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Technical Details
- Brand Name: Sony
- Model: SAL50M28
- Minimum focal length: 0.34 millimeters
- Maximum focal length: 50 millimeters
- Lens Type: macro
Product Details
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Product Description
A compact macro-focus lens that covers the full range from life-size to infinity. "Life size" macro imaging means that the image you capture is the same size as the subject in reality, giving you spectacularly sharp photos of insects, flowers, gemstones, postage stamps and other small nature subjects and collectibles. Mounted on a Sony α (alpha) DSLR camera, the SAL-50M28 macro lens provides a 75mm focal length (35mm equivalent), which means it can also be used as a standard and midrange telephoto lens. FEATURES: Sharp macro focusing - You can get closer to your subject to capture low-angle shots of insects, flowers and other natural wonders -- and broad depth of field lets you keep backgrounds in focus, too. Bright f2.8 aperture - In conjunction with the Super SteadyShot image stabilization system of the Sony Alpha DSLR cameras, this lens captures bright, steady images, even working with hand-held cameras in low light. High contrast and resolution - Excellent optical precision gives your shots greater visual accuracy for close analysis of your subject. Focus range limiter - Speeds auto-focus response by limiting the range of distances that are brought into focus -- Close-up Range, or Telephoto Range. Focus hold button - For full creative control, a focus hold button located on the lens can lock auto-focusing. Auto clutch - In auto-focus mode, the manual focus ring does not rotate -- which improves handling ease. Circular aperture - Because aperture blades form a near circle at the wide openings used for low-light shots, spot-light sources have a pleasing circular defocused effect. SUPPLIED ACCESSORIES: Front and rear le
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Customer Reviews
Most Helpful Customer Reviews
30 of 31 people found the following review helpful
Amazon Verified Purchase
The Sony 50mm f/2.8 Macro lens is one of the best lenses you will ever put in your camera's mount.
I will provide the pros and cons of this lens along with my experience with it.
What most people want to know right now is whether this lens is sharp, it is. You could cut cheese bars with how sharp it is.
The fast aperture of f/2.8 allows you to use aperture to isolate your subject from the background or use it when you work under low light. It closes down to f/32.
This lens gives you a reproduction ratio from 1:4 to 1:1, that 1:1 ratio is the one that will let you take pictures of bugs or tiny things and make them look big enough on the picture with enough detail resolved to let you crop if you need to.
It's common belief that a macro lens works wonders for macros but not for normal shooting, such as portraits or landscapes. This is not true, you can use macro lenses for both purposes with excellent results. Especially from this lens.
The focal length of 50mm applies to full frame cameras (A900/850), in APS-C cameras (from the A100 up to the A700) it will yield a focal length of 75mm, which it may be an odd length to use since it borderlines on telephoto. It's not really a problem when shoooting up close but if you shoot portraits or landscapes, you may need to take a few steps back to compose, depending on what you want to display in the image.
This lens has a metal mount, a DOF scale which let's you determine how much of the subject in front of you will be in focus depending on the subject's distance and the aperture used. Something to keep in mind here: 1: The scale is tuned for Full Frame, not APS-C, and the scale is set to show in focus subjects at f/16 and f/32. Unless you shoot frequently at these apertures going for maximum depth of field, I don't think you'll find this scale useful. The best thing you could do is to look at your optical or electronical view finders (for all those new A33/55 users out there) and engage the DOF preview button (if your camera has the option) to check how much of the image will be in focus at the selected aperture. For those of you with no DOF preview option, my advice is to shoot at different apertures and get familiar with how much in focus things get when using small apertures or how less things in focus you have at wide apertures.
At f/2.8 the lens has a shallow DOF, however, wherever you set the focus point, it will be real sharp, the rest of the image will be fuzzy if you look at detail at 100% magnification (a.k.a pixel peeping) but this is normal, shallow DOF yields few things in focus. Closing down the lens makes things sharp all over the plane. The best sharpness can be obtained at around f/5.6 and f/8, beyond that things won't change too much.
A handy feature this lens has is a focus limiter switch. The switch lets you use the whole focusing range of the lens or limit it at a range you chose so it won't go beyond that while trying to focus. If you're shooting landscapes or portraits, you don't need to go beyond 1:4 magnification and if you are shooting macros at 1:1 or 1:2, the last thing you need is the lens to go at 1:4. This speeds things up when focusing, either manually or automatically.
