It combines one highprecision molded glass aspherical element and two replica aspherical lenses to achieve the extended zoom range, while also correcting for common aberrations that arise during zooming. Fast focus with surprisingly low distortion for such a wide angle lens. Canon ef 1740mm f4l usm lens with free basic accessory. In this case, the one that looked best for correcting my lens problem was the 17. Canons 1740mm f4l has been a popular choice due to its lightweight design, and lower cost than to buy than canons f2.
The 1740s all metal body is the first qualifier of a well built and durable professional lens. When you click from the lens correction tool palette, the add or remove lens data screen eos lens registration tool will be displayed and if there is new lens data, it will be displayed. Heavy lens distortion that requires destructive software correction. Carepak plus offers protection from accidental damage such as drops, spills, power surges, and more.
Complex distortion, typical of every other superwide zoom, difficult to remove if youre trying to replace a view camera. The canon professional network cpn digital encyclopaedia, infobank, explains the technology of eos dslr incamera lens corrections, including peripheral illumination correction and chromatic aberration correction, to allow photographers to maximise the performance of canon ef lenses. The ef 17 40mm f4l usm lens is an ultrawideangle lens producing stunning clarity in a range of focal lengths. When i was shooting crop cameras i used the efs 1022. I own a telephoto, but i pride myself in my wide angle lens selection. Take a look at a more detailed look into the canon ef 17 40mm f4l usm. How to set up lightroom to automatically apply a lens. I have just one camera, with 2 lenses of same brand. It has a constant f4 maximum aperture, and offers the choice of screwin 77mm filters or a holder in the rear of the lens for up to three gel filters.
Superior optics by the use of three aspherical lens elements, in addition to a super ud ultralow dispersion glass element. One super ud element is featured, along with three aspherical elements, which help to reduce both chromatic and spherical aberrations in order. Adobe lightroom contains lens correction for this and most other lenses. The canon ef1635mm f4l is lens profile distortion control is incorrect over most of the focal range. Dxo optics pro standard works the fixed lens cameras, and dslrs like the nikon d80, d70, d200 and canon rebels and 30d. The canon 1740 f4 l lens is well worth looking at if you own the canon 5d or. Page 1 ef1740mm f4l usm instruction page 2 thank you for purchasing a canon product. Wideopen, the lens vignettes, it is subject to distortion.
Handling and features weighing only 500g, the 1740mm f4l is probably among the lightest l series zoom lenses available at. Support ultrawide zoom ef 1740mm f4l usm canon usa. Spanning a versatile wideangle range, the ef 1740mm f4l usm lens is a canon lseries zoom featuring a constant f4 maximum aperture along with a sophisticated optical design and durable construction. How to register lens peripheral illumination correction data. Llc associates program, an affiliate advertising program designed to provide a. Zoom in on all the beauty of nature with the ef 1740mm f4l usm ultrawide angle zoom landscape lens. In reply to adambike nov 30, 2007 well some is the lens, but some is just being too close to the subject with wide angle, even a perfect lens close at wide angle will do that. Optical coatings are optimized for use with digital cameras. Ive placed the cd in the tray, and yet the program says its connecting to the server, and when done, they are not found in the list. Conventions used in this instruction warning to prevent lens or camera malfunction or damage. Ud, or ultra low dispersion, helps correct chromatic aberrations colored halos around objects while reducing color blurring and keeping overall detail high.
With regards to corner ca, the 1635 f4 is again the clear winner. At that time, if there is new lens data, it will be displayed. How is canon 1635 in comparison to 17 40 for doing landscapes. What to do when lightroom cant find your lens profile. Anyway, heres how to set up lightroom so it will automatically, by default. As the focal length increases the lens profile overcorrects the image causing pincushion distortion that gets progressively worse. Scroll down to easily select items to add to your shopping cart for a faster, easier checkout. To provide superb image quality over the complete 17 40mm zoom range the lens uses three aspheric elements. Learn which cameras and lenses you can use with the lens aberration correction feature of the digital photo professional version 4. Buy the power to create advanced 2 lens kit and get both the ef 1740mm f4l usm and ef 50mm f1.
For superb performance on the go, the canon eos 6d mark ii camera puts fullframe performance into a compact, fully featured dslr. The other options transform and lens vignetting refer to the options in the manual area of the panel and are, as a general rule, more. I purchased the canon 1740 mm lens in october of 20. Updating lens profiles for digital photo professional and eos. Using the supplied eos utility software, you can register lens peripheral illumination correction data in the camera or delete registered data from the camera. The best photo editing software for 2020 whether youre a casual smartphone shooter or a professional using an slr, software can get the most out. Canon typically installs 26 lens profiles in the camera at the factory, the ones installed vary by camera model. Distortion ranges from moderately strong barrel distortion at 17mm to mild pincushion at 40mm with 24mm being the approximate point of minimal distortion. I frequently recommend the canon ef 1740mm f4l usm lens as a general purpose lens for those with a 1. As far as im aware all canon dslrs that support lens corrections have space for up to 40 lens profiles, but ship with a default selection of about 25 lens. Canon illumination correction and thirdparty lenses. If you look in my gallery you will see that i tend to shoot pretty wide open on the focal length. Most lens profiles also correct for vignette, where the corners of an image appear darker than the rest of an image. Adobe photoshop, lightroom, and the camera raw plugin include numerous lens profiles, which you can use to correct common lens aberrations such as barrel and pincushion geometric distortion.
