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Questions tagged [crop-factor]

"Crop Factor" refers to the sensor size of a camera relative to a 35mm (Full-Frame).

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Why doesn't full frame have faster shutter speed than crop (all other things equal)?

I enjoy amateur wildlife photography, and have always used crop camera bodies + long lenses, and usually shoot handheld. Obviously the main difficulty is that I need very fast shutter speeds to get ...
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149 views

How to calculate focal reducer crop factor for APS-C to MFT?

As far as I can tell, the crop factor determines the size of the projected image circle and should match the ratio of sensor diameters (with standard mount forward / backward distance). My ...
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Field of view using 50mm APS-C lens on APS-C body vs 50mm FF lens on FF body? [duplicate]

I am taking 2 pictures using: Nikon D3400 APS-C sensor and an APS-C kit lens, 18-55mm set at 50mm Nikon D850 full frame camera and a full frame lens 50mm that is designed for full frame Nikon ...
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Why don't my calculations based on a crop factor of 1.5 work for the Nikon P1000?

I know that Nikon cameras APS-C sensors has a crop factor of 1.5 but if we apply this to calculate the equivalent focal lenght in 35mm format for the Nikon P1000 camera we will not get the exact ...
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284 views

How can I see the equivalent focal length of the current zoom of my Nikon P900?

I have a P900 that I use for birding. It's great for carrying around and not so great when (as usual) the light is low. I'm considering using an alternate set-up, for example a D500 coupled with a ...
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456 views

Can you use a focal reducer with a teleconverter?

I don't believe it would be possible to do it but, is it? If I was to use say a full frame 50mm lens on a 2x teleconverter with a 0.71x focal reducer on APS-C would it work? Would you also get the ...
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What's the equivalent of a 85mm portrait lens on Sony A6500 (APS-C)?

When conventional wisdom refers to 85mm as the perfect lens for portraits, it refers to 85mm for a full frame sensor. Is this right? In that case, is it correct to apply the crop factor and say a 55mm ...
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134 views

Which lens focal length to match binoculars' magnification: An alternative approach

The question of how lens focal length and binocular magnification appears to have been asked over 3.86 quinzillion times. Regardless, it's still hard to get an answer the layman can understand. I'd ...
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1k views

APS-C crop factor 1.5x or 1.53x

I'm having issues wrapping my head around how to get crop factor based on 35mm. I understand what crop factor is but my math is confusing me. For example, everyone knows that aps-c is a 1.5x crop ...
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How does crop factor affect perspective?

I have a question about crop factor and how it affects the perspective. Suppose you have one Super 35 camera and one APS-C camera. As far as I understand, to photograph the same image on the APS-C ...
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Does crop factor affect light meter readings?

I was reading about crop factors that for example a Polaroid land camera on f/3.2 lens is something around f/1.4 equivalent in 35mm film including the crop factor. ( Until now I was under impression ...
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Crop Factor in real world, Sigma 150-600mm C on Canon 1300D [duplicate]

After I bought Sigma 150-600mm f5-6.3 Contemporary DG OS HSM Lens I ran some tests. This test was to see the difference in focal length compared to a crop sensor lens vs this full frame lens on a same ...
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114 views

Can I emulate a fullframe sensor with angular lens? [duplicate]

If I'd use a 30mm lens on a crop sensor, would it be like a fullframesensor with a 50mm on it? 30*1.6=48~50
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How do I find an interchangeable mount lens that's similar to the lens in my compact camera? [closed]

I’m considering buying a Sony A7 II camera to move from my Panasonic LX3 compact camera to an interchangeable lens system. I like to take pictures of people in bad light without flash without them ...
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1k views

Confused about T-stop number. Does it account for crop factor?

I understand that a T/stop number deals with how much light is let in, instead of the sensor size vs. aperture like the f/stop number. However, what I haven't found is whether or not that T/stop ...
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509 views

FX & DX Lenses on DX Body [duplicate]

If I use a 50mm prime FX lens on a FX camera, I will get 50mm. If I use a 50mm prime FX lens on a DX camera, I'll get 75mm (assuming 1.5x crop factor). Now, if I use a 50mm prime DX lens on a DX ...
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520 views

Full frame lens works normally on Nikon DX body [duplicate]

I have the Nikon D5300 and it comes with a kit 18-55mm. I've been looking to get a 50 prime, and my friend has two (1.4 and 1.8) which she let me try out yesterday. So, my camera is not full frame, ...
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106 views

Should I quote focal length using equivalent focal length in a photobook?

