8 prime lens. Now I want to add a 2x teleconverter and attach the 85mm lens to it. My question is: What will the effective aperture be?
3
votes
2answers
5k views

Can I build my own focal reducer by reversing a teleconverter?

Would it be feasible to reverse a 1.4x teleconverter's optics into a cross-system lens mount adapter & have it function as a focal reducer? For example, like this: Camera hacked adapter ...
3
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1answer
808 views

How does a teleconvertor affect magnification ratio?

Here is my base: camera, lens with particular magnification ratio and teleconverter. I would like to understand if the magnification ratio will change if I use the teleconverter, compared to the ...
3
votes
1answer
799 views

How can a teleconverter allow manual focus lenses to autofocus?

I've found that some discontinued teleconverters, such as the Pentax F 1.7x AF Adapter and Nikon TC16A, enable autofocus with manual focus lenses. How is this possible? Does this system have any ...
3
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1answer
2k views

How much does the Canon EF 1.4x III Extender affect image quality on an APS-C sensor?

To be more specific I am interested in buying the Canon EF 1.4x III Extender to use it on my Canon EF 70-200 f2.8L IS II USM mounted on my Canon 7D Mark II. I know that when using the extender the ...
3
votes
1answer
928 views

Are there any quality 1.7x teleconverters for Canon EF mount?

I am planning to buy a Canon EF 300mm f/2.8 L IS II soon, probably in the first half of next year. I plan for it to be my wildlife and birding lens, and with the 1.4x and 2x Mark III teleconverters ...
3
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1answer
1k views

working distance in macro photography

I have Sigma 70-300mm and tamron 24-70mm lens. I want to capture dragonfly and butterflies. I am thinking to get either close-up lens (Raynox DCR 250) or extension tube (XIT Pro Series). But my ...
2
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2answers
17k views

Can I use an Canon 2x Extender on my EF-S 18-135mm lens?

I want to get into taking more bird images, and am on a very limited budget. I am wondering if I can use the Canon 2x Extender on my Rebel T4i camera's EF-S 18-135 kit lens. If so what sort of price ...
2
votes
1answer
808 views

Are there any Teleconverters/Extenders which will work with a Canon Rebel EOS T3 and 55-250mm f/4-5.6 lens?

Are there any Teleconverters or Extenders that will work on the Rebel EOS T3, I am currently using an EFS 55-250MM 1:4-5.6 IS II lens in an area where there is a variety of interesting wildlife that I ...
2
votes
1answer
7k views

Can I use Wide Angle Lens converter for my existing lens Nikkor 35mm f1.8?

I have a D3100 Nikon with a 35mm f1.8 prime lens. I want to buy a wide angle lens converter to make it more like a wide angle lens. What is your advice on that? How do I know whether the lens ...
2
votes
2answers
124 views

Does the attachment order of Canon teleconverters and adapters matter?

Canon EOS RP manual says that the EF - EOS R adapter should be attached to the lens first, and only then should the entire assembly be attached to the camera. I have understood that the same is true ...
2
votes
3answers
368 views

If I add a 2x telephoto adapter to a 18 - 55 mm 1:3.5 - 5.6 lens will portrait backgrounds go out of focus better?

I understand that I need a telephoto lens, combined with a low fstop to separate the subject in a portrait from the background, which will be out of focus. I'm confused if I add a macro/2x telephoto ...
2
votes
2answers
2k views

What are the true limitations of using the TC-17E II or TC-20E III on both telezoom and macro?

I am having a lot of trouble getting accurate and trustworthy information about the effect of convertors on the following setup: Nikon D800 Nikon AF-S 80-400mm F/4.5-5.6 ED VR Nikkor AF-S 105mm F2.8 ...
2
votes
4answers
2k views

Will the Canon 5D MK II with 100-400 1:4.5-5.6 work properly with Kenko 1.4 converter?

I'm using 5D MKII body and 100-400 f/4.5-5.6 lens. I want to use a 1.4 converter; will the Kenko converter work and autofocus properly?
2
votes
2answers
508 views

Nikon D3000 70-300 Nikon lens - How to get lens converter off the lens?

I put a Vivitar tele converter on my 70-300 lens. It went on easy but wont come off. How do I get the thing to come off my lens? I have a Nikon D3000 camera.
2
votes
2answers
2k views

Do third party extenders for Canon exist?

I was looking into extenders(Teleconverter) for Canon lenses, and they are quite expensive at around $450 for the 1.4x III or 2x III. I know that extension tubes are a different story, and since they ...
2
votes
3answers
415 views

Is it good to use VR lens with teleconverter?

I recently thinking to do something more for my photography experience. I want to buy a telephoto lens with a VR but it is expensive. That's why i am thinking that i should buy teleconverter instead ...
2
votes
1answer
212 views

What are the caveats for buying a teleconverter that is of a different brand than the lens?

What are the caveats when choosing a teleconverter brand that is of a different brand than the lens it will be attached to in attempt to maximize image quality? Lets assume the following to make the ...