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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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Contax tvs I: blurry pictures even though focus lock is on

iso 400 on autofocus lock and P
Diana Rivas's user avatar
4 votes
2 answers
142 views

The wrong focus in the cold

I took pictures with a "Start" film camera and, accordingly, 35mm. When photographing indoors, everything is fine, but only i take this camera outside in severe frost (below -15 ° C), the ...
Stiven's user avatar
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Is there a difference in "feel" of a dedicated Manual focus lens (MF Only) vs an AF lens set to Manual Focus mode?

I really love shooting in Manual mode, but my AF Micro-NIKKOR 60mm f/2.8D Lens, when in Manual mode, doesn't have a 'buttery' feel and it can be difficult to get it to focus precisely. I have a dirt ...
Andrew Lovato's user avatar
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1 answer
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Why am I suddenly unable to focus with with Olympus OM-2 prism?

Somehow the prism for focusing in my Olympus OM-2 changed. The prism lost all its structure and what is left is a round grid structure with a divided circle in the middle, that is changing its ...
jo87casi's user avatar
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1 answer
197 views

Canon EOS optical viewfinder blurry spots

I have a problem with blurry focussing dots in the optical viewfinder of my Canon EOS 1300D. I'm struggling to take sharp photographs when using the OVF in manual focus mode. The circular dots in the ...
Joe Heffer's user avatar
3 votes
1 answer
160 views

Calculate the ideal geometry of a Bahtinov mask for 200 mm MFT

I want to use a Bahtinov mask to focus stars with a Panasonic Leica DG Elmarit 200mm f2.8 MFT. So far I found out that the geometry of the perfect Bahtinov mask ...
Jonas Stein's user avatar
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0 answers
155 views

Is it possible to control focus distance of Sony Alpha 6* cameras using GPhoto2/libgphoto2?

I'm trying to find or create a solution for automated focus bracketing for my Sony Alpha 6000 camera. So far I have found only this PlayMemories Open Source application: https://github.com/obs1dium/...
Gill Bates's user avatar
1 vote
1 answer
1k views

Help! Sigma Lens won’t manually focus

I have a Canon EOS 60D and a Sigma DG 150-500mm zoom lens that I absolutely love using for bird pictures, I’ve had it for a few years now and have never had an issue with the manual focus. It’s just ...
Erica's user avatar
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2 votes
2 answers
435 views

Will the Depth of Field Scales Still Work with a Crop Sensor Camera?

I recently bought some vintage manual focus lenses to use with my Fujifilm X-T1. I'm most interested in using the depth of field scales on the manual focus lenses for zone focusing. However, I am ...
K Ferreira's user avatar
4 votes
3 answers
1k views

Manual focus and depth of field

So I was shooting in autofocus with a small aperture (f11) and my camera (Canon RP) gave a very deep depth of field where everything is in focus. I tinkered a bit and switched to manual focus (with ...
chickenwingtennis's user avatar
2 votes
2 answers
603 views

What’s wrong with my Canon EF 85mm 1.2 lens?

It squeaks when I try to focus and sounds like metal against metal. And it won’t focus on Manual mode. The outside is in great condition but the ring for focus is loose and wobble's. It’s like it is ...
Kylista Hawkins's user avatar
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1 answer
812 views

How to adjust blur intense on sony a6000?

How to adjust the level of the background blur on macro shooting? On Sony a6000 with e30mm macro lens, I recall last time I used it there was a button which lead to adjusting the intense of the ...
Olenia's user avatar
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3 answers
341 views

How to see/frame macro subject before the flash triggers?

I am dabbling with macro photography using the 7artisans 60mm and Fuji X-T20 and struggling to both properly light my subject and manually focus. In scenarios where you need to use flash for a shot ...
PaulBarr's user avatar
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1 vote
1 answer
307 views

What are these numbers below the distance scale of my lens?

On my Canon EF35mm F2 IS USM (my first prime lens ever which I just bought used) there are the numbers 22, 11, [line with red dot], 11, 22 written below the distance scale. From the manual of the ...
MaxD's user avatar
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2 answers
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How can I measure the exact range of focus of a given fixed focus webcam?

