The f-stop will remain the same but the quality of the bokeh will be a little different. I remember my mind being blown at the discovery that some lenses read differently on different cameras because of sensor size. Canon 5D and 1D. I have the 50 mm 1.8 & 35mm 1.8 but wanted to know if there would be a big difference to trade in/up my 50mm 1.8 for a 1.4? Good explanations, thanks. I recommend primes to people who have a stronger fine art interest, or who plan to shoot the same subjects over and over, and want to teach themselves the fundamentals of composition through restriction while still using a high quality lens. I have a 35mm 2.0 (great for group shots) and really like it! I have a either a Nikon D2700 or D7100. Thank you. It seems to allow more of the room/space and I think that might work better for group photos…any feedback would be appreciated. This is like the black vignetting you get when trying to use a lens designed for crop sensors on a full frame camera. We’ll talk more about that later. And i could afford a bright 1.8 one. I have a Canon T3i body. The D7100 is a crop sensor. You must be equipped with knowledge about crop frame and full frame sensors and lenses because not all lenses work on all DSLRs, even within the same brand. I am hesitant to get a prime lens vs a zoom. I was going to email you again this week and ask about lens. Alexa Mini LF. I’m a photography newb and I have done nothing but read various blogs and articles on the comparisons of these lenses. If you want a good wide angle lens for a crop sensor, check out the Tokina f/2.8 11-16 mm!! This post may help you with deciding between the 1.8 and 1.4 – But what's this business of wider angles? But I think it’s more correct to stick to angle of view. Shutter Speed Chart and Tips on How to Master It, What is a Macro Lens? Hope this helps!! I have a question. But crop sensor … Thus, you must understand them too. Do you recommend a prime lens, and if so, would the Canon EF 20 mm or EF 35 mm be appropriate?,,,, However, I have heard so much about the “nifty fiftys” and want a lens that will give me that great aperture effect. On most DSLR cameras, the digital imaging sensor, which replaces film, is significantly smaller than 35mm film. Please could you suggest me which type of frame will be good for me. Simply put, crop-sensor cameras are those that have image sensors that are smaller than a physical frame of 35mm film. For a little closer (but not too close) good options are the 24-105mm and the 24-70mm. While full frame sensor cameras can’t use crop sensor lenses, they also don’t come with any need to calculate your focal length multiplier so long as you stick to the full frame lens inventory. A full-frame lens is roughly equivalent to a 35mm frame of film, while an APS-C sensor is a little bit smaller. This is great for traveling and keeps these lenses relatively affordable. Save my name, email, and website in this browser for the next time I comment. Here is an analogy to help you think of this in a different way: Imagine you have a picture frame. The standard frame size was 24mm x 36mm for still cameras. Next post – zoom lenses. What I am curious about is what the picture difference is between a crop and full-frame. I was able to identify my Canon T3i 600D as an APS-C camera with your chart, but I wanted to point out that I couldn’t find any mention of “APS-C” or “Full Frame” in the specs. I LOVE IT! While FX is a full-frame sensor, DX is a crop-frame sensor. I learned so much about my camera and the lens that goes with them. Great post! That sensor lives inside the full frame sensor camera. Turn your creative vision into reality with online photo & video equipment rentals. Back in the stone age when we all used film, 35mm became the gold standard film size. Thanks to Trisha for letting me borrow your 35mm. I know they are alot cheaper but is it really worth it? But my absolute favorite lens I own now is my 100mm 2.8L and LOVE LOVE LOVE it! I find it very hard to take good lightning photos at times. My Nikon D90 has a 1.5x “crop” sensor. Don’t want to have to keep changing lenses, but want something that can do a good job on both. This is the exact same lens on the 7D, then on the 5D: Yeah yeah, I knew that. Are there any specific lens (type) I should be looking for. But on crop sensor … I’ve printed and saved this for school. You can fit more cropped