Linked Questions

0
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2answers
218 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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2answers
4k views

Does F number stay the same between 35mm and Medium Format?

Rented a medium format camera to see "what is this medium format look" everyone talks about! and evaluate if it is awesome enough to start saving money for it or not. So my own camera is a Nikon D-...
0
votes
2answers
1k views

Will a Sigma 35mm f/1.4 cropped to DX mode give adequate results vs full-frame Nikon 50mm f/1.4?

I own a D800 and the Nikon 50mm 1.4. I'm wondering, what if I bought the new beast Sigma 35mm f1.4 (sell my nikon) and if I need a 50mm, I just enable crop mode, which roughly give me a 50mm. The ...
4
votes
1answer
497 views

Lens f-number and speed on adapted lenses

A lens has a focal length, and its entrance pupil has a diameter. The ratio of these is an f-number. The size of the entrance pupil is limited by the size of the front element, and we describe lenses ...
4
votes
1answer
615 views

How does Depth of Field change when changing distance to account for cropped sensor?

I know that if I take my full frame lens (for example 50mm/1.4) and put it on an APS-C sensor, the field of view (FOV) changes. So what I will do is move back to retain the same subject magnification. ...
4
votes
1answer
413 views

What is the camera's influence on lenses' optical properties?

I installed my 50mm f/1.4 Nikon lens on my Olympus E-P1. I notice some properties of the lens changed — namely, magnification and DoF both increased. I understand magnification increases because of ...
3
votes
1answer
1k views

What will I lose by switching from FX to DX mode (with an FX lens)?

I have a full frame camera (Nikon D-810) and a tele lens (Nikon 70-200mm) and want to use it as my first experience in a fashion runway show. It is not like I want a full frame to capture a landscape ...
2
votes
1answer
1k views

Why do DPReview's charts show the G7X II as having an aperture around f/8?

I have a Canon G7X II camera, which has a 24-100mm f/1.8-2.8 lens. Why does DPReview's chart show it having an aperture of around f/8 at a focal length of 100mm?
2
votes
1answer
545 views

Do crop sensors increase the depth of field when using full frame lenses?

I'm trying to achieve maximum depth of field without sacrificing light. I have a micro-4/3rds camera and i want to attach a full frame lens to it for the large and constant aperture. My question is, ...
1
vote
1answer
184 views

How does amount of blur compare between differently-sized sensors using lenses with equivalent focal length?

Let's say we compare two bundles: 1) cropped DSLR with crop factor 1.6 and 50 mm fix lens set on f/1.4 aperture 2) full-frame DSLR and 50 * 1.6 = 80 mm (which is not far from 85 mm) fix lens on f/1....
1
vote
1answer
675 views

What compact interchangeable lens cameras have manual video?

I'm looking to buy a single camera to use both as a personal snapshot camera and as a video camera to document my artistic work (mainly kinetic sculptures and light installations). The micro four ...
0
votes
1answer
2k views

Will the Sony FDR-AX100 really be better in low light than the Sony FDR-AX33, even though the latter has a faster lens?

I see that Sony FDR-AX100's lens has opens at f/2.8 while Sony FDR-AX33's lens opens at f/1.8 I am often doing photos (Canon 6D) or videos in places where a f/1.8 lens would be a great advantage over ...
0
votes
1answer
1k views

Depth of field: 28mm & crop vs 50mm & full frame [duplicate]

I've seen the posts about the angle of view being the same for a 28mm lens on a 1.6 crop sensor as for a 50mm lens on a full frame. I understand it. But what about the depth of field. Will that ...
1
vote
0answers
32 views

For the same attainable sensitivity, how does DOF depend on sensor size? [duplicate]

It's well known that all other settings being the same, larger sensor translates into a shallower DOF. However, for the same number of pixels, doubling linear size of the sensor size would quadruple ...
1
vote
0answers
181 views

DOF with a telephoto lens [duplicate]

Possible Duplicates: What does it really mean that telephoto lenses “flatten” scenes? Why is depth of field affected by focal length? Quick Question. When using telephoto lenses ...

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