Questions tagged [manual-focus]

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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Focus ring does not turn in manual mode

I own the Nikkor "af-s 55-200mm f/4-5.6g ed dx" and recently in manual focus mode the ring is not turning and of course, I can not adjust the focus. So, what may be is blocking the ring? I ...
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How can I get everything in focus? (Why can't my camera just use all of its focus points at the same time?)

I have a Canon 550D with 70-200 f4 and 50mm prime lenses. Although the camera has built-in 9 focal points, I sometimes face a strange problem. Here's a sample photo: In reference to the above pic, ...
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113 views

Shutter activates when manual focus is achieved. How?

I have a canon 5D mk ii which I've been using for donkeys year. I was messing about with a new lens in the office today and somehow stumbled on a feature I've never noticed before. Using manual focus, ...
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684 views

Why doesn't manual focus work with my Nikon D7200 and AF-S 300mm f/4 ED?

I have finally gotten myself a D7200 (2.017 & 1.04 firmware) and a 300mm f4/D AF-S (non VR version). My lens's serial number is 33xxxx. AF works, but manual focus does not work. I have tried ...
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How to use focus points in manual focus mode on Canon EOS 6D?

I just got my first DSLR, a Canon EOS 6D with 50mm f1.8 lens. I'm tring to learn by watching YouTube, but have some questions. When I use the lens on MF and the body on MF, I can't focus using the ...
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171 views

How to proper focus for sharper images?

For shooting landscape photos, what is better using manual focus or automatic focus? I seen a lot of people who focus with automatic focus then switch to manual focus, is this so the focus doesn't ...
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78 views

Is it physically possible to mount a manual EF-M lens onto a Canon DSLR without an adapter?

I'm wondering if you can mount an EF-M lens directly on a Canon DSLR body. I'm aware that electronic communication won't work, but I can use manual focus with electronic shutter. If anyone is ...
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1answer
418 views

How to nail focus with Digital Split Image on FujiFilm X-Series cameras?

FujiFilm X-Series cameras offer Digital Split Image focus assist mode. The manual provides inadequate usage instruction, stating: Digital Split Image: Displays a split image in the center of the ...
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1k views

Sony A7iii how to permanently display focus distance in MF mode

I'm doing mostly landscape photography and the manual focus is a thing for me. Since the native Sony lenses all have focus by wire, the MF experience is poor. I never know if my focus is still at ...
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Which settings are needed to display manual focus aids on the gx9 when using manual lenses?

I have recently got a panasonic gx9 camera to complement my canon system. I have been struggling to get manual focus aids to work, I have at one point managed to get it to display some kind of ”zebra”...
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Does the autofocus system look through the lenses?

I have a doubt about the effect of putting a filter (polarizer, UV etc) on the autofocus system. In theory, a lens which is put in front of the lens will affect the focus (we must set a different ...
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897 views

If I swap cameras, will my lens keep appropriate focus?

I'll be going to a place where the night sky is quite nice to photograph. I plan on taking a star trail long exposure shot with a Canon 3000N, an analog camera. I'm pretty sure it won't be able to ...
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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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177 views

Is it possible to use a follow focus to add AF to MF lenses?

I recently switched from a EOS 7D to a Sony a6400 and since I have to buy new lenses I saw the huge difference in price between compatible AF and manual focus lenses. I also stumbled upon this: ...
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387 views

How to figure out the order of lens elements in the rear group?

I bought a second-hand Canon 100D after I got into photography this summer, and got to use a vintage lens that was still attached to my dad's Pentax ME Super (Asahi Pentax-M 50mm 1.4 SMC, a great step ...
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362 views

Are electronically parfocal RF lenses parfocal enough for fireworks photography with zoom?

Within a month or so, it's the first time I'll see fireworks as an owner of a good camera and naturally I'm planning to take photographs of them. By researching various fireworks photography sources, ...
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457 views

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

The old Canon film camera EF-M, not to be confused with mirrorless cameras featuring an "EF-M" lens mount, did not have auto focus ability and was manual focus only. Does it support the focus by wire ...
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How did photography work before auto-focus was invented?

Having just spent some time reading questions about auto-focus, I came up with a question of my own: How did cameras even work before auto-focus technology was invented? Presumably everybody used ...
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174 views

Focus in Analog and Digital Cameras [duplicate]

Why a subject not in focus in the viewfinder of an analog camera is seen as two misaligned half circles, while in that of a digital camera is evenly blurred?
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1answer
94 views

Are front lens focusing and unit focusing equivalent in triplet/tessar style lenses?

Some vintage tessar or triplet type lenses (eg such intended for viewfinder cameras) implement focusing by merely moving the front element or front cell. When adapting such lenses to other cameras, ...
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2answers
133 views

How to focus old manual viewfinder cameras?

I recently got two really old cameras, and I'm lost. The cameras are an Agfa Silette, and a Welta Weltax. I expected the cameras to have a focusing mechanism similar to rangefinger cameras, or split-...
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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 the ...
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How do I find infinity focus with a kit lens when there's not enough light for optical verification? [duplicate]

I have a D7200 which I want to use at long distances in low light photography. The kit lens, a 18-140 does not have focus markers on it. Furthermore, the focus ring does not stop hard at any point. ...
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1answer
883 views

Using a manual lens on D5100

I am an amateur photographer and I am currently using a Nikon D5100 with the Nikkor 35mm f/1.8G lens. I have been thinking of getting an old manual focus lens like a 50mm or an 85mm, because they ...
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How to handle frequent, uncontrolled lighting changes?

