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Manual focus is the direct control of a camera/lens's focus by the photographer. This is generally accomplished by turning a focus ring which is mechanically coupled to the lens's focus, but some cameras without focus rings allow manual control over the autofocus motor.

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114 views

Why does my photo become blurry in manual focus? [on hold]

When I'm shooting in auto-focus mode, the pictures that I got are crystal clear but when I'm using it in manual-focus mode with the same conditions, the photos become blurry. I also have a question ...
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2answers
74 views

How does aperture affect focus area? [duplicate]

How does the aperture affect the focus area? Here are some examples: With an 35mm(50mm)/f1.8 prime lens What f-value will bring a group of people standing in five rows into focus? What f-value will ...
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1answer
66 views

How to use Focus Magnification on Sony A7 with adapted lenses?

When I bought the Sony A7 I put a Kiwi adapter on it and tried using my old 24mm and 28-200 and both Focus Peaking and Focus Zoom still worked. Today with that same adapter I was looking at a Nikon 50 ...
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1answer
61 views

200mm Macro lens, get a new or old MF-only lens?

Context The Sony E-Mount series only has two official macro lens, the 30mm for APS-C and 90mm for full frame. I'd like to get a macro lens to play with at 200mm but given how Sony doesn't have any ...
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3answers
105 views

Is it safe to manual focus with AF ON on Canon L lenses?

On other lenses, this is a dangerous move. Can I move the focus ring, with AF ON with an L lens? I heard that Canon L lenses (and others with an ultrasonic motor) can be in AF ON mode and I can move ...
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1answer
42 views

Will the focus confirmation dot still operate with non CPU lenses on a D3200?

I've seen some lenses that have an AE chip already in them (ex. the Rokinon 35mm f/1.4), but is it necessary to have a fully manual lens chipped in order for the focus confirmation dot to work? ( and ...
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2answers
107 views

How can I focus when my camera is on a tripod and none of the focus points line up?

Today I was shooting two persons with my camera (Canon 7D) on a tripod. One person, the one I wanted to be in focus, was composed so far out of the center that I don't have any focus point close to ...
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1answer
29 views

How do I manually focus my Nikon P520?

Can I manually focus a Nikon P520, and can I set infinity as well? I've looked at the manual settings and I cannot find the answer.
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5answers
196 views

35mm prime lens — photo taken is not sharp in manual focus mode [closed]

I bought a 35mm 1.8 Nikon lens and am using this lens with D3200. I placed a ball on the floor and some 100 cm from the lens. I set the lens to Manual mode and aperture to 1.8, in Aperture Priority ...
2
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1answer
60 views

Does the type of lens adapter matter for manual focus?

Context I use a cheap adapter that has an Aperture Ring for the new Nikon G lens but also works for older lens as well. I use a Sony a6000 which has focus peaking and related. Question Assuming ...
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1answer
146 views

Best approach for accurate & fast focusing of fully manual lenses without live view. Focus chip, focusing screen or another approach?

I purchased the Samyang 24mm f1.4 for my 6D for specifically night photography. I won't go into how amazing this lens is at night... I've since discovered that this lens produces fabulous images in ...
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1answer
122 views

Is it possible to make your own focus distance scale?

I'm using a Nikkor 18-105mm kit lens and it doesn't have a distance scale on its focus ring, is it possible to create your own distance scale by knowing the 0 and the infinity focusing points on the ...
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1answer
164 views

Is manual focusing a viable option with the Canon 6D, 100-400 IS L II, and 1.4 Extender?

I am considering buying a Canon 1.4 extender to use with my 6D and 100-400 IS L II. I understand that AF will not function with this combination. I understand that lack of AF will limit me to static ...
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2answers
267 views

Manual focus working in AF Mode with an STM lens - is this intentional?

On my new Canon T6s/760d with 18-135 STM lens, I just noticed that in AF mode, when I hold the shutter button halfway, if I turn the focus ring on the lens, it does affect the focus! I preferred to ...
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2answers
117 views

What is a good focus point for street photography when using zone focusing?

For example, I am using Fuji X100T (35mm), and according to this video [1], Doug McKinlay suggested that turn to f8, and to focus at 10 feet distance, and so from 5 feet to infinity will be in focus, ...
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1answer
55 views

How do I work around a problem where my lens won't focus on distant objects?