The lens has a focus hold button, which helps you to retain focus where you set it if you're using AF instead of having the camera look for focus again. In the A100/700/850/900 you can set this button to work as DOF preview instead of using the camera's button. For some, this will be more comfortable ,so it's a handy option as well. I don't know for sure, but I assume this will also work with the new A33/55/560/580 since those have DOF preview buttons too.
The lens is mostly build of plastic, but it doesn't have a cheap feel. It's solidly built. I would just advice to be careful with the filter threads, because those are plastic too, and if you use filters or special add-ons for macro lenses, you could wear them off with frequent use. Maybe a step-up or step-down ring will be a good idea to attach to the lens and use the threads of the ring to mount filters or other things. The thread size is 55mm.
This lens doesn't have a hood, but it doesn't need it. By design, the front element is deeply recessed into the lens, be it completely drawn in or completely extended, so there is no need for a hood. If you need one, use your hand to block light rays.
The focusing ring is wide and has a good grip, unfortunately it carries the same ribbed grip that all Sony lenses carry which is a dirt magnet and hard to clean. I wish Sony dropped this and used the smooth rubbery grips Minolta used to have or the Tamron ones.
The lens focuses real fast thanks to the wide aperture it possesses. However, be careful. When using the lens for portraits or landscapes, focusing won't be a problem, the AF mechanism will do it fast and swiftly. Where it may get annoying is when using it for macro and close up shots.
The focusing axiom you need to know and always remember when shooting macros or close ups is: The closer you are to your subject, the more careful you got to be with distances, in some cases, if you move just 1 mm, you will lose focus completely.
If you think this is exaggerated, try to shoot flowers or something really small while using manual focus and breathing. You'll see that as you breathe, the subject goes from focus to out of focus.
Therefore, you shouldn't expect this lens and camera to *know exactly* where you want to focus when shooting up real close, because there is no way they will know. You can AF at 1:1 magnification, but most of the time it will make the lens hunt for focus and go all the focusing range. Also keep in mind that the closer you are, the more focusing points the camera has to choose, so you can drive the AF nuts with this.
The best way to use this lens when doing macro, is to focus manually. That will ensure you will focus on the right exact spot you want without waiting for the camera to figure out where you want it to focus. Like I said, you can use AF with it, but the lens will be prone to hunt for focus a lot, THIS IS NOT A LENS OR CAMERA MALFUNCTION. It's just the laws of optics and photography.
If you really insist on using AF with this lens, I suggest you use spot focusing and select a focusing sensor so the camera will focus with only that one, I suggest using the central sensor.
One thing you need to determine if you're considering this lens is if you will be shooting near and static subjects or subjects that will let you get close or if you're going to need to shoot from a distance and you can't get close. If you choose the first option, then this lens is for you, if you chose the latter, then I suggest you give a look to the Sony 100mm f/2.8 Macro lens or third party options, like the Sigma 105mm Macro or the Tamron 90mm f/2.8 Macro lenses. Why do I bring this up? Because if you're shooting things from a distance, this lens won't give you enough reach. I've gone through this before where I want to shoot things I can't get close to like dragonflies but I can't reach them as I want to because the lens just doesn't have enough length for it. There are several options for the Alpha mount of macro lenses which will give you reach for far subjects, but if you don't really need it, then go for this option. If I recall correctly, this lens is a bit sharper and has more contrast than it's 100mm brother.
The colors and contrast yielded by this lens are superb, images will have a color punch that Canon and Nikon users crave for but can't get from their system.
Aside from the possible short reach of this lens, the other con I can think of is the sound it makes when focusing, while it's not loud like a zoom, it does have a sort of loud deep noise when it focuses. For situations you need it to be silent, you're better focusing manually. But will all due honesty, this is nit picking.
This lens will open up worlds you never knew that existed at distances you could only dream of when using a kit lens. There is a difference between being close and being CLOSE.
If there is one lens that will not disappoint you and be versatile for macros, close ups, portraits, landscapes and whatever else you can think of (except shooting at long distances), is this lens.
I strongly suggest you look the review done by Kurt Munger of this lens, it will provide other technical information I may have missed to mention.