I have the 17 40, but dont use it all that much, especially since getting a samyang 14mm. Canon offers a wide range of compatible supplies and accessories that can enhance your user experience with you ef 17 40mm f4l usm that you can purchase direct. I beleive this happens in camera when shooting jpegs and is applied to raw images when using the canon dpp software in a computer. But for that application, it doesnt seem to be a major downside to me. In both cases of course the data for the lens has to be available either in camera or to the dpp software. The ef 17 40mm f4l usm is an ultra wideangle zoom lens that offers excellent image quality and a constant maximum aperture. Its compact, lightweight body makes it an ideal travel companion suited to interiors, architecture and landscapes, fitting more in the frame without the need to step back. Youll see some residual waviness in the image after simple correction with photoshop cs2s lens distortion filter using the figures that i calculated from my experiments in the table below. In this video michael the maven shows you how to update your canon eos lens profiles using the canon eos utility app. They would be impossibly large, heavy and expensive.
Ef 17 40mm f4l usm ultra wide angle zoom lens bundle with 77mm uv wide angle filter, flex lens shade, lens cap leash, cleaning kit, lens wrap 15x15, with pro software package canon ef 17 40mm f4l usm lens with free basic accessory bundle pc 8806a002 nk. Julieanne kosts blog saving lens correction presets in. See dxos uptodate chart of the exact lenses and cameras covered here. How to register lens peripheral illumination correction. I also could just be losing my mind as i dont have a file in front of me to check. A lot of people are wondering wheither or not to buy the 1740 or the 1635mm. Llightroom strange lens default correction profile with canon 1740 f. Canon ef 17 40mm f4l usm lens,e77u 77mm snapon lens cap, lens dust cap e rear,ew83e lens hood, lens case lp19 and 1year warranty. Because it is a very high quality but moderatelypriced ultra wide angle zoom lens, the canon ef 1740mm f4l usm lens is one of canons best selling lenses the 1740 f4l fills out the bottom focal length range of canons f4l zoom lens series. Adobe lightroom contains lens correction for this and most. Zoom in on all the beauty of nature with the ef 17 40mm f4l usm ultrawide angle zoom landscape lens. Lenses not listed in the lens optimizer in digital.
The 1740mm f4 l is a better, lighter and newer lens than the fatter and more expensive 1635mm. Lenses are not all perfect, in fact perfect lenses are just not possible. Canon offers a wide range of compatible supplies and accessories that can enhance your user experience with you ef 1740mm f4l usm that you can purchase direct. Is it a bad idea to activate lens corrections in camera, when also use lens correction in lightroom. Incamera lens correction canon professional network. Eos 6d mark ii canon online storecanon online store. Canon ef 1740mm f4l usm ultra wide angle zoom lens for canon slr cameras. Canon ef 1740mm f4l usm ultra wide angle zoom lens for. When i import my photos, i want to apply, to all of them, the enable lens correction option.
It might be something specifically that canon keeps track of though. If i already have the lens correction information on my canon 6d. Is it a bad idea to activate lenscorrections in camera. Lens correction the most interesting addition to the latest version of dpp is the lens aberration correction function. The canon 1740mm f4 l is a high quality lens with a fullframe image circle that. Apr 29, 20 26 out of 40 profiles installed at the factory. The ef 17 40mm f4l usm lens from canon is a high quality series wide angle zoom lens for full frame and apsc size dslr cameras. Yeah, there are higherresolving lenses out there, but they have a price tag. Design is almost identical, they cost almost identicalbut 17 40 is so much. Spanning a versatile wideangle range, the ef 17 40mm f4l usm lens is a canon lseries zoom featuring a constant f4 maximum aperture along with a sophisticated optical design and durable construction. To register or delete lens peripheral illumination correction data, please follow the steps below. In the develop module, go to lens corrections, change the lens profile to. The 1635s optical design incorporates new optical elements, image stabilization and more.
Canon ef 1740mm f4l usm lens sample pictures as an amazon associate, i earn from qualifying purchases. When saving a develop preset to enable lens correction check the lens profile corrections option in the new develop preset dialog. One super ud element is featured, along with three aspherical elements, which help to reduce both chromatic and spherical aberrations in order to realize high sharpness, clarity, and color. The ef 1740mm f4l usm lens from canon is a high quality series wide angle zoom lens for full frame and apsc size dslr cameras. Is it a bad idea to activate lenscorrections in camera, when. Dxo optics pro elite works with all those, as well as pro cameras like the nikon d2xs and canon 5d and 1ds. Super ud ultralow dispersion glass prevents chromatic aberrations. Learn how to save or register the lens aberration correction data for your camera lens with the eos utility version 3.
If your lens isnt currently supported, you can create your own custom lens profile. Each camera that provides lens aberration correction can store 40 different lens models. The sharpness on the 1635 mk i and 17 40 is about the same with the 17 40 coming in a little sharper, but the color rendition on 1635 is much better plus you get on extra stop and one extra notch on the wide end. This describes the gradual falloff of light towards the corners of your image, and is perhaps the most straightforward lens imperfection to observe and correct. Its compact, lightweight body makes it an ideal travelling companion. Canon dslrs that support lens corrections peripheral illumination andor chromatic aberration only have space for a certain number of correction profiles. The differences between these two lenses is not so much their sharpness which are probably comparable but for their focal length. Nov 25, 2016 in this video michael the maven shows you how to update your canon eos lens profiles using the canon eos utility app. Half of the center sharpness images resolve sharper on the 17 40, irregardless of focal length and fnumber. Since i have 2 lenses, i just need to tell lr that my lens brand is canon and lr will automagically detect which lens it is. Sharpness shootout part 1 graham clark photography. The canon ef1740mm f4l usm is a high performance wideangle zoom lens.
Fullsize sample photos from canon 1740mm f4 home log in facebook log in openid log in faq about pixel peeper lenses slrs canon nikon olympus pentax samyang sigma sony tamron tokina voigtlander zeiss. Apr 22, 2014 i purchased the canon 17 40 mm lens in october of 20. Stop it down to f11 and enjoy a low distortion, sharp lens. Ef 1740mm f4l usm support download drivers, software and. Although all canon lenses are designed and manufactured to produce the highest quality images, constrains of technology, manufacturing and cost mean that some minimal aberrations still exist in the lenses. Connect the camera to the computer, then set the cameras power switch to.
As with the vast majority of canon ef lenses, any defects with distortion or. This is a followup to fridays post about my new canon lens that most definitely needs to have lightrooms lens corrections applied each and every single time, or it makes the lens just about unusable well, without lightroom or photoshop or even canon s own dpp software fixing the lens issues. If youve ever had an image that needed a lens correction. Ef 1740mm f4l usm support download drivers, software.
The 1740mm has quite a bad pincushion distortion of people faces. Feb 27, 2003 17 40 is my full frame ultrawide angle. When used on a fullframe body, the lens provides an extremely. While this could be a lightroom classic bug, there is a way to fix it. Getting dpps lens aberration correction to work with my non canon lens up until a few releases ago, for some reason digital photo professional enabled its lens aberration correction functions for at least one non canon lens, namely the tamron 17 50mm f2. Its ideal for both film and digital slrs, and features the same weatherresistant design, rear gel filter holder, and highspeed ultrasonic motor as the ef 1635mm lens. Canon ef 1740mm f4l usm ultra wide angle zoom lens for canon slr cameras lseries ultrawideangle zoom lens thats ideal for both film and digital slrs. This is a followup to fridays post about my new canon lens that most definitely needs to have lightrooms lens corrections applied each and every single time, or it makes the lens just about unusable well, without lightroom or photoshop or even canons own dpp software fixing the lens issues. Solution you can use eos utility provided software to register lens aberration correction data for the lens to the camera or delete registered data from the camera. To remove chromatic aberration, check that option as well. Download drivers, software, firmware and manuals for your canon product and get access to online technical support resources and troubleshooting. Most lens correction software will suffice for this tutorial, but common options include adobe camera raw, lightroom, aperture, dxo optics and ptlens, amongst others. Canon calls this the canon zoom lens ef 1740mm f4 l usm. These figures are for you to enjoy in your photography.
Each camera that provides lens aberration correction can. We use cookies to provide you with the best possible experience in your interactions with canon and on our website find out more about our use of cookies and change your cookie settings here. Well yes, the 17 40mm l lens will have somewhat better build quality that a kit lens, but it really is made to be used on a fullframe camera. It does vignette in the corners at the widest angles but this can be corrected in canons dpp software. Ef 1740mm f4l usm support download drivers, software and manuals canon uk download drivers, software, firmware and manuals for your canon product and get access to online technical support resources and troubleshooting. Canon ef 1740 f4l usm refurbishedcanon online store. I think the difference is obvious enough to see with your eyes closed. As the topic title states my lenses are not listed in the digital lens optimizer. The focal length range of this lens is not dramatic, but on a 1. When it comes to corner sharpness, the canon 1635 f4 is is a clear winner, with the 17 40 performing softer on corners.