Download defish
Author: b | 2025-04-23
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My interests. #22 As soon as I read about the defish option in the new em1 II firmware, I ordered the Olympus 8mm pro lens. I immediately updated the len's firmware to version 1.1 when it arrived today.These first photos are taken with this lens using an em1 II body. The first uses the natural fisheye mode. The second uses the defish setting activated in the new version 2.0 firmware. These give an idea of how wide this lens is, even in the defish mode.I am going to find this lens very useful with the defish option activated. It's small, fast, and very sharp, perfect for my travel needs. I can live with the distortion evident on the far right and left sides. If I have to do so, I can crop when necessary.There are three angle options in the defish firmware setting: The second photo is at angle 1, angles 2 and 3 are narrower, but do not have the distortion at the sides.Subscribe to see EXIF info for this image (if available) Subscribe to see EXIF info for this image (if available) Last edited: Mar 7, 2018 #23 As soon as I read about the defish option in the new em1 II firmware, I ordered the Olympus 8mm pro lens. I immediately updated the len's firmware to version 1.1 when it arrived today.These first photos are taken with this lens using an em1 II body. The first uses the natural fisheye mode. The second uses the defish setting
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To defish video. I have used the Kdenlive video editing software for this effect. Right click on the video timeline, and select "Defish":This brings up the "Defish" video effect settings:I've found that using the "Equiarea" type, and an amount of 855 works well. Alternatively, use "Stereographic" and an amount of 825. Or you can experiment and see what you like the most.Using this technique, I have made an example of a video sequence both without and with defishing. The video shows the street gamblers often seen in the Stockholm old city:Again, we see that the output video is almost rectilinear. For most practical purposes, this is good enough. Also, in the corners, the resolution is not as good as in the centre, just as we saw in the image example above. This is especially evident when viewing the video at 1080p.ConclusionDefishing image and video is easy. The output images are not perfect, but considering how extremely wide they are, I'd say they are pretty good.To avoid the stretched look in the corners, you could apply somewhat less defishing effect. This will leave some residual barrel distortion, but also leave more resolution in the corners. This could be an option if you have an image with few straight lines.In this article, I have looked at how much wider the defished output image is compared with using a rectilinear wide angle lens.Campanie DeFish DORDEVACANTA – Castiga Premii cu DeFish!
When it comes to wide lenses, fisheye lenses are the very widest available. The currently widest rectilinear (non-fisheye) lens for the Micro Four Thirds system is the Panasonic Lumix 7-14mm f/4 zoom lens. At the widest setting, it has a diagonal field of view of 114°. This is quite impressive, however, a full frame fisheye lens has a diagonal field of view of 180°.Two full frame fisheye lenses for the Micro Four Thirds system are the Lumix G 8mm f/3.5 and the Samyang 7.5mm f/3.5. The Lumix lens is rather expensive, but good quality. The Samyang is cheaper, does not feature autofocus, and has good optical qualities.A disadvantage of fisheye lenses is of course the fisheye projection: They do not feature rectilinear projections like we are used to, but spherical projections. This means that any line not passing through the centre of the frame will appear bent. The further from the centre a line passes, the more bent it becomes.However, fisheye images can be transformed to rectilinear images, to look more natural. In this article, I use the free software Hugin to transform the image, also called defishing.Defishing photosHere is an example image taken with the Samyang 7.5mm f/3.5 at f/5.6. It features Sergels