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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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1answer
48 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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1answer
33 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 ...
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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 ...
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2answers
114 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 ...
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1answer
97 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 ...
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2answers
110 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 ...
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0answers
69 views

What would cause an AF confirmation light to go on and off as I approach correct focus?

I'm using two cameras: Canon EOS 400D (Digital Rebel XTi) and Canon EOS 450D (EOS Rebel XSi). 450D was more heavily used than 400D. Not so long ago I noticed that 450D's autofocus system works not ...
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2answers
119 views

How can I focus on the moon [duplicate]

I'm technically a beginner when it comes to anything other than point and shoot photography so I apologise if I don't explain myself clearly. I have a Pentax Q with an 85-200mm K lens, I'm using a Q ...
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1answer
417 views

Why do I keep getting out of focus shots on manual focus?

I have a Nikon D3300. I recently switched over into complete manual mode (on the camera) with manual focus (on the lens). I find that the camera does not focus at all. All I get is out-of-focus shots. ...
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3answers
148 views

Why is there a difference between the shutter lag times for prefocus and for manual focus?

In my lab I have two cameras, the Canon T2i and the Canon T3i, which are without their standard lenses. Instead they are mounted on a microscope. To capture the images of my samples, I set the camera ...
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1answer
238 views

How do I set the manual focus magnification on the Sony NEX-5R?

The NEX-5R has a manual assist function: if you enable it, and put the camera in manual focus mode, then when you rotate the focus ring, the camera shows a magnified view so that you can focus better. ...
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1answer
60 views

Why is the external lens for my smartphone blurry when not at full zoom?

I've just bought an optical zoom lens for my Samsung S4 (I'm a web developer and blogger so I thought that it would be a handy tool for taking photo's when out and about without my main camera). The ...
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1answer
117 views

How do I focus at a specific distance (in meters)?

When I use the manual focus mode, I usually adjust it until the object I care about comes into focus. But sometimes the object is not there yet, so I'd like to know if there is a way for me to tell ...
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1answer
102 views

Does manual focus carry over to a different aperture, lens or focal length?

This is in the manual focus mode. If I focus my lens so that a certain object is clear and crisp, and then do one of the following, will I have to focus again? Change the aperture Switch to a ...
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1answer
79 views

Why does the focus light come on in manual focus mode?

When I'm in the manual focus mode, I find that the focus light (the red blinking light) sometimes still comes on before it takes a photo. Why is this? I thought the purpose of the light is to ...
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3answers
227 views

How can I get accurate manual focus with an Olympus E-PL3 without having to zoom 5× every time?

I've just a Voigtlaender 35 mm / F 1.4 for my Olympus E-PL3 (using M-mount converter for Micro 4/3) Since this lens only support manual focus, so I need to zoom 5x every time to check if my focus is ...
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1answer
68 views

How can I confirm focus with a Nikkor 70-300 lens on a D3000?

Good day! I would like to have some suggestion from experienced photographers about following matter: I have a Nikon D3000 Camera. I bought a Nikkor Lens 70-300mm having not motor inside and unable ...
2
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1answer
125 views

Tamron 90mm SP Macro manual focus locks

I've been shooting film on a Canon AE-1 Program with a Tamron 90mm Macro SP lens. Until recently, the lens worked perfectly, but all of a sudden it won't focus farther than 10ft. To my knowledge it ...
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1answer
395 views

Nikon focus confirmation with manual lenses

I've recently purchased a Nikon D600 and would like to use my old Minolta Rokkor 50mm f/1.4 on it. However I am quite confused as to the functions of a "chipped adapter". While I know that with Canon ...
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3answers
219 views

Do focus area modes matter if shooting in manual focus?

It seems my camera lets me change the focus area modes (e.g wide, center or spot) even when I am shooting in manual focus so I am trying to understand if area modes matter even if the camera is in ...
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2answers
113 views

Pentaprism viewfinder and used “pro” gear - really better for manual lenses?