I have a Pentax K10D with a 28mm lens that will not focus on distant objects. Will an extension tube solve this problem? I do not care about autofocus. Is one tube better than another for manual ...
2
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1answer
192 views

How does manual focus work using Leica lenses on other mirrorless cameras such as Fuji XPro1?

I used to own a Leica M4P, now I have gone digital with a Fuji X100. I love the X100 but the autofocus gives me so much trouble for street photography and its manual focus is terrible. I really ...
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2answers
207 views

What can you do when your lens' focus ring becomes too loose?

One of my lenses I always carry (Olympus Pen lens, I fit it on a Sony NEX), has a focus ring that is becoming a bit too loose. Probably due to carrying it in a bag very often and taking a lot of ...
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2answers
281 views

How can I get crisp, clear product photography with everything in focus?

I'm guessing the answer to this question might be "the lens", but being a newbie in photography maybe that's too predictable... Alright, so I am shooting some handbags, and I am trying to replicate ...
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1answer
151 views

Why is my Fuji X camera stuck in manual focus?

I have a Fujifilm X series camera with one of the nice prime lenses, and it seems to be stuck in manual focus mode. The switch on the camera is on S, and I flipped it back and forth several times, but ...
4
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1answer
256 views

How exactly Is the focus distance of a Leica M lens mechanically transmitted to the body?

Basically speaking, when a camera focuses on something, it focuses on a certain distance. That means everything that is this distance away from the camera will be in focus and sharp in the image. ...
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3answers
249 views

Focusing issues with Nikon 18-35mm f3.5-4.5D on D3200

I have a Nikon D3200 and I have used in the past year and half a 35mm f/1.8 G DX prime lens . I have rented several other lenses and I also have a 50mm 1.8G prime too (I'm sure that some of you will ...
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1answer
156 views

Canon 55-250, Rebel/XS, fails on *manual* focus?

I realize this is rather old hardware, at least as digital goes, but I'm hoping to hand it down to a friend as a starter kit. Every once in a while, my Digital Rebel XS will refuse to take a shot ...
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1answer
117 views

Technique to manually set aperture and focus for a low light scene during normally lit time of day?

I have a scenario that requires manually setting the aperture and focus on a lens attached to a machine vision camera on an outdoor scene (mirrorless camera with global shutter). I need to manually ...
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2answers
1k views

Canon 5D - Focus viewfinder indicators in Manual focus mode

On a Canon 5D MkIII, is there anyway to see the autofocus lock boxes on screen while manually focusing (showing the areas the camera detects as in focus)? This might just be an insane product of my ...
2
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1answer
77 views

5D Autofocus - disable tracking after lock?

I recently got a 5Dmk3 and it's been a really fun toy so far. I'm coming from a Canon 7D, so I'm trying to adjust to the much more complicated autofocus system. I've read the manual and looked around ...
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0answers
176 views

Fujifilm S1: Manual focus does nothing?

The best example of my problem is when using any level of optical zoom with autofocus. When I press the AF button before shooting, it will scan as it does and hit the sweet focus spot where everything ...
9
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2answers
905 views

How does ground glass work when focussing?

To use ground glass, I turn the focusing ring on my lens until the image becomes clear on the glass. But what is it about the glass that makes this work? What are the physics involved?
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1answer
156 views

How do prime lens allow variance of focal length when focusing? [duplicate]

If the definition of prime lens says that their focal length is fixed, then how come you can still alter the focal length when focusing? (either MF or AF)
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1answer
133 views

Can the Canon EF-M camera use the focus by wire lenses?

The old Canon film camera EF-M did not have auto focus ability and was manual focus only. Does it support the focus by wire lenses in the EOS line? Does it even have any electrical connectors in the ...
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2answers
136 views

Why is the battery required to manually focus through the viewfinder?

Is it normal that I can't manual focus any of my lenses on my 5D MK iii without having a battery inserted? I can focus on an object, and while looking through the view finder, remove the battery and ...
6
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2answers
1k views

Do focusing screens exist for modern DSLRs?

Recently I bought a second hand Nikon EM. I found that these analog cameras used a very neat trick to focus. After some googling I found that this is called the "focusing screen". Do focusing ...
2
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1answer
562 views

can i transform my manual focus lens into an autofocus lens?

I have a Nikon D3300 camera. And I bought a 55-300mm nikkor lens but this lens is not an autofocus lens, so when shooting I should manually focus and sometimes the photos are blurry. Is there any ...
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0answers
68 views

Manual and Autofocus not working on near field with Canon Rebel T3

I dropped my camera on a tile floor the other day and everything appeared fine. My wife tried to take some close up pictures of a gift today and found that the Auto Focus wouldn't work on close field ...
3
votes
1answer
91 views

Why is manual focus off after installing a 45° split-prism focus screen?

I recently bought a new focus screen for my D5100. I installed it without any problems. But, if I manually focus with the screen it is not correct. A picture of something 30ft away is about a foot ...
4
votes
3answers
838 views

What is the correct, standard EXIF metadata to add for Rokinon 8mm fisheye lenses?

I own a Rokinon 8mm Ultra Wide Angle f/3.5 Fisheye Lens for Canon EF Mount. This is a manual lens not electrically connect to the Canon 60D body I use it with. With exiftool I want to add the correct ...
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3answers
204 views

What exactly happens when one turns the focus ring on a DSLR while shooting video?

I'm about to buy my first DSLR and I'm trying to understand every single aspect of it. If I've got a prime lenses and I'm shooting a video with f/2.8 aperture, I'm going to have a fixed depth of ...
4
votes
3answers
164 views

Does hyperfocal distance only apply to manual focussing?

At any given aperture and focal length, I can still focus on something near or something far away by simply touching the lcd on my dslr. Does that mean that because I may not be focussing at the ...
2
votes
1answer
727 views

Canon EOS SL1 - Manual focus stopped working

I recently purchased a Canon EOS Rebel DSLR SL1. My 18-55 mm lens shoots amazingly, and I have been using it in auto and manual focus. About a week ago, my manual focus randomly stopped working. The ...
0
votes
1answer
508 views

Can you use EOS Utility to Manual Focus whilst remote shooting movies? [closed]

I have a 700D and want to use EOS Utility remote shooting to make videos. I want to avoid using Auto Focus as it is SO loud as it constantly focuses. I can't seem to find a way to manually focus ...
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0answers
31 views

Focus Effect for Canon Powershot SX520 [duplicate]

How can I achieve a focus effect for Canon Powershot SX520? Something like this: Thanks!
6
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2answers
715 views

How does autofocus confirm work with manual lenses?

When I was a kid my dad had an Olympus OM10, he had a bunch of lenses for it and I remember focusing was done with a special circle in the middle of the viewfinder, where you pointed it at the thing ...
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votes
1answer
101 views

Issue with Object focus using canon 1100d [closed]

I am newbie in photography.Recently i bought a canon 1100 D . When i am taking photo , for example taking photos of bird, not getting clear photo of bird.Mode is manual and ISO is 400..Please help me ...
3
votes
2answers
508 views

How can I use a vintage M42 manual prime on an entry Nikon DSLR?

I have got an old lens Helios 44-2 (58mm f/2 M42 mount) that I want to use for portraits on my Nikon D3100. I used an adapter (without optical element) to mount the lens. I want to really try this ...
1
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1answer
525 views

Sony a77 doesn't recognize Rokinon 85mm manual lens

So, I'm having a bit of an odd issue with my Sony a77. When I mount my Rokinon 85mm lens to my Sony a77, it acts as though I haven't attached a lens at all. What's up with that? O.o
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2answers
87 views

Find focus and effective range of single focus camera

I have a cheap camera that is supposed to take videos underwater. It is a camera in a case that is set to a single focus. I checked the specs and it is a manual set focus camera. When I asked the ...
0
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0answers
42 views

How can I shoot a photo, through a gun barrel? [duplicate]

I'm trying to get a photo, down the barrel of a gun, without photoshop, preferably to be well exposed in and out of the barrel (mostly to be better exposed on the outside of it, though a double ...
0
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2answers
1k views

Why does this lens lose focus when you zoom in but not when you zoom out?

This is regarding the Sony 18-105 E-mount constant-aperture zoom. I took at photo at 18mm, focusing manually: I then zoomed to 105mm, and took another photo, keeping the same focus: Notice that ...
2
votes
1answer
284 views

How does a focus ring bring a subject in or out of focus?

When you manually adjust your focus ring on the lens, what actually happens inside the lens? Is this changing simply the point at which the lens is focusing, so that anything at this distance away ...
0
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2answers
698 views

Focusing Screen for a Canon 60D using an 85mm f1.2 lens

I've recently bought an 85mm f1.2 lens, which is absolutely amazing, but I noticed after my day out playing with it, that lots of my photos were out of focus, even though they appeared sharp in the ...