By moving objects around the camera I can see that they get very blurry at 10cm and less sharp at 3-4m away from the camera but how can I measure the exact range of focus? If I check the sharpness of ...
OMGsh's user avatar
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1 answer
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K10D poor focus - manual or auto - with full-frame zoom lens

I'm getting very poor focus particularly at the long end of an 80-320mm tele lens that I am using with my Pentax K10D. The lens was originally bought for my 35mm Pentax SLR (maybe an MZ5 or something, ...
Fat Monk's user avatar
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1 vote
1 answer
187 views

Sigma 70-300mm macro or nikon 55-200mm vr ii

I currently have a Nikon d3200 and am trying to decide between these two lenses. I understand the sigma can only manual focus on my camera. Im mostly looking to shoot wildlife , landscape or other far ...
Huntap's user avatar
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1 vote
1 answer
102 views

Does the QX1 support passive lenses?

I'm just starting to get into photography and got a used Sony QX1 and the 16-50 kit lens. Now I'm looking to extend my glass collection. I've read that to use lenses without any electrical connections,...
Lukas Rieger's user avatar
3 votes
3 answers
1k views

Canon 5DS Manual Focus Assist in Live View

I know that some cameras have a type of manual focus assist where it will highlight areas that are in focus when you manually focus. I am curious to know if there is a way to do that on my Canon 5DS ...
user46629's user avatar
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2 answers
163 views

How to properly focus using a Macro reverse ring?

Fourth question from me about this topic. I'm trying to digitize a large number of family slide films with a modified slide projector by taking photos of the slides (I replaced the original yellow ...
Jérôme MEVEL's user avatar
3 votes
2 answers
237 views

Not able to manual focus in night for star photography

I was shooting at f4.5 shutter speed 30s for capturing stars in my photo but was not able to manual focus as we can't set the manual focus for stars. I am using a 18-55mm Nikkor lens, what I get after ...
Ashish Mishra's user avatar
1 vote
1 answer
419 views

How to combine an autofocus teleconverter with a manual-focus lens

I have a teleconverter (Bower MC 2x C/AFI) which has pins to connect the lens electronics to the camera body. It works well with my autofocus lenses. If I try to use the converter with a manual-focus ...
tharter's user avatar
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2 votes
1 answer
220 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, ...
user28315's user avatar
  • 123
3 votes
2 answers
197 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 ...
user avatar
0 votes
3 answers
760 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 ...
Trang's user avatar
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1 vote
0 answers
204 views

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”...
lijat's user avatar
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0 votes
3 answers
186 views

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 ...
Kinka-Byo's user avatar
  • 514
5 votes
2 answers
932 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 ...
Pedro von Hertwig Batista's user avatar
2 votes
1 answer
751 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 ...
Nook's user avatar
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-1 votes
2 answers
678 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, ...
juhist's user avatar
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1 vote
3 answers
541 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?
Kinka-Byo's user avatar
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1 vote
2 answers
1k 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-...
confetti's user avatar
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1 vote
1 answer
378 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, ...
rackandboneman's user avatar
1 vote
4 answers
1k 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: ...
R3D34THR4Y's user avatar
0 votes
2 answers
370 views

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. ...
mongo's user avatar
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1 vote
2 answers
219 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 ...
ith's user avatar
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2 votes
2 answers
144 views

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 ...
RKh's user avatar
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1 vote
4 answers
3k 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 ...
MrKevKev's user avatar
1 vote
2 answers
704 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 ...
Alexis's user avatar
  • 113
1 vote
1 answer
250 views

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 ...
Animal Lover's user avatar
2 votes
1 answer
2k 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 ...
xiota's user avatar
  • 27k
1 vote
4 answers
4k 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 ...
xiota's user avatar
  • 27k
2 votes
2 answers
1k 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 ...
neversaint's user avatar
  • 1,472
0 votes
1 answer
409 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 ...
Snyder005's user avatar
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0 votes
2 answers
1k 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 ...
Kidd's user avatar
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2 votes
1 answer
88 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 ...
xiota's user avatar
  • 27k
2 votes
1 answer
525 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 ...
xiota's user avatar
  • 27k
0 votes
4 answers
2k views

What does focusing past infinity look like?

Would it nearly instantly become unfocused, or would it be more or less gradual?
tester's user avatar
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6 votes
5 answers
2k 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 ...
G_H's user avatar
  • 911
0 votes
1 answer
339 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 ...
Delta Oscar Uniform's user avatar

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