Torg in Stockholm, with straight lines in three directions in the tiles (click to enlarge):As you can see, the lines that pass near the centre of the frame are the least bent.To transform the image to rectilinear, I use the Hugin program to defish it. Hugin. Download DeFish latest version for Mac free. DeFish latest update: Febru Tower Defish is a Strategy game developed by Defish Games, and LDPlayer is the best platform for playing Tower Defish on Windows PC, offering powerful features for an imm How to Download and Play Tower Defish on PC Last Updated: com.DefishStudio.TowerDefishDeFish - Concurs Descoperă savoarea rețetelor DeFish și
Activated in the new version 2.0 firmware. These give an idea of how wide this lens is, even in the defish mode.I am going to find this lens very useful with the defish option activated. It's small, fast, and very sharp, perfect for my travel needs. I can live with the distortion evident on the far right and left sides. If I have to do so, I can crop when necessary.There are three angle options in the defish firmware setting: The second photo is at angle 1, angles 2 and 3 are narrower, but do not have the distortion at the sides. View attachment 621787 View attachment 621788That is an astonishingly good correction. I will keep that in mind as I test the Samyang 7.5mm that I just bought.For what it is worth, when I just look at the photo (compared to examining it in detail) I do not see any edge distortion at all. I am sure it is visible if someone looks carefully and, of course, I do not actually know what the room looks like, other than the photo, but it all seems natural to me when just glancing at the photo.That is a very appealing function. Last edited: Mar 7, 2018 #25 The 'distortion' at the sides is just plain rectilinear distortion from being so wide. Other than that, I do see some residual barrel distortion in the furniture. Also take note that the example lacks any major detail in the corners, so you won't noticeDeFish - Conservele cu ton DeFish - o opțiune delicioasă.
"}"> Lucd OMD • New Member • Posts: 10 Rokinon 7.5mm fisheye Defish Apr 23, 2019 I was wondering how wide would be the result after defishingWhat would be the equivalent lensIf money was not an object I would buy the Laowa 7.5mm but 500$ compare to 200$ Olympus E-M1 II Panasonic Lumix G 20mm F1.7 ASPH Olympus M.Zuiko Digital 45mm F1.8 Olympus M.Zuiko Digital ED 12mm 1:2 Apple iPhone 8 +1 more ANSWER: This question has not been answered yet. "}"> ahaslett • Forum Pro • Posts: 18,551 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 23, 2019 The diagonal AoV is apparently about 180 degrees. From another perspective, it’s easy to put your feet into the image accidentally.The AoV is far wider than a rectilinear 7mm lens, even if you crop the edges a fair bit.Andrew-- hide signature --Infinite are the arguments of mages. Truth is a jewel with many facets. Ursula K LeGuin Sigma DP1 Merrill Sigma DP3 Merrill Olympus E-M1 Panasonic Lumix DMC-GM1 Sony a7R IV +37 more "}"> kenw • Veteran Member • Posts: 7,504 5.4mm In reply to Lucd OMD • Apr 23, 2019 3 With a true rectilinear defishing it is equivalent to a 5.4mm lens. But the corners will be really ugly so you can trade center vs corner softness by cropping differently or using a different projection. Details here: hide signature --Ken WSee profile for equipment list Nikon Z7 Nikon Z 14-30mm F4 Tamron 70-300 F4.5-6.3 Di RXD III Nikon Nikkor Z 24-120mm F4 S Panasonic LX100 +39 more "}"> SFfPhoto • Regular Member • Posts: 204 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 24, 2019 1 Hello LucdDepending on the soft ware one uses there can be very little loss ofDeFish - Concurs DeFish ți-a pregătit multe premii - Facebook
