Question about Vivitar 100-400mm f/4.5-6.7 Series 1 Lens for Pentax AF

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Vivita i have a vivitar AF 100-400 lense the problem is its AF is not working

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Hi where can i get instructions on how to use my nikkon 50mm prime lens?

That depends on the lens in question.

50mm f/1.8 AF-D:

50mm f/1.4 AF-D:

50mm f/1.4 AF-G:

May 24, 2011 | Nikon 50mm f/1.8 AF Nikkor Lens

1 Answer

Using auto focus 35-55 mm lens on d40x will not take picture but if I use manual focus, I can take picture.

It is because the lense is only an AF lense. The d40x doesn't have an on-body auto focus motor so that needs to be on the lense. I have a d60 and have the same problems. You can use the manual focus on the AF lenses; however, to use auto focus, you need to buy an AF-S lense. It's disappointing I know, but that's the price we must pay for saving on our body lol

Jul 20, 2010 | Quantaray 135-400mm f/4.5-5.6 for Nikon AF

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Quantaray lenses

I bet they are not AF lenses. There are adapters that add the AF contacts to "fool" the camera but increase the zoom. You can get used lenses from many "on line" camera stores with warranties for a few months.

Jul 08, 2009 | Camera Lenses

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Nikon DX AF- S Nikkor 18-55 mm lens won't Auto focus

Is the switch on the side of the lens set to manual or auto? Sometimes it's the little things like this that we don't notice.

Apr 16, 2009 | Nikon Normal AF Nikkor 50mm f/1.8D...

2 Answers

Minolta SLR Lens on Sony - Does it work.

As I understand it, Sony bought Minolta, lock, stock, and barrel. Theoretically the lenses should fit and may work on manual, but I'm very sure they will not totally work on sony digital cameras. I wouldn't even try to fit them as the autofocus system on the camera may be damaged.

Mar 22, 2009 | Tokina AