Linked Questions

4 votes
3 answers
11k views

50mm lens=75mm on DX camera? [duplicate]

I'm looking for a 50mm lens for my nikon d3100 and I just came across an AF-S 50mm f/1.8G lens and it says in the description that if it's used on a DX camera, the angle of view is going to be 75mm. I ...
Amber Howard's user avatar
2 votes
3 answers
2k views

EF-S lens focal length [duplicate]

Possible Duplicate: Does my crop sensor camera actually turn my lenses into a longer focal length? If I have an EF-S lens with a focal length of 10mm on an APS-C camera (i.e. with sensor crop ...
Viv's user avatar
  • 3,728
0 votes
3 answers
6k 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 ...
sherlock's user avatar
  • 683
1 vote
1 answer
5k views

Crop Sensor Enhances Zoom? [duplicate]

Possible Duplicate: What is the difference between focal length and crop factor? Does my crop sensor camera actually turn my lenses into a longer focal length? I keep reading about how crop-...
L84's user avatar
  • 3,578
0 votes
2 answers
474 views

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 ...
Ludo's user avatar
  • 41
2 votes
2 answers
774 views

How does "designed for APS-C" affect focal length? [duplicate]

If a lens is designated by manufacturer as "designed for crop sensor" (i.e. DC in Sigma, DX in Nikon, DT in Sony), how would that affect the calculation of practical focal length (equivalent focal ...
Jack's user avatar
  • 21
1 vote
2 answers
1k views

About the 1.6x crop factor on a crop body [duplicate]

I have a 600D and a 7D and I use the kit lens " EF-S "18-55mm and the 55-250 mm , and I am thinking of buying a 24-105mm f4 IS USM L... so does the EF-S suffer from the same 1.6x crop factor as the ...
user24286's user avatar
0 votes
2 answers
976 views

Actual Focal Length on APS-C cameras [duplicate]

I'm aware that actual focal length of a lens on APS-C cameras is longer than what is written on the lens. My question is, for lenses that are specially designed for APS-C cameras (like a Nikkor DX ...
AllOutOfSalt's user avatar
-1 votes
1 answer
4k views

What's the real focal length for 18-55mm in my APS-C camera? [duplicate]

I want to buy a new lens (canon ef 50mm f/1.8 stm) that I know that the real focal length in my camera is around 80mm, but my question is if this happens in the same way whit my actual lens (18-55mm). ...
Pedro's user avatar
  • 1
2 votes
2 answers
284 views

Are film lenses effectively longer focal lengths on cropped-sensor DSLRs? [duplicate]

Possible Duplicate: Does my crop sensor camera actually turn my lenses into a longer focal length? My wife has a pair of Tokina lens (28-80mm and 100-300mm, I believe, without the lens here to ...
dlanod's user avatar
  • 417
0 votes
1 answer
2k views

focal length 300mm on dx camera + 2X TC [duplicate]

I saw nikon Nikon AF 70-300mm f/4.0-5.6G which works on both DX and FX sensor camera. I have Nikon D3300 which have DX sensor. As lens works on FX sensor if we use this lense on DX camera what would ...
chandrayaan1's user avatar
1 vote
1 answer
1k views

Extra reach on a crop frame body? [duplicate]

I have read on a lot of places that the crop sensor bodies give you an extra reach over the full frame bodies when using the same lens. For example over here: http://www.slrlounge.com/school/cropped-...
Ambuj's user avatar
  • 113
123 votes
9 answers
52k views

When do the differences between APS-C and full frame sensors matter, and why?

I'm trying to decide on a higher-end digital SLR, and I'm down to choosing between an APS-C model and a full-frame model. I understand that the sensors are of different sizes, and as such have an ...
Winston Smith's user avatar
47 votes
11 answers
12k views

What is crop factor and how does it relate to focal length?

I'm reading that a 50mm lens is recommended as a first prime lens for DSLR owners as it's supposed to give a 'natural' perspective, but when used on (most) DSLRs, the view is cropped, as if you were ...
Mark's user avatar
  • 1,200
25 votes
9 answers
7k views

Can a smaller sensor's "crop factor" be used to calculate the exact increase in depth of field?

If APS-C and similar crop-sensor digital cameras have a focal length multiplying effect such that a 50mm lens has an apparent focal length closer to the field of view of an 80mm on a full frame camera,...
Sean's user avatar
  • 3,837

15 30 50 per page