Hope that next time his film will somehow bear a closer resemblance to it" - Galen Rowell Panasonic Lumix DC-G9 Panasonic G95 Panasonic Leica D Summilux Asph 25mm F1.4 Panasonic 12-35mm F2.8 II Panasonic 8-18mm F2.8-4 +9 more "}"> SFfPhoto • Regular Member • Posts: 204 Re: Superb museum lens Getting to be a pretty long thread.Would be nice to hear from the OP "}"> Lichtspiel • Veteran Member • Posts: 3,951 Re: Superb museum lens Agreed... I find that a perhaps slightly Panini-defished FE image looks quite natural, often even more so than a completely recti-linear UWA shot. Sony a7CR Voigtlander SUPER WIDE-HELIAR 15mm F4.5 Aspherical III Sony FE 20mm F1.8G Tamron 70-300 F4.5-6.3 Di RXD III Sony FE 40mm F2.5 G +7 more "}"> moisocr • New Member • Posts: 20 Re: Superb museum lens For anyone looking to easily defish this lens, Darktable has the corrections already loaded, you just have to select the one you prefer and apply it, it even auto crops the image.Hope this helps "}"> SFfPhoto • Regular Member • Posts: 204 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 26, 2019 @LichtspielPanini is the setting I used for the room shot (early in thread)@moisocrWhich version of DT? Did the lens profile come loaded or did you load?Am new to DT and this part is pretty technical: "}"> Lichtspiel • Veteran Member • Posts: 3,951 Re: Rokinon 7.5mm fisheye Defish In reply to SFfPhoto • Apr 26, 2019 SFfPhoto wrote:@LichtspielPanini is the setting I used for the room shot (early in thread)Yeah, looks really good de-fished, there is almost nothing lost from the width of the shot, and with the Roki, corners are excellent (if the right De-fish software is used). Sony a7CR Voigtlander SUPER WIDE-HELIAR 15mm F4.5 Aspherical. Download DeFish latest version for Mac free. DeFish latest update: FebruComments
My interests. #22 As soon as I read about the defish option in the new em1 II firmware, I ordered the Olympus 8mm pro lens. I immediately updated the len's firmware to version 1.1 when it arrived today.These first photos are taken with this lens using an em1 II body. The first uses the natural fisheye mode. The second uses the defish setting activated in the new version 2.0 firmware. These give an idea of how wide this lens is, even in the defish mode.I am going to find this lens very useful with the defish option activated. It's small, fast, and very sharp, perfect for my travel needs. I can live with the distortion evident on the far right and left sides. If I have to do so, I can crop when necessary.There are three angle options in the defish firmware setting: The second photo is at angle 1, angles 2 and 3 are narrower, but do not have the distortion at the sides.Subscribe to see EXIF info for this image (if available) Subscribe to see EXIF info for this image (if available) Last edited: Mar 7, 2018 #23 As soon as I read about the defish option in the new em1 II firmware, I ordered the Olympus 8mm pro lens. I immediately updated the len's firmware to version 1.1 when it arrived today.These first photos are taken with this lens using an em1 II body. The first uses the natural fisheye mode. The second uses the defish setting
2025-04-20To defish video. I have used the Kdenlive video editing software for this effect. Right click on the video timeline, and select "Defish":This brings up the "Defish" video effect settings:I've found that using the "Equiarea" type, and an amount of 855 works well. Alternatively, use "Stereographic" and an amount of 825. Or you can experiment and see what you like the most.Using this technique, I have made an example of a video sequence both without and with defishing. The video shows the street gamblers often seen in the Stockholm old city:Again, we see that the output video is almost rectilinear. For most practical purposes, this is good enough. Also, in the corners, the resolution is not as good as in the centre, just as we saw in the image example above. This is especially evident when viewing the video at 1080p.ConclusionDefishing image and video is easy. The output images are not perfect, but considering how extremely wide they are, I'd say they are pretty good.To avoid the stretched look in the corners, you could apply somewhat less defishing effect. This will leave some residual barrel distortion, but also leave more resolution in the corners. This could be an option if you have an image with few straight lines.In this article, I have looked at how much wider the defished output image is compared with using a rectilinear wide angle lens.