sensors on a silicon wafer during production than full frame-sized sensors so the yield is higher, making the cost lower. But your apparent focal length is closer to 80mm. Our own camera body listings on will also note the sensor size. I will be using it mainly for astrophotography so i kind of want a f/2.8 or f/1.4 aperture to capture some things on the sky . (1.0x, or no multiplier, for full frame and either 1.5x or 1.6x for crop frame – there are also cameras with 1.3x crops, but they are uncommon). Therefore, if you want to calculate the equivalent focal length for a compact DSLR, you would divide the 35mm focal length by 1.6 for Canon or 1.5 for Nikon. This Crop Factor Calculator Makes Sensor Math a Breeze. Thank you for a wonderful comparative display. Thank you for the lens recommendations! What you don’t say is that the sharpness of a Canon full frame lens will be severely compromised on a crop body (see DxO Mark data). So on that note, if you are one of those who say things like “give it some bokeh”, then you need to stop. Thanks for any input. Full frame cameras should only use full frame lenses. I mostly prefer travel friendly camera/set up with natural and also portrait. Absolutely the best explanation of crop frame and full frame sensors I’ve come across, and one of the best written explanations I’ve ever read for anything I’ve ever researched on the web. Find out if you own a crop frame or full frame sensor camera. I think if you can afford the 35mm 1.8 and are going to be doing a lot of indoor shooting maybe you should get that one. Stop feeling frustrated with your DSLR. You must be equipped with knowledge. So those crop frame sensor lenses are designed for crop frame sensor cameras because of the vignetting-preventing image circle they use (which allows allows for a smaller build overall, too). But another friend (and my wallet) say stick with a better crop sensor. Full Frame Sensor vs Crop Sensor: Choosing Which is Right For You. Thanks for clearing that up :) I’m going to make a purchase on Amazon later! Thank you in advance. Throughout this book and Stunning Digital Photography, I list focal lengths in 35mm equivalent. Thanks for the advice, I am loving this website, feel like I am learning so much! For the average consumer, a smaller 1.5x or 1.6x sensor … I do have a question though. My camera came with a standard 18-55 mm but the photos seem so “blah”. Kodak states that 35mm film has the equivalent of 6,000 pixel horizontal resolution. I am now dreaming of getting a 35mm 1.4 with my D700, but just dreaming for now :), I have been searching the net for something like this. lol, lol,Courtney, I understand aperture. Love love your ideas! In the digital age, APS-C sensor cameras occupy a formidable presence among pros and amateurs alike. Whereas, a crop-sensor (also called APS-C) has a crop factor of 1.5x (Nikon) or 1.6x (Canon). I want to be able to get a small focal area., Canon EF 28mm f/1.8 ... have to calculate a “full-frame equivalent” and that’s when the ... any focal length and aperture f-stop into its 35mm equivalent. Here on our blog, you’ll find inspirational content, reviews, tutorials and BL updates all geared to help your creative production. Sensor modes are becoming more common, which is great news for people who see the virtue of both modes and don’t want their lens choices to be limited. If you are looking to get really close to something you would want a higher number. I am interested in Concert Photography. But examples are always more helpful. I was looking at the 50 mm lens because I love the look of the closer up portraits but now I’m considering the 35 mm after seeing these shots. Have been reading a lot lately reg this topic, but this is by far the best and simplest of all. If you want to calculate the equivalent focal length for a Micro Four-Thirds camera, you would divide the focal length by 2. Most crop sensor DSLRs use the “APS-C” format, which is a 3:2 ratio, as is full frame, but approximates the size of Advanced Photo System Classic film, which is closer to 24mm rather than 35mm. Crop sensor refers to any sensor smaller than the 35mm film frame. best article about diferences between prime lenses, ever!! I have a 24/70mm 2.8L and don’t love it at all. If you’ve come this far and understand most of what you just read but still feel a bit out-to-sea, fear not! This is great for traveling