I was taking photos of birds in a sanctuary. There I experienced few challenges. I want to know how to handle these. There were frequent daylight variations as it was partly cloudy. It was a bright ...
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167 views

With an old manual lens and modern digital camera, sharp image on the matte focusing screen, blurred one on the sensor

I tried to use an old Practicar lens 50mm/1.8 with Canon 450D, using an appriopriate adapter ring Practica B/Canon EF. Of course, this lens is completely manual in this configuration. Via the ...
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4answers
812 views

How do fixed lenses “focus” on things at different distances? [duplicate]

I'm trying to understand depth of field and I'm struggling. If I'm playing with a 50mm fixed lens, and I alter its focus using the little ring around the lens, what is actually changing in terms of ...
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26k views

How will old M42 lenses work on a Nikon camera?

I wanted to get some cheap old lenses to use on my Nikon DX DSLR (D3100). However, Nikon has one of the greatest flange distances of all manufacturers, which means that most lenses I can buy (M42 ...
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8answers
23k views

How can I get sharp manual focus despite poor eyesight?

I suffer from astigmatism. It's only mild, though I feel it's affecting what I'm seeing when looking through the viewfinder. Frequently, after shooting a photo with my Canon EOS 7D, I'll load it into ...
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156 views

Is minimum focus distance (MFD) really minimum?

On my prime lense the barrel shows the "minimum" focus distance (MFD). According to the definition you find on internet you cannot focus an object closer to this distance (measure from the sensor ...
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1answer
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Auto-focus in Nikon D3100 doesn't work and i can't take pictures

When on autofocus my camera will not focus. The lens will do the twisting movement, go in and out of focus and then stay out of focus. Then it won't even take a photo. In addition, when on manual ...
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3answers
2k views

How to nail focus with Peak Highlight on FujiFilm X-Series cameras?

FujiFilm X-Series cameras offer Focus Peak Highlight assist mode. However, the manual provides inadequate usage instruction, stating: Focus Peak Highlight: Highlights high-contrast outlines. Rotate ...
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2answers
382 views

How to correctly use magnification for focus assist on FujiFilm X-E1?

I have a FujiFilm X-E1 mirrorless digital camera that has a magnification feature designed to assist with manual focusing. The documentation tells me the following: Manual Focusing Methods In ...
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2answers
547 views

How to perform non-center focusing using common film SLR camera?

I have a Nikon FM2 camera with Nikkor 50/1.4D lens. Is there a way to focus on the area that is not center? This can be easily done with digital camera as Nikon D750, where we can just use focus ...
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1answer
124 views

How do adjustments to flange focal distance affect front focal distance?

I am using a Nikon Micro-Nikkor F-mount lens with 105mm fixed focal length in a custom optical set-up (F-mount adapter to custom optics). This means that my flange focal distance is only an ...
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1answer
12k 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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2answers
416 views

Is it normal for EF 24-105/4L IS to autofocus when switched to manual focus?

I'm using a Canon 6D mark II. I recently got a Canon EF 24-105mm f/4L. I wanted to try using manual focus, so I switched the lens to manual focus, but it keeps auto focusing when I half press shutter ...
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1answer
175 views

What focal-length setting to use for in-body image stabilization with manual zoom lenses?

The FujiFilm X-H1 has in-body image stabilization that requires the focal length to be set on the camera when using manual-focus lenses with adapters. This is a bit cumbersome with zoom lenses, and I ...
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1answer
74 views

How to set manual focus lens when asking others to take pictures for me?

I've been using manual focus lenses. In a few cases, I wanted to be in a picture, but it takes too long to explain how to focus. Even people who have used manual-focus lenses in the past, who should ...
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4answers
290 views

What does focusing past infinity look like?

Would it nearly instantly become unfocused, or would it be more or less gradual?
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3answers
3k views

Why am I allowed to turn my focusing ring beyond infinity?

Is there a good reason why I can turn the focusing ring on my lenses beyond infinity mark on focusing scale? Following recent questions about focusing in the dark (here and here), it sounds like a ...
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5answers
1k views

Can you determine if focus is sharp without diopter adjustment if your sight is imperfect?

I've already encountered this question about wearing glasses as a photographer. A more specific question I have is as follows. If your eyesight is not perfect, or your glasses and/or contact lenses ...
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1answer
2k views

How is the focus distance of a Leica M rangefinder 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
3k views

How to enable focus indication when focusing manually on a Canon 5D MkII?

I've read that it is possible to have a lamp lit up when your picture is in focus when you are focussing manually. How do I enable this feature on a Canon 5D MkII?
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109 views

Why does some lenses have red focus points on their focus rings? [duplicate]

A typical lens have white focus indicators on their lenses [5m 50m and infinity] but some have red points for 85m and farther and some lenses have a red curve instead of numbers. What are these red ...
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3answers
279 views

Can I get a manual focus lens for my Canon PowerShot camera?

I have recently bought myself a camera, a Canon PowerShot SX530, and I noticed that the focus on this camera is difficult to adjust and clarify. I am looking to buy a low priced manual focus lens, I ...
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1answer
9k 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 ...
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2answers
230 views

Is there an adapter to allow a camera to control focus or aperture of a manual focus & aperture lens?

I recently bought the Sony Alpha a7. In a bid to get an affordable portrait lens, I rushed to get the Rokinon 85mm f/1.4 only to realize that there is no communication between the camera and lens. Now ...
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1answer
97 views

Will a split prism indicator still work if installed well off center?

There are known hacks about retrofitting trimmed-to-size surplus full-frame split prism screens to modern DSLRs. However, problems with spot metering are also commonly reported with such setups. The ...
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3answers
2k views

My Nikon D50 refuses to take pictures after I disabled auto focus

I just got a second hand Nikon D50. This is first reflex camera I ever had. I am trying to take macro of an electrical component in relatively dark room. These are the settings on my top display: I ...

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