Price wise, it may be a bit expensive, but it's worth every penny. Unless you really need the reach, look into the other options I mentioned, just be aware that price may increase from this price point.
Otherwise, take the plunge now and treat yourself to a wonderful lens.
I will provide the pros and cons of this lens along with my experience with it.
What most people want to know right now is whether this lens is sharp, it is. You could cut cheese bars with how sharp it is.
The fast aperture of f/2.8 allows you to use aperture to isolate your subject from the background or use it when you work under low light. It closes down to f/32.
This lens gives you a reproduction ratio from 1:4 to 1:1, that 1:1 ratio is the one that will let you take pictures of bugs or tiny things and make them look big enough on the picture with enough detail resolved to let you crop if you need to.
It's common belief that a macro lens works wonders for macros but not for normal shooting, such as portraits or landscapes. This is not true, you can use macro lenses for both purposes with excellent results. Especially from this lens.
The focal length of 50mm applies to full frame cameras (A900/850), in APS-C cameras (from the A100 up to the A700) it will yield a focal length of 75mm, which it may be an odd length to use since it borderlines on telephoto. It's not really a problem when shoooting up close but if you shoot portraits or landscapes, you may need to take a few steps back to compose, depending on what you want to display in the image.
This lens has a metal mount, a DOF scale which let's you determine how much of the subject in front of you will be in focus depending on the subject's distance and the aperture used. Something to keep in mind here: 1: The scale is tuned for Full Frame, not APS-C, and the scale is set to show in focus subjects at f/16 and f/32. Unless you shoot frequently at these apertures going for maximum depth of field, I don't think you'll find this scale useful. The best thing you could do is to look at your optical or electronical view finders (for all those new A33/55 users out there) and engage the DOF preview button (if your camera has the option) to check how much of the image will be in focus at the selected aperture. For those of you with no DOF preview option, my advice is to shoot at different apertures and get familiar with how much in focus things get when using small apertures or how less things in focus you have at wide apertures.
At f/2.8 the lens has a shallow DOF, however, wherever you set the focus point, it will be real sharp, the rest of the image will be fuzzy if you look at detail at 100% magnification (a.k.a pixel peeping) but this is normal, shallow DOF yields few things in focus. Closing down the lens makes things sharp all over the plane. The best sharpness can be obtained at around f/5.6 and f/8, beyond that things won't change too much.
A handy feature this lens has is a focus limiter switch. The switch lets you use the whole focusing range of the lens or limit it at a range you chose so it won't go beyond that while trying to focus. If you're shooting landscapes or portraits, you don't need to go beyond 1:4 magnification and if you are shooting macros at 1:1 or 1:2, the last thing you need is the lens to go at 1:4. This speeds things up when focusing, either manually or automatically.
The lens has a focus hold button, which helps you to retain focus where you set it if you're using AF instead of having the camera look for focus again. In the A100/700/850/900 you can set this button to work as DOF preview instead of using the camera's button. For some, this will be more comfortable ,so it's a handy option as well. I don't know for sure, but I assume this will also work with the new A33/55/560/580 since those have DOF preview buttons too.
The lens is mostly build of plastic, but it doesn't have a cheap feel. It's solidly built. I would just advice to be careful with the filter threads, because those are plastic too, and if you use filters or special add-ons for macro lenses, you could wear them off with frequent use. Maybe a step-up or step-down ring will be a good idea to attach to the lens and use the threads of the ring to mount filters or other things. The thread size is 55mm.
This lens doesn't have a hood, but it doesn't need it. By design, the front element is deeply recessed into the lens, be it completely drawn in or completely extended, so there is no need for a hood. If you need one, use your hand to block light rays.
The focusing ring is wide and has a good grip, unfortunately it carries the same ribbed grip that all Sony lenses carry which is a dirt magnet and hard to clean. I wish Sony dropped this and used the smooth rubbery grips Minolta used to have or the Tamron ones.
The lens focuses real fast thanks to the wide aperture it possesses. However, be careful. When using the lens for portraits or landscapes, focusing won't be a problem, the AF mechanism will do it fast and swiftly. Where it may get annoying is when using it for macro and close up shots.
The focusing axiom you need to know and always remember when shooting macros or close ups is: The closer you are to your subject, the more careful you got to be with distances, in some cases, if you move just 1 mm, you will lose focus completely.