2025-04-01Activated in the new version 2.0 firmware. These give an idea of how wide this lens is, even in the defish mode.I am going to find this lens very useful with the defish option activated. It's small, fast, and very sharp, perfect for my travel needs. I can live with the distortion evident on the far right and left sides. If I have to do so, I can crop when necessary.There are three angle options in the defish firmware setting: The second photo is at angle 1, angles 2 and 3 are narrower, but do not have the distortion at the sides. View attachment 621787 View attachment 621788That is an astonishingly good correction. I will keep that in mind as I test the Samyang 7.5mm that I just bought.For what it is worth, when I just look at the photo (compared to examining it in detail) I do not see any edge distortion at all. I am sure it is visible if someone looks carefully and, of course, I do not actually know what the room looks like, other than the photo, but it all seems natural to me when just glancing at the photo.That is a very appealing function. Last edited: Mar 7, 2018 #25 The 'distortion' at the sides is just plain rectilinear distortion from being so wide. Other than that, I do see some residual barrel distortion in the furniture. Also take note that the example lacks any major detail in the corners, so you won't notice
2025-04-03"}"> Lucd OMD • New Member • Posts: 10 Rokinon 7.5mm fisheye Defish Apr 23, 2019 I was wondering how wide would be the result after defishingWhat would be the equivalent lensIf money was not an object I would buy the Laowa 7.5mm but 500$ compare to 200$ Olympus E-M1 II Panasonic Lumix G 20mm F1.7 ASPH Olympus M.Zuiko Digital 45mm F1.8 Olympus M.Zuiko Digital ED 12mm 1:2 Apple iPhone 8 +1 more ANSWER: This question has not been answered yet. "}"> ahaslett • Forum Pro • Posts: 18,551 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 23, 2019 The diagonal AoV is apparently about 180 degrees. From another perspective, it’s easy to put your feet into the image accidentally.The AoV is far wider than a rectilinear 7mm lens, even if you crop the edges a fair bit.Andrew-- hide signature --Infinite are the arguments of mages. Truth is a jewel with many facets. Ursula K LeGuin Sigma DP1 Merrill Sigma DP3 Merrill Olympus E-M1 Panasonic Lumix DMC-GM1 Sony a7R IV +37 more "}"> kenw • Veteran Member • Posts: 7,504 5.4mm In reply to Lucd OMD • Apr 23, 2019 3 With a true rectilinear defishing it is equivalent to a 5.4mm lens. But the corners will be really ugly so you can trade center vs corner softness by cropping differently or using a different projection. Details here: hide signature --Ken WSee profile for equipment list Nikon Z7 Nikon Z 14-30mm F4 Tamron 70-300 F4.5-6.3 Di RXD III Nikon Nikkor Z 24-120mm F4 S Panasonic LX100 +39 more "}"> SFfPhoto • Regular Member • Posts: 204 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 24, 2019 1 Hello LucdDepending on the soft ware one uses there can be very little loss of
2025-04-03Angle of view NOR ugly corners. See images below.The 7.5 Laowa (15mm EQ) is a terrific lens but then so is the Rokinon.My problem with making photographs with a FE that I know I will want to de-fish - is that until such is actually done I do not know if the end result is what I envisioned.The beauty of the 7.5 FE is in making 360's with PTGui. Since the angle of view is so great less image files are needed. One can use to de-fish a single image as well. Hugin w/ defish a single image also.Lots of subjects actually are great with the Rok FE. See forest scene below.My suggestion for those wanting a wide view on a budget is the Canon EF-S 10-18mm. One can use with either an AF adapter and have control or with a manual SHIFT adapter. Total for either adapter and lens +/-$300.ref: do you want to be out shooting or sitting at your computer? "}"> gary0319 • Forum Pro • Posts: 13,257 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 24, 2019 1 Lucd OMD wrote:I was wondering how wide would be the result after defishingWhat would be the equivalent lensIf money was not an object I would buy the Laowa 7.5mm but 500$ compare to 200$I own both. Here's some comparisons, not defished, but you can get an idea of the differences.RokinonLaowaRokinonLaowa Sony ZV-1 OM System TG-7 Olympus OM-D E-M10 IV OM System OM-5 OM-1 II +9 more "}"> (unknown member) • Forum Pro • Posts: 11,837 Re: Rokinon 7.5mm fisheye Defish In reply to Lucd OMD • Apr 24, 2019 1 Here is a thread I started a few days ago on de-fishing with some examples in different projections.I would try and find a SH
2025-04-01