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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1answer
115 views

Sigma 150-600mm + 1.4x TC

Am trying to get 1.4x extender for my Sigma 150-600 contemporary lens (canon Mount), would like to use it for wildlife / bird photography. Camera am using: 5D Mark III (placed order for R5 - waiting ...
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5answers
140 views

Options to increase magnification when the minimum working distance is fixed

I work in a lab which deals with a significant amount of scientific photography. My current situation calls for an increase in magnification, however, there is a physical limit to how close the lens ...
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2answers
119 views

Would a Canon EF 800 f/5.6 with a 2x extender on a Raspberry Pi camera work? (9024mm focal length, f/90.24)

The new raspberry pi high quality camera has a sensor size of 1/2.3", with a C-mount. If I attach a C-mount to Canon EF lens adapter, then a 2x extender, then the Canon EF 800mm f/5.6 L IS USM, from ...
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1answer
377 views

Nikon TC14E II converter on Tamron 70-200mm F:2.8 WITHOUT autofocus

I mostly do photography using Nikon gear. When it comes to video I use the Panasonic GH5 and adapt my Nikon lenses via adapter. The adapter does not have any electronics. So Im stuck to manual focus (...
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2answers
287 views

Supertele: 400mm vs 600mm

Im about to get the Nikkor 400mm F/2.8 VR (not the FL one). This is a lens I always desired. I have already planned some tours through northern Europe and hope to gain some wildlife photography ...
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4answers
142 views

How to determine which lenses are good at testing teleconverter quality?

I have a Kenko 3x teleconverter and am getting generally soft images (using a Canon 5d Mark II on a tripod). I am trying to find out how much of this is due to the quality of the teleconverter and ...
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1answer
133 views

Can the MTO-11 mirror lens be extended to 2000mm using an extension tube

In this link https://www.dyxum.com/dforum/ayone-knows-the-mc-mto11ca-10-1000-telephoto-lens_topic12136.html A poster claims that the 1000mm mto-11 can be extended to 2000mm by removing a stop and ...
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2answers
186 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 ...
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2answers
760 views

Is there a speed booster which will let me use an FX lens on a DX camera with wider focal length and aperture?

Since we have teleconverters that increase the BFD (back focal distance) of a lens and magnify the image, would it be possible to design a teleconverter that decreases the magnification and therefore ...
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1answer
209 views

Which brand 1.4 Teleconverter ensures autofocus for Sigma 150-600mm C other than TC 1401 sigmas own

I have a Kenko tokina 1.4 teleconverter. When attached to 150-600mm C sigma lens and camera switched on, it shows Err01. However if the electrical contacts of the teleconverter are blocked with a tape ...
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2answers
265 views

Can you turn a 60mm macro lens into a 100mm macro lens?

I have a Canon EF-S 60mm Macro lens. Can I add an extension tube or teleconverter to emulate a 100mm Macro? If not, is there a solution?
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1answer
137 views

Can a canon AF fit 35 mm 2x teleconverter work with EOS 77D

I have an older Quantaray 2x teleconverter for a rebel 2000 film camera will it work with a new canon dslr 77D EOS
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3answers
298 views

How will a teleconverter affect the sharpness of a lens at a given aperture?

If I have a 200mm f2.8 lens and apply a 2x teleconverter the effective focal length and aperture becomes 400mm and f5.6. However, I am unsure about the effect this has on other aspects, such as image ...
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5answers
1k views

Why do my pictures shot using a 1.4x extender look soft?

I have a Canon EF 1.4x III Extender attached to my Canon EF 100-400mm f/4.5-5.6 L IS II USM on my Canon EOS 7D MkII and I'm finding my pictures of distant subjects appear very soft, as if the lens is ...
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2answers
88 views

What is the point of converter lens settings in a camera?

My Sony DSC-H1 has a tube with 58mm threads for mounting converter lenses and/or filters. Among the lenses available from manufacturer itself are a 0.7x wide converter, an 1.7x tele converter, and a ...
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3answers
3k 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 ...
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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 ...
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2answers
241 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 ...
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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 ...
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3answers
4k views

How to calculate stops of light lost from a teleconverter?

How would I be able to take the multiplication value of a teleconverter (1.7, 1.4, 2, etc) and find out how many stops of light are lost when using it just based on that number?
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2answers
627 views

Can a focal reducer be used with a teleconverter?

Can you use a focal reducer with a teleconverter? I don't believe it would be possible to do it but, is it? If I were to use a full-frame 50mm lens on a 2x teleconverter with a 0.71x focal reducer ...
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2answers
277 views

I have a telephoto lens made to screw on to another lens. Which one should I attach it to?

I have a prime lens, a zoom lens and a telephoto lens. My Telephoto lens is made to screw onto another lens. Should I attach it to the prime lens or does it matter?
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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 ...
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1answer
101 views

Please suggest necessary setting for better sharp image with telephoto lens 70 -300mm VRF4.5-6.3? Nikon D5300 [duplicate]

Does the teleconverter support for sharp image specially for birding? Please suggest
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2answers
945 views

Is two teleconverters on a sigma 150-600 sharper than one on a 1100mm mirror lens?

I was considering taking photos of the moon and stumbled on a review of the MTO 1000a mirror lens. This is acording to this site a sovjet design from the eighties of an 1000mm mirror lens. (Some other ...
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2answers
499 views

What is the use of tele converter? Is it possible that it can be used for all lenses or only for the specific lens?

