Optical devices used between camera and lens to magnify middle part of projected image, effectively turning the lens into a longer (but slower) one.
3
votes
2answers
122 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 ...
0
votes
3answers
245 views
Can I expect good quality from a 2X TC on a Nikon 55-300mm lens?
I have a Nikon D3100 with the standard 18-55mm lens, and a Nikon 55-300mm lens. I bought a 2X teleconverter for the 55-300mm lens, but the TC seems to be unusable. At 300mm with the TC everything is ...
3
votes
2answers
177 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 ...
3
votes
1answer
171 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 ...
8
votes
5answers
350 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 ...
6
votes
2answers
2k 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 ...
7
votes
3answers
397 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 ...
3
votes
2answers
201 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 ...
3
votes
1answer
249 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 ...
4
votes
3answers
1k 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 ...
5
votes
2answers
267 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 ...
4
votes
3answers
1k 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 ...
3
votes
1answer
2k 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 ...
1
vote
1answer
300 views
Is it okay to use a T-Con 1.7 Teleconverter with a Nikon D3100 via a step-up ring?
I've recently bought a Nikon D3100 with 18-55mm kit lens. I already have an Olympus T-Con 1.7x teleconverter and would like to connect it to the kit lens with a step up ring.
My concern is that the ...
0
votes
1answer
295 views
Can anyone recommend a telephoto lens for a Sony DSC-H3?
I have a Sony DSC-H3. I'd like to buy some new lenses for it for experimentation purposes. Specifically, I'd like to get a telephoto lens. The only issue is, I can't figure out which one to get. The ...
4
votes
1answer
474 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 ...
3
votes
2answers
2k 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 ...
17
votes
4answers
2k 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 ...
7
votes
2answers
211 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.
7
votes
2answers
259 views
11
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3answers
802 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 ...
8
votes
8answers
2k 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 ...
