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teleconverter

Canon reported to be working on a “zoomable” teleconverter

May 26, 2023 by John Aldred 4 Comments
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According to reports, Canon is working on a new type of teleconverter that it plans to release alongside the rumoured RF 200-500mm f/4 L IS. The announcement is currently rumoured to be coming at some point near the end of this year or early 2024. Teleconverters aren’t new to Canon – or just about any other manufacturer – but what makes this one different is that it appears to have some kind of “zoom” ability.

A Canon Rumours post says the new Canon teleconverter will be adjustable between 1.0x, 1.4x (or maybe 1.5x, but I think 1.4x is more likely) and 2.0x magnification. It means that you won’t need to keep remove or swap out teleconverters to go between your normal lens focal length range, 2.0x the range, or a stop in between.

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Tokina has released a 2x T-mount teleconverter for its 400mm f/8 Reflex lens

Feb 23, 2022 by John Aldred Add Comment
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Tokina has today announced its new SZ 2x Extender (TA-020), a T-mount 2x teleconverter for the Tokina SZX Super Tele 400mm f/8 Reflex MF lens released in July 2020. The SZ 2x Extender sits in between the lens and the mount adapter for your camera system – Canon EF, Fujifilm X, Micro 4/3, Nikon F, Nikon Z, or Sony E – and while it’s being marketed specifically with Tokina’s 400mm f/8 – they’ve even launched a new kit bundle that includes the two together – it should hypothetically work with just about any T-mount lens.

The Tokina SZ 2x Extender essentially turns your 400mm f/8 Reflex MF lens into an 800mm lens, but at the cost of aperture. You’ll lose two stops of light – as you do with all 2x teleconverters for any camera system. So, instead of metering f/8, it’ll now meter f/16. 2x teleconverters often play hell with autofocus systems that can’t meter lenses with a maximum aperture this small, but as it’s a manual focus lens, that’s not really much of an issue.

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Pros and cons of teleconverters for macro photography

Dec 18, 2020 by Maximilian Simson Add Comment
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What are teleconverters and how do they work?

Tele-converters are handy lens add-ons that multiply the focal length of the lens they are attached to. They can be mounted in between the camera body and lens (typically a telephoto lens) and increase the focal length of the lens which they are attached to.

By how much is dependent on their power, which is stated as a factor. E.g. a 1.4x teleconverter multiplies the original focal length of a lens by 1.4. As a result a 100mm lens would turn into a 140mm lens, a 200mm lens would turn into a 280mm lens, and so on. Most common are 1.4x or 2x converters, but occasionally converters as strong as 3x can be found as well.

Why am I telling you this in a macro blog? Well, the beauty of these converters is that their power not only applies to the focal length of regular lenses, but to the magnification ratio of macro lenses just as well!

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Canon has patented a strange-but-cool zoomable 1-2x teleconverter

Dec 11, 2020 by John Aldred 1 Comment
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Well, this is an interesting idea, and pretty unique, too. Canon has patented a zoomable teleconverter. You know, those things that effectively increase the focal length of your lens? I’ve never even considered that a teleconverter could even be a zoomable device and I’ve certainly never seen one before. According to Canon’s patent, though, it seems doable.

The patent seems to show adjustments from 1.0x to 1.5x and 2.0x with the movement of a lever, allowing you to quickly switch between a lens’s normal focal length, a 1.5x magnification and a 2x magnification. As Canon News points out, this offers a multitude of benefits from convenience to improved weather resistance.

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Sigma announces new 100-400mm f/5-6.3 mirrorless lens, 1.4x and 2.0x teleconverters and a new USB dock

Jun 18, 2020 by John Aldred Add Comment
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Sigma has today officially unveiled the new Sigma 100-400mm f/5-6.3 DG DN OS Contemporary lens, their first ultra-telephoto lens designed specifically for full-frame mirrorless cameras. It will become available in both L mount for Sigma, Panasonic and Leica L mount cameras as well as Sony E mount.

They’ve also announced two new 1.4x and 2.0x teleconverters for the L mount, too. As well as a new UD-11 USB dock available in L mount and Canon EF-M mount flavours for updating your firmware and customising lens settings.

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Fuji releases new 250mm f/4 lens, 1.4x teleconverter and two macro tubes for GFX medium format

Apr 12, 2018 by John Aldred Add Comment
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It’s Fujifilm’s turn to make their new announcements this week, and they’ve got some that GFX medium format shooters are going to enjoy. First up, there’s the new Fujifilm GF 250mm F4 R LM OIS WR lens. It has a field of view equivalent to just under a 200mm lens on a 35mm body. So suitable for both longer distance outdoor portraits, as well as shooting closer wildlife.

But to help with the wildlife side of things, there’s also the new GF 1.4X TC WR teleconverter. Priced at an eye watering $849, it’s not exactly cheap, but if you shoot medium format digital, the word “cheap” probably isn’t in your vocabulary. Fuji haven’t forgotten macro shooters in the new announcement, though, offering both new 18mm and 45mm extension tubes.

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Comparing Teleconverters In Africa

Mar 8, 2012 by Udi Tirosh 1 Comment
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Hey guys!

Benjamin Von Wong – Montreal Based photographer here to talk about a couple neat devices I borrowed from the nice fellows over at B&H for my trip to Africa. I figured that a nice little trip around Namibia would be the perfect opportunity to try out some gear that I had never previously had the use for – Teleconverters! (The Sigma 1.4x DG EX APO and 2x EX DG APO spesifically)

Teleconverters are these great nifty little devices that actually add range to your lenses at the expense of losing some light. Depending on how big of a zoom factor you go for, you losie more light as well as focus speed and overall sharpness – a little more on that later. What does that mean in terms of actual numbers? [Read More…]

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

Alex Baker: from diyphotography.netAlex Baker is a portrait and lifestyle driven photographer based in Valencia, Spain. She works on a range of projects from commercial to fine art and has had work featured in publications such as The Daily Mail, Conde Nast Traveller and El Mundo, and has exhibited work across Europe

David Williams: from diyphotography.netDave Williams is an accomplished travel photographer, writer, and best-selling author from the UK. He is also a photography educator and published Aurora expert. Dave has traveled extensively in recent years, capturing stunning images from around the world in a modified van. His work has been featured in various publications and he has worked with notable brands such as Skoda, EE, Boeing, Huawei, Microsoft, BMW, Conde Nast, Electronic Arts, Discovery, BBC, The Guardian, ESPN, NBC, and many others.

John Aldred: from diyphotography.netJohn Aldred is a photographer with over 20 years of experience in the portrait and commercial worlds. He is based in Scotland and has been an early adopter - and occasional beta tester - of almost every digital imaging technology in that time. As well as his creative visual work, John uses 3D printing, electronics and programming to create his own photography and filmmaking tools and consults for a number of brands across the industry.

Dunja Djudjic: from diyphotography.netDunja Djudjic is a multi-talented artist based in Novi Sad, Serbia. With 15 years of experience as a photographer, she specializes in capturing the beauty of nature, travel, and fine art. In addition to her photography, Dunja also expresses her creativity through writing, embroidery, and jewelry making.

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