Actually I'm planning to buy multiple lens but my budget is little less I can't afford telephoto Lens so if I buy tele converter, is it possible that I can use it for all types of lens or only for ...
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1answer
1k views

Nikon Teleconverter compatibility

From the Nikon site, AF-S Teleconverter TC-14E II [but the same caveat is on all 3 Teleconverters] Compatible with AF-S and AF-I NIKKOR lenses except AF-S 17-35mm f/2.8D IF-ED, 24-85mm f/3.5-4.5G ...
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2answers
185 views

What teleconverter should I get for a T-mount telephoto with F-mount adapter?

I have a Nikon D5000 F-mount camera, and I just ordered a Bower 500mm T-mount telephoto with an F-mount adapter. I want to be able to slap on a 2X teleconverter, but I don't know how to tell which ...
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3answers
418 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 ...
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2answers
585 views

Is it possible to turn a Nikon 18-200mm lens to a macro lens?

I was wondering if I could turn my Nikon 18-200mm lens into a Macro zoom lens by adding either a teleconverter or a macro-converter?
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4answers
3k views

Can the Sigma TC-1401 1.4x Teleconverter be used with Canon lenses?

Essentially the inverse of this question - can a Sigma 1.4x Teleconverter (specifically the TC-1401) be used with (actual) Canon lenses, such as the EF 70-200mm f/4? By used, I mean does it mount (I ...
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2answers
3k views

Which Teleconverter is best along with my Nikon AF-S DX Nikkor 18-105 mm F/3.5-5.6G ED VR Zoom Lens for Nikon-D7200?

I know very well that my lens is not a perfect lens for wildlife Photography at all, but still if i would like to know answers for below questions. Which Teleconverter should I use? How much focal ...
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1answer
946 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 ...
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3answers
436 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 ...
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1answer
875 views

Will a Sigma 1.4tc teleconverter work with my Canon 70D?

I have a Canon 70D body with Sigma 150-600 lens. I am thinking of buying Sigma's teleconverter 1.4tc but I dont know if it works in canon70D.
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2answers
808 views

Can I change aperture with a Nikon TC-200 2x teleconverter?

I'm using a 2X teleconverter with a Nikon 35mm 1.8 AF lens on my D7100. It looks like I can't change the aperture with any of the camera's dials. Am I missing something? The converter is a Nikon TC-...
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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 ...
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1answer
319 views

What specs do I look at to get a screw-on teleconverter that works with my V1 and adapted lens?

My camera is a Nikon V1 (1"-format sensor). I have a native Nikon 1 30-110mm lens, with Olympus C210 screw-on teleconverter, which works without vignetting from 60mm length onwards. This works because ...
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2answers
593 views

Does a teleconverter lose one stop of light from both ends of a variable aperture zoom?

If I add a Canon 1.4x III extender to my new EF 100-400mm f/4.5-5.6L lens, I believe I lose one stop of light. So what happens to the f/4.5-5.6 part? Does the f/5.6 part become f/8, for example, at ...
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3answers
2k views

Will this camera, lens and teleconverter combo work well?

My old Nikon D5000 finally bit the dust along with my grey market nikkor 70-300 lens. I am looking at replacing them both. The camera will be replaced by either the D5200 or D5300. The lens I am ...
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1answer
1k views

FX lenses on Nikon D500 or D7200 DX vs 1.4x or 1.7x Teleconverter on Nikon D750?

I have a Nikon D750 body, with the 70-200 2.8 and the 200-500 5.6 Nikon lenses. The two options I can think of are: (1) Buy a 1.4x or 1.7x teleconverter for my existing D750 (FX). (1.1) Approx. ...
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2answers
1k views

How can I modify my NIkon D5500 so I can make a vintage lens auto focus?

I just bought a Nikon D5500 with 35mm f1.8. I also have a Nikkor 70-210mm AF (that doesn't focus automatically). I learned that using a TC-16A AF Teleconverter 1.6X might help but i was informed that ...
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3answers
180 views

I need a recommendation on FX telephoto zoom lenses

These lenses are usually used for sports and wildlife photography but my application is a little different. I am interested in doing ultra high resolution "close up" images of small plants in the wild....
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3answers
279 views

Can I increase 35mm-equivalent focal length with both the crop factor and an extender?

I have a Canon EOS 7D Mark II (1.6x crop factor), and I have a Canon EF 100-400 IS USM. Working with just 400mm for the purposes of this question, my understanding is that my 35mm-equivalent focal ...
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1answer
871 views

focal length 300mm on dx camera + 2X TC [duplicate]

I saw nikon Nikon AF 70-300mm f/4.0-5.6G which works on both DX and FX sensor camera. I have Nikon D3300 which have DX sensor. As lens works on FX sensor if we use this lense on DX camera what would ...
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2answers
2k views

What can I expect when shooting the moon with a 55-200mm zoom lens w/ 2X teleconverter?

I am planning to buy a 2X teleconverter for my Nikon 55–200 mm AF-S f/4–5.5 to capture the moon and other planets. (After connecting the 2X teleconverter the lens will become 110–400 mm and f/8–11) ...
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2answers
446 views

Does a Canon 1.4X I teleconverter provide the information needed to show up in Lightroom?

I'm looking at buying a 1.4X Mark I teleconverter (I already have a Tamron one that doesn't register) and was just wondering if anyone knows if the Canon Mark I makes itself known in the metadata
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1answer
111 views

Optical quality of using one v two teleconverter

Context So I currently have a TC-14 1.4x TC on an older Nikon 300mm f4 AF lens. Question I presume if I want a 2x teleconverter I'd get a TC-20 and be done with it. Optically is that much worse ...
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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, ...
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1answer
495 views

Autofocus with canon EOS 1200d [duplicate]

Can my EOS 1200d autofocus with1.4x canon teleconverter and canon 300 mm f4 lens. What will be my maximum aperture using both of these.