Question about Nikon Cameras

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Pre ai lens needing lubrication to focus

Dry focus lubrication

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What focal length are you talking about? 50mm, 35mm, !

Posted on Mar 25, 2016

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Posted on Jan 02, 2017

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I want to buy a Panasonic AG-AF101 but need it end December. Do you know if it will be available from that time? What lens do you recommend to get the shallow DOF (lens price max US dollars 800. Thanks...


The camera is supposed to be released in December, but realistically it may be delayed as is commonly the case with new products. If you HAVE to have it by the end of December then I would strongly suggest having a backup plan with another camera in case the release is delayed.

As for your lens question: if you are limited to $800 on the lens, then why are you even considering the AF101? Lenses are more important than the camera itself (within reason).
You might consider getting a GH2 and a complete lens set instead of the AF101.
However, you should be able to get a couple good lenses for that price range.

You didn't specify what type of shooting you need to do so it is hard to advise you on the lens, but I will assume you have standard shooting requirements.
Firstly, I would recommend an m4/3 to Nikon adapter and get all Nikon lenses. This will give you the most selection and the best price and excellent glass quality.
The first lens I would get would be a Nikon Nikkor 50mm f/1.2 AI-S, which can be had for under $500. That will give you a 100mm (in 35mm terms) field of view. It is an excellent lens and f/1.2 will give you very shallow depth of field. I would then spend the remaining money on the Panasonic 20mm f/1.7 lens which will give you a good normal view (equivalent to a 40mm lens in 35mm terms).

Alternately, you can obtain a good used 50mm f/1.4 Nikkor for under $200. It is also an excellent lens and still gives a very shallow DOF. You could then spend the other $300 on another lens, like a wider lens or a 105mm f/2.5 Nikkor for longer shots.
I use my f/1.4 Nikkor 50mm on my m4/3 GH1 90% of the time, but your shooting style will determine what you need. You DO NOT want a zoom lens though, as that will not give you near the quality. Be sure also to only consider manual focus only lenses (other than the Panasonic 20mm). The focus on those is MUCH MUCH better for video work. The manual focus Nikkors include the non-AI, AI, and AI-S lens lines.

Nov 30, 2010 | Panasonic Video Cameras

1 Answer

Did the sigma 75-300 dl will work with nikon d300?...i mean the auto focus and matrix focus


Yes. The D300 has a focus motor built into the body and thus does not need one in the lens. The lens will also meter properly with the D300.

Aug 10, 2010 | Sigma 75-300mm f/4-5.6 DL Lens for Nikon...

1 Answer

Shoot at speed


The sports mode on a DSLR just picks high ISO and fast shutter speeds for you. Go Karts are very fast subject to focus on, so there are two techniques you can try.

One is to set your focus to manual mode and pre focus a point where the car will pass through. Set the camera to multi shot mode and just before the kart gets to the pre-determined point, hit the shutter button. The camera will fire off a few shots, then review later on a computer to chooset the best one out of the sequence.

Another way is set your focus mode for AI-Servo or Focus Tracking mode, this will enable the lens to track moving subjects (as single shot mode is way to slow to keep up with karts). Go to the slowest part of the track to get more sucess.

One problem you maybe having is that the shutter speed is too slow for karts. Being indoors the lighting will be very poor, so a super high ISO rating will need to be used to get faster shutter speeds. Having a lens with a very wide aperture (like f2 of f2.8 or even less) will enable you to get faster shutter speeds because they let in more light.

Good luck.

Jan 17, 2010 | Pentax K110D Digital Camera

1 Answer

How do i remove the front group from a 24mm/2.8 AI nikkor lens? i have removed the name ring, but there are no spanner/wrench grips around the front group. thank you!


The filter cup, which you removed the name ring from, needs to be removed as well. It has a small set screw near the focus ring that retains it. Remove the set screw and the filter cup can be removed.

Nov 25, 2009 | Nikon 24mm f/2 Nikkor AIS Lens

1 Answer

Autofocus on 300mm 2.8 IS not working with 50D


Make sure the AF/MF mode button on the lens is set to AF.
What focusing mode do you have selected in the camera? Single Shot, AI focus or AI Servo? 
If Custom Function "C.Fn IV -1 Shutter button/AF-ON button" is set to option 2 or 3, the AF will start when you press the AF-ON button.
I hope this help you!
/Chris

Dec 28, 2008 | Canon Telephoto EF 300mm f/2.8L IS Image...

1 Answer

Problem with lens


if you cant afford it read this,
The reason for this is that I find it easiest to track a moving subject if it's in the middle of the viewfinder. Cameras cannot know what you want to focus on, and if you start using multiple AF points, how is the camera supposed to know that you want to focus on the bird and not the tree - cameras are lacking in human thought processes! What is quite handy though is using the AI SERVO FOCUS or AI FOCUS settings so that the lens will alter it's focus on the subject over which the centre AF point is aligned as it moves towards you or further away from you. Without this, the focus will fix at the point you half depress shutter and if the subject comes closer or goes further away then it will be out of focus. you can call any expert of lences also for it if you can afford.

May 22, 2008 | Tamron 70-300mm f/4-5.6 Di Zoom Lens for...

1 Answer

Aperture cannot open fully


As you have found out, it is not a lubrication issue. It would seem that your lens has a problem with the linkage arm inside the mount. The arm that extends out of the mount could be bent or misaligned. It would be fixable, but the parts are somewhat delicate. Best to let a good repair person have a look.

Dec 29, 2007 | Nikon 105mm f/2.5 Nikkor Ai-S Lens

2 Answers

FEE display contant


defective focus lens circuitry, you need pro fix.

Sep 14, 2007 | Nikon D70 Digital Camera with 18-50mm Lens

1 Answer

Auto focus mode


One Shot AF will focus on something and stop the AF process. One Shot AF will not fire the shutter until the lens is in focus with something. This AF mode is available in some PIC modes, like Macro mode, I think. AI Servo AF will not lock the focus, and if the subject or the camera moves, the camera will continue to seek a sharp focus. Servo AF will allow the shutter to fire whether in focus on not. This is mode only available in the Sports PIC mode. AI Focus starts out in One Shot AF, but if it detects subject movement it switches to AI Servo. It does not switch back to One Shot unless you release the shutter button and start over. This mode is available in P, Tv, Av, M and probably some PIC modes. The DRebel defaults to the AI Focus in most modes but switches very easily into Servo. Much easier than any other EOS camera I've used. In fact, too easily for most people. For example if the camera locks focus and you them move the focus manually (only on lenses with FTM), or sometimes if you zoom, or even pan the camera; all of these can force the camera to switch to Servo when you don't really want it to. The Wasia (Russian) firmware hack can force the camera to stay in One Shot, but it can't force the camera to start out in Servo.

Sep 14, 2005 | Canon Digital Rebel / EOS-300D Digital...

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