I currently use an Olympus E-520 with an adapted Tamron 35-135 (manual lens from the '80s), and manual focusing is very difficult and hard to get right. Looking in the viewfinder, spinning the focus ...
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2answers
473 views

Why does my Samsung NX1000 zoom way in when manually focusing?

I bought a Samsung NX1000 this week, and I have the 20-50mm lens. However when I put it on manual focus, the picture keeps jumping from standard zoom to "mega zoom" — it zooms a lot further in then ...
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2answers
169 views

Is it possible to DIY adjust the focus ring distance scale of a lens?

I have a particular lens in mind, but is it generally possible to do this adjustment? Of course there are a lot of lenses that don't have any distance scale to begin with. Many lenses have the scale ...
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1answer
198 views

Can I manual adjust focus after half shutter press?

I'm new to the world of DSLR shooting. I just got a Canon t5i with a 18-135 IS STM lens. I've gone into manual mode and played around with the lens on manual focus, and the AF to single shot. I ...
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1answer
156 views

Can I filter by autofocus in Lightroom?

Does Lightroom let me filter photos by whether they were manually focused? Or is this information not even stored in the ARW metadata? (I'm assuming they were not lost during DNG conversion in ...
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4answers
325 views

How much does a drop in temperature affect focus?

In an answer to question "What lens characteristics are important in astrophotography?" there was mentioned "If the temperature changes drastically, you may need to refocus as different materials in ...
2
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1answer
151 views

A recently acquired lens will focus automatically, but won't manually, why?

I have recently acquired a Sigma 70-200mm f/2.8 (Canon mount, relatively old), and it focuses perfectly in auto mode, but in manual mode the focus ring simply won't budge at all. What could be causing ...
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3answers
296 views

Modern, purely manual focus lenses for Nikon F-mount?

I've used AF-D lenses (with screw drive) on my D40 as a manual focus lens that meters, has focus indication etc. However, I want to know if there are modern lenses that are meant for manual focus ...
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1answer
447 views

Which cheap digital body for M42 lenses

I'm looking for a cheap, second hand digital camera body for my M42 lenses. And I'm stuck; there is actually quite some choice. Currently, I have a Canon EOS 300D; there are two reasons I want to ...
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4answers
562 views

How to fix a Nikon 100mm f/2.8 Series E lens not being properly recognized on a D300?

I have a Nikon 100mm f/2.8 Series E mounted on my D300. When I set the aperture on 2.8 on the lens, it is seen as 1.8 on the D300. At its maximum, when set at f/22 on the lens, it is seen at f/16 on ...
3
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1answer
2k views

What happens to a lens when you turn the focus ring during AF mode?

What happens to a lens when you turn the focus ring during AF mode? I have read that this causes damage, or can cause damage. But what is actually happening? I've done this recently with my Canon EF ...
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1answer
177 views

Aperture value appears as '- -' in Olympus E410

I have just started using manual focus and prime lenses with my Olympus E410 (four-thirds). Intermittently, the aperture value is invisible, both through the viewfinder and in the LCD display. ...
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0answers
37 views

Optimal settings to capture firework at night using Nikon D3200 with 18mm - 105mm Zoom Lens? [duplicate]

I tried take photos of firework using my Nikon D3200 with 18mm - 105mm Zoom Lens in Aperture Mode. But I cannot get a good focus since if happens in sky at different heights. This made most of my shot ...
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3answers
163 views

Will it be a significant drawback to use a Nikkor af 70-300mm f/4-5.6G on an Nikon body without an AF motor?

I am a beginner at the moment and I am planning to buy Nikon D5100 + Nikon Nikkor AF 70-300mm f/4-5.6G, also with the kit lens (18-55mm VR lens). My question is both the camera and this particular ...
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1answer
366 views

Misfunction of Canon EF 50mm f/1.8 on manual focus?

I have a Canon T3i (600d) and two lenses: EF-S 18-135mm and EF 50mm f/1.8. While working with manual focus, I can shoot out of focus (on purpose) with the 18-135 (as expected). But with the EF 50mm, ...
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2answers
3k views

Do I use the camera or lens switch to change between auto and manual focus?