If you think this is exaggerated, try to shoot flowers or something really small while using manual focus and breathing. You'll see that as you breathe, the subject goes from focus to out of focus.
Therefore, you shouldn't expect this lens and camera to *know exactly* where you want to focus when shooting up real close, because there is no way they will know. You can AF at 1:1 magnification, but most of the time it will make the lens hunt for focus and go all the focusing range. Also keep in mind that the closer you are, the more focusing points the camera has to choose, so you can drive the AF nuts with this.
The best way to use this lens when doing macro, is to focus manually. That will ensure you will focus on the right exact spot you want without waiting for the camera to figure out where you want it to focus. Like I said, you can use AF with it, but the lens will be prone to hunt for focus a lot, THIS IS NOT A LENS OR CAMERA MALFUNCTION. It's just the laws of optics and photography.
If you really insist on using AF with this lens, I suggest you use spot focusing and select a focusing sensor so the camera will focus with only that one, I suggest using the central sensor.
One thing you need to determine if you're considering this lens is if you will be shooting near and static subjects or subjects that will let you get close or if you're going to need to shoot from a distance and you can't get close. If you choose the first option, then this lens is for you, if you chose the latter, then I suggest you give a look to the Sony 100mm f/2.8 Macro lens or third party options, like the Sigma 105mm Macro or the Tamron 90mm f/2.8 Macro lenses. Why do I bring this up? Because if you're shooting things from a distance, this lens won't give you enough reach. I've gone through this before where I want to shoot things I can't get close to like dragonflies but I can't reach them as I want to because the lens just doesn't have enough length for it. There are several options for the Alpha mount of macro lenses which will give you reach for far subjects, but if you don't really need it, then go for this option. If I recall correctly, this lens is a bit sharper and has more contrast than it's 100mm brother.
The colors and contrast yielded by this lens are superb, images will have a color punch that Canon and Nikon users crave for but can't get from their system.
Aside from the possible short reach of this lens, the other con I can think of is the sound it makes when focusing, while it's not loud like a zoom, it does have a sort of loud deep noise when it focuses. For situations you need it to be silent, you're better focusing manually. But will all due honesty, this is nit picking.
This lens will open up worlds you never knew that existed at distances you could only dream of when using a kit lens. There is a difference between being close and being CLOSE.
If there is one lens that will not disappoint you and be versatile for macros, close ups, portraits, landscapes and whatever else you can think of (except shooting at long distances), is this lens.
I strongly suggest you look the review done by Kurt Munger of this lens, it will provide other technical information I may have missed to mention.
Price wise, it may be a bit expensive, but it's worth every penny. Unless you really need the reach, look into the other options I mentioned, just be aware that price may increase from this price point.
Otherwise, take the plunge now and treat yourself to a wonderful lens.
47 of 56 people found the following review helpful
Amazon Verified Purchase
Rather than "reviewing" this lens, I will instead point out features which I feel will be important to a potential buyer.
* Lens made in Japan - not Chinese junk.
* Razor sharp images.
* Very crisp and bright for an F2.8 lens - it "feels" like an F1.4 lens.
* Absolutely no vignetting in the corners - full coverage.
* Focus range limiter - either infinity to close, or close to macro. Can be turned on or off. The focus range limiter is a very important feature - it prevents the camera from needlessly swinging the lens all the way from infinity to macro when it re-focuses.
* Uses 55 mm filter rings.
* Macro focus works a LOT closer than advertised. You can photograph a flea on a fly if you want.
* On-lens focus hold button - temporarily turns off auto focus if you need to. This is very useful for getting the *exact* spot in focus that you want (especially in macro mode).
* The Focus Hold button can be programmed in the camera to do focus hold OR depth of field preview.
* Iris leaves are nice and symmetrical - another sign of quality.
* Iris has 7 leafs - and they are slightly curved so that the aperture is almost a perfect circle at any F-stop.
* Lens is smooth and tight - nothing rattles like "cheap" lenses do.
If you buy this lens, you will not be disappointed.
* Lens made in Japan - not Chinese junk.
* Razor sharp images.
* Very crisp and bright for an F2.8 lens - it "feels" like an F1.4 lens.