I'm putting together a (non-commercial) photobook from a year in a foreign country. I took all the photos with the Canon EOS-M3 which has an APS-C sensor (crop factor 1.6). I want to quote the ...
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2answers
149 views

What mm equivalent is my Kodak No. 31 Anastigmat F 4.5 5 1/2 inch lens?

I just purchased an old large format Speed Graphic camera. It came with a Kodak No. 31 Anastigmat F 4.5 5½ inch lens on a Compur shutter. I was wondering what equivalent mm focal length of this lens ...
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480 views

D.O.F equivalence in micro four thirds vs full frame [duplicate]

I know that a 25mm lens in a micro four thirds camera is equivalent to a 50mm (crop factor 2x) in a 35mm sensor camera. What change will there be in depth of field ?
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551 views

Will cropping an FX image to DX size have the same end detail for sensors with the same MP?

Let's say I have a 90mm and an 135mm lens, and Nikon's 24mp full frame and 24mp APS-C DSLR. Assume they are the same optically. Now, based on what I understood, doing a DX-crop on the image taken by ...
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4answers
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Why does lower focal length magnifies objects better comparing to other camera? [duplicate]

I have a newbie question about focal length, what it actually means for lenses and how I can translate this into "how close to the target it's going to practically take me" (I don't want to use the ...
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171 views

If I select lenses to give the same framing on APS-C and full frame, would I get the same DoF at the same aperture?

As far as I understand DoF is dependent on how far away you are from the photographed obect, and because with different sensor sizes you have to choose a different distance between you and the object ...
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282 views

Why don't lens manufacters just label their lenses in 35mm equivalent terms? [duplicate]

I recently read a question asking if a 35mm DX lens on a APS-C body would produce a 35mm picture. There was a good bit of discussion / corrections regarding the crop factor vs field of view ...
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294 views

Do I need to worry about crop factor or sensor size when comparing wide angle lenses for the same camera?

I want to upgrade my wide angle lens to wider, but I don't understand well which lens will give me wide enough angle. I have Nikon D7000 and Nikkor 18-70mm, but I'm thinking of upgrade Tokina 11-16 or ...
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310 views

Will stepping back and using an FX lens on a DX body get the same “look” as the same lens on an FX body?

Using 85mm as an example, how can I get the same "85mm look" (shot on a FX camera with an 85mm FX lens) on a DX camera with the same 85mm FX lens?? I know a 58mm FX lens (87mm DX equiv), shot from ...
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3answers
3k views

Is it like an 18-55 DX lens on a DX body effectively equivalent to 27-82? [duplicate]

I'm confused after reading the question and the first reply. The asker asks, I'm becoming more interested in landscape photography and want to add to my Nikon DSLR a wide angle lens, but I dont ...
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2answers
442 views

Canon APS-C: what is the maximum sensor size EF-S lenses are designed to support?

Given that Canon APS-C cameras differ in sensor size (e.g. 70D has a 22,5 x 15,0 mm and 700D has 22,3 x 14,9) is it possible for future models to switch from a 1,6 to 1,5 factor like Nikon crop ...
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2answers
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Why are crop lenses indicated with focal lengths they don't have? [duplicate]

If we will use crop lenses only on crop bodies, why do we call crop lenses for example "10mm" when they are effectively "16mm" (with a crop factor of 1.6 in this case)? I am familiar with the history ...
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254 views

Can I increase 35mm-equivalent focal length with both the crop factor and an extender?

I have a Canon EOS 7D Mark II (1.6x crop factor), and I have a Canon EF 100-400 IS USM. Working with just 400mm for the purposes of this question, my understanding is that my 35mm-equivalent focal ...
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4answers
5k views

Does an APS-C lens label itself with effective or true focal length? [duplicate]

I'm not sure if I've phrased this correctly, but I've just purchased two prime lenses: Nikkor 50mm f1.8/G (FX) Nikkor 35mm f1.8/G (DX) I know that the effective focal length of the 50mm FX lens is ...
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1answer
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Does the D7200's 1.3x image area setting crop a RAW file in-camera?

Apologies for the poor explanation, I'm a Pentax guy so not very familiar with Nikon gear, and have been asked if there is any way to fix this problem. My MIL has a Nikon D7200 which has had the "...
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2answers
2k views

35mm DX prime lense on dx crop sensor(nikon d3300) [duplicate]

I have Nikon D3300 DSLR. I'm confused with 35mm and 50mm prime lenses on FX and DX cameras. Somewhere I read that if a 35mm prime lens is used on a FX camera the focal length is equivalent to around ...
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429 views

How does “crop factor” relate to the area of a sensor compared to full frame?

What is meant when someone says that a 1/2.3 sensor has a crop factor of 6.22? How many times the area of a 1/2.3 sensor is a full-frame sensor? Please include plenty of details. Another ...
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2answers
141 views

Does 4.0-72mm on the lens when equivalent focal length is 24-432mm mean crop factor of 6×?

The Samsung WB250F has 4.0mm-72.0mm printed on its lens, and its 35mm equivalent focal length range is 24mm-432mm. Does that mean it has a 6x crop factor?
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50mm or 35mm lens for a DSLR with 1.6 crop factor? [duplicate]

I have a Canon 500D, with the original lens EF-S 18-55mm f/3.5-5.6 IS II. I would like to try a prime lens, but I don't know whether I should choose a 35mm or 50mm lens. I read that the 50mm was ...
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2answers
553 views

Crop Factor: Can a full-frame Nikon Camera be set to use a DX lens, with no crop-factor?

Having read this question, I understand that a full-frame Nikon FX camera will apply a crop to the camera sensor's field of view when using DX lenses (?) - Does a Nikon DX lens on a FX camera get ...
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2answers
821 views

How do you calculate the focal multiplier of a non-full frame camera?

I'm currently using a Sony RX100 Mark 3 camera and want to buy a Canon 6D + 24-105 F4 L lens from an online retailer, which is not in my country. (before continuing I'd like to state that there are ...
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0answers
276 views

When using an EF-S lens, do I need to multiply by the crop factor? [duplicate]

I do know the physical difference between EF-S and EF lenses, but what I don't know is if I have to multiply by the crop factor (1,6) or if this is already taken into account in design?
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60 views

Crop factor on Crop lenses [duplicate]

Is there crop factor for crop lenses on a crop sensor camera? I have an a6000 and I really need to know if crop factor applies to my new 18-105 G Lens
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229 views

how to calculate “FocalLenIn35mmFilm” with limited metadata

Im creating an app that uses "FocalLenIn35mmFilm" to calculate feild of view(FOV). unfortunately not all photographs contain this property in their meta data, the Motorola Nexus 6 is an example. The ...
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If APS-C sensor crop factor is 1.6 does it mean if I use 300mm lens with 2x teleconverted I'll get 960mm focal lenght? [duplicate]

Basically if I use this combination of lenses on my Canon 70D will it be like having 960mm lens?
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1answer
350 views

Comparing focal length [duplicate]

Hello I want to move from my compact camera to a dslr. I am fan of landscape photos so I want to buy an ultra-zoom lens. My camera supports 14x optical zoom. I know that for compact cameras it's just ...
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2answers
425 views

Does crop factor affect exposure time?

I'm confused on this, even after researching: Given 2 cameras- one full frame with 50mm lens, one Micro Four Thirds (2x crop factor) with 25mm lens, let's pretend the cameras are beside each other, ...
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2k views

Equivalent focal length and aperture of 150mm medium format lens on a 35mm camera

I'm mounting a Hasselblad Sonnar C 150 mm f4 on a 35mm sensor (43mm diagonal) camera. What is the calculation to get the new angle of view and equivalent focal length? Does this also affect the ...
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2answers
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Why does this article say that a 1.5× crop factor sensor is 43% smaller than a 35mm film cell?

From http://www.digitalbirdphotography.com/2.3.html In the case of full-frame sensors, the pixels are spread out over a relatively large sensor: roughly 36mm by 24mm. This just happens to be ...
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536 views

What full frame lens for my new FX camera would be nearest to 18-105mm on my old DX-format D7000?

I've just gone 'up' to a full frame camera, the D610. Now I have to buy all new lenses. Which would be the nearest to my old 18-105mm that I had on my cropped D7000?
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4answers
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Does the crop factor affect the field of view (FOV)? [duplicate]

I'm working on smartphone cameras. I want calculate Field Of View of different smartphone cameras using the formula : FOV = 2 arctan(SensorSize/2f) where: f is the focal length sensor size is the ...
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2answers
6k views

What are the effects of using a crop lens with a full frame sensor?

If I attach a crop lens (e.g., a Sony 50mm 1.8 OSS for Sony E-mount) on a full frame sensor (e.g., on a Sony A7), are there changes to the focal length, aperture, and F number? And will we have a ...
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341 views

Should I use 0.976 as the Canon 5D mkII Crop Factor / Focal Length Multiplier?

When I import images from my Canon 5D mkII to Hugin I've noticed that it auto inserts the value of 0.976 as the Focal Length Multiplier. Should I change this to 1? The images meta-data read with ...