I own Nikon D7000 with 18-105mm lens. I am bit confused how the auto focus and manual focus switching works, particularly with my gear. The confusing part is both the camera and lens have an A-M ...
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1answer
314 views

What to do when manual focus doesn't work on a Nikon DX lens after DIY repair?

I have a Nikon 55-200mm DX auto focus lens. I recently repaired the bayonet mount myself - all went well. But when I went to use the manual focus option on the lens, the focus ring remained locked, as ...
3
votes
2answers
902 views

When is a 180° split focusing screen better than a 45° one?

My camera eventually ended up with severe scratches on the original plain matte focusing screen. eBay currently offers: an exact replacement for $20.45 one with a 180° split image rangefinder for ...
3
votes
3answers
166 views

Is there any difference between using a full manual lens for Nikon F-mount or using lens for another mount (say m42) with an F-mount adapter?

I'm looking for a very cheap (~$50), fast (large aperture), full manual (non-CPU) lens for my Nikon D7000. After searching on eBay, I found that the same lenses (e.g. Vivitar 135mm f/2.8) are cheaper ...
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7answers
2k views

Is using live view for accurate manual focusing really better?

Commonly I hear of landscape photographer who rely on live view to focus now. The process I use is: Tripod mount the camera Switch lens to manual focus Enter Live View Live View zoom to maximum ...
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2answers
2k views

Is it safe to manually-focus the Nikon 18-105 while in autofocus mode?

There are only A and M settings, no A/M. but I just noticed that Nikon website has mentioned three focus modes for this lens: Auto, Manual and Manual/Auto I'm confused if this is only a typo or is it ...
2
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2answers
236 views

Automatic vs Manual Focus [duplicate]

Possible Duplicate: When is manual focus better than autofocus? Perhaps this question has been asked before. I understand that in some cases, automatic focus cannot be used, for example, ...
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2answers
195 views

How to set AF in night [duplicate]

Possible Duplicate: How does one focus for landscape photos in very dark conditions? Recently I went on a night forest safari trip with my Canon 1100D. I had put the camera in manual mode ...
6
votes
1answer
442 views

Is there a way to turn off the focus point display on a D7000 when a manual lens is mounted?

I recently got a Katzeye focusing screen for my D7000. Since my favorite lenses are all manual focus, I'm really enjoying this. Unfortunately, my D7000 helpfully puts a focus point on the focusing ...
3
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3answers
917 views

Can I use a Fuji HS30 as a training camera before buying a real dslr camera?

I am thinking about buying a Fuji HS30 to my wife, so she can start shooting on full manual, before investing in a dslr and some lenses. Do focus ring and zoom ring in Fuji HS30 behave like a dslr ...
6
votes
2answers
894 views

What is the relation between shutter speed and exposure compensation in aperture priority?

I was using a manual focus lens with canon 600D and notice something in aperture priority mode. When I was applying the exposure compensation of -2EV, I had a shutter speed of 1/20 sec and when the ...
1
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1answer
735 views

Why does my DSLR's viewfinder ignore the aperture ring on a legacy lens?

I have a Nikon D3100, and I am borrowing an old Nikkor 50mm SLR lens (http://www.destoutz.ch/lens_50mm_f1.8_1828564.html). I've had a lot of trouble with that lens, in that pictures that appear ...
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0answers
86 views

Tips to manually focus sharply with viewfinder? [duplicate]

Possible Duplicate: How does one get manual focus right with a fast-aperture lens? I feel difficult to manually focus via the view finder because of its small size.Its seems to be in good ...
8
votes
4answers
5k views

What is the best auto-focus mode to use for bird photography?

Consider the image below: How would the shot be focused here? Using Auto-focus or manual? If there was a cluttered background, will auto focus detect the small bird and sharply focus on it?If manual ...
8
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3answers
1k views

Easier ways to pre focus a distance on a lens without manual focusing meter?

In applying zone focus(focusing at particular distance in advance, before the subject comes in) to shoot a bike that will come into frame, how do I correctly focus at a particular distance with a lens ...