and events where you might not have the room to carry around, or the time to change out, multiple lenses. I have a canon 50mm 1.4 and love it, but I find it to be too tight for indoor lifestyle shooting., Canon EF 20mm f/2.8 Check out this article for more details: 35mm Film / Full Frame vs APS-C / Crop Sensor Comparison As a result of introducing this new format, manufacturers had to find a way to explain that the smaller format does impact a few things. FYI-I use D7100. The cameras supporting this sensor can be smaller and usually cheaper, what is a nice benefit. Thank you sooooo much! A 24mm focal-length lens will have the equivalency of 36mm. Full frame lenses are built for the 35mm size sensor so what it says is what you’ll get. Of course I don’t mind! Very helpful for anybody wishing to get a second lense! I will try and capture a 50mm verse a 20mm of the sky sometime soon :O). Hello! Do you agree that the 35 would be best or would the 50 still do the trick for catching 2 kids at once? Thanks girl. A visual approximation. Your email address will not be published. While I want a nice lens, I am looking for something that is slightly more cognitive of my bank account. Simply multiple the length of the lens by the amount the sensor is cropped. I recommend zooms to people who plan to shoot a lot of family events, vacations, or a larger variety of subject matters. I’m traveling to Portugal this summer and was trying to figure out what lens I should buy for my travels, 35mm vs 50mm. Thank you from Switzerland, and thank you in the name of others that need such help. I love that lens, however I need a bit more of a wider shot when I’m using inside because I can only go as far back as my wall takes me. Thanks again. For Canon, full frame lenses are expressed as “EF” lenses while crop frame lenses are expressed as “EF-S”. :-), 24-70mm 2.8 is my biggest dream.. After reading your article and from my limited prior knowledge I was thinking the Nikon 35mm f/1.8G AF-S DX looked like a good option. But I am also not big on landscapes or cityscapes. This goes a long way toward teaching beginners some of the fundamentals of good image making. * Do you mean will 35mm give the same quality as 50mm in a crop sensor camera (both attached to crop sensor)? The 35mm may be just what you are looking for. Imagine a 35mm piece of film, crop the edges down, and that’s your crop frame sensor. Check out our entire Sony full frame mirrorless collection here: But how does that affect my lens choice? George. Not every Nikon lens works well with every Nikon camera. The standard frame size was 24mm x 36mm for still cameras. great minds think alike, for my I learned this coming week, I was going to post a 100mm, 200mm, 400mm, 500mm. Oh wow! I do love my 50mm and it lives on my camera most of the time but I have a full frame camera. The crispness is amazing but obviously no wide angle. 8:00 am• It can actually hamper things like sports shooting when trying to pan. I have canon 7d and lenses 17/55 2.8 is 70/200 f4 and10/22 wide which total or use on travelling or going to safari in Africa also have canon extender 1.4. If full frame sensors match 35mm film, then exactly how big is a crop frame sensor? I would like a general purpose lens or maybe I need two lenses. See this article for more on that: Can you please do me a favor and take a picture of the sky w your 20mm? Here are some links for further exploration:,, (not a GM and also a bit slower in max aperture). Here’s some Q & A to help explain the difference. Respectfully. “Full-frame 35mm” sensor (36 x 24 mm) is a standard for comparison, with a diagonal field-of-view crop factor = 1.0; in comparison, a pocket camera’s 1/2.5” Type sensor crops the light gathering by 6.0x smaller diagonally (with a surface area 35 times smaller than full frame). I was trying to comment on the bokeh post. I am looking at purchasing my next lens. That is a good article. Thanks again for the wonderful website and info that you share. Low light sensitivity will be your primary concern when photographing concerts. For practically usable camera, we face two major sensor formats – Full Frame and APS-C Sensor format. 35mm Film / Full Frame vs APS-C / Crop Sensor Comparison As a result of introducing this new format, manufacturers had to find a way to explain that the smaller format does impact a few things. What an incredibly helpful post!