* Absolutely no vignetting in the corners - full coverage.
* Focus range limiter - either infinity to close, or close to macro. Can be turned on or off. The focus range limiter is a very important feature - it prevents the camera from needlessly swinging the lens all the way from infinity to macro when it re-focuses.
* Uses 55 mm filter rings.
* Macro focus works a LOT closer than advertised. You can photograph a flea on a fly if you want.
* On-lens focus hold button - temporarily turns off auto focus if you need to. This is very useful for getting the *exact* spot in focus that you want (especially in macro mode).
* The Focus Hold button can be programmed in the camera to do focus hold OR depth of field preview.
* Iris leaves are nice and symmetrical - another sign of quality.
* Iris has 7 leafs - and they are slightly curved so that the aperture is almost a perfect circle at any F-stop.
* Lens is smooth and tight - nothing rattles like "cheap" lenses do.
If you buy this lens, you will not be disappointed.
11 of 11 people found the following review helpful
By P. Pham
This is a MUST HAVE glass for your Alpha system! I shoot this on an A700 and a KM 5D. Beside the 1.5x factor (which really makes this lens more like a 75mm) it is TACK SHARP. Whether you shoot macro or for general shooting for portraits. This glass is going to give you the sharpness you need, the color you wish for, and the depth in your subject. The only reservation i have for this glass is that it's a plastic body with a rubber focus ring, which the rubber will tend to get "old" as it ages. But don't get me wrong, it's a good build and never feels "cheap" in your hands. The focus on this is bearable but not super fast when you're in macro mode. Use the focus limiter button and it will surprise you how fast it can keep up even on the KM 5D. It's a prime glass piece! Pay for the price but you won't regret it!!!
Most Recent Customer Reviews
4.0 out of 5 stars
Great!
I'm still learning how to use this, but it is a lot of fun. It arrived ontime and in perfect condition. The lens was in plastic in the box with the instruction manual. Read more
Published 3 months ago by Kristin
5.0 out of 5 stars
Great as a macro and portrait lense!
Got this in one day but used 2nd day shipping! Now about the lens. I am extremely pleased with the sharpness and clarity in macro and portrait mode. Read more
Published 4 months ago by David C. Massey
5.0 out of 5 stars
Sony 50mm f/2.8 Macro lens makes closeups easy
I've been using this lens to photograph details from silver and porcelain for sale on Ebay. The tiniest silver marks and porcelain makers marks are exceptionally clear and can be... Read more
Published on February 19, 2011 by William R Kenny
5.0 out of 5 stars
Great macro lens!
This is a great little macro lens - not too expensive, considering the image quality. Images are very sharp, once you get the hang of focusing on very close objects. Read more
Published on November 6, 2010 by Fabius
5.0 out of 5 stars
Great lens!
All the professional reviews that I've read for this lens have been spectacular, and I concur. For someone new to DSLRs, I thought that the lens was pricey for no zoom, but the... Read more
Published on January 22, 2010 by vlim
5.0 out of 5 stars
Awesome Macro Lens!
wow! i hardly ever take this off my camera! i can take a pic of bacteria with this thing! lol, seriously an awesome lens though, you can see very fine detail in the eyes of bugs... Read more
Published on August 12, 2009 by Ricardo Elizondo
5.0 out of 5 stars
Great product!!
Sony 50mm f/2.8 Macro Lens for Sony Alpha Digital SLR Camera
Great product!! This lens met all of my close up needs... Read more
Great product!! This lens met all of my close up needs... Read more
Published on September 5, 2008 by Mary E. Guarino
4.0 out of 5 stars
Just what I expected
It is a Sony product, afterall. This macro lense gets you up close and personal with a tight shot of detail.
Published on May 25, 2008 by C. A. Robinson
5.0 out of 5 stars
Excellent quality. If you shoot macros: get it
If you want to shoot macros, you have to buy this lens. I used it with A700 and got very sharp images that I cannot get using other lenses.
Published on April 10, 2008 by Sami B
5.0 out of 5 stars
Sony 50mm f/2.8 is GREAT!
Sony 50mm f/2.8 Macro Lens for Sony Alpha Digital SLR Camera
This little lens is BIG on performance. Read more
This little lens is BIG on performance. Read more
Published on April 4, 2008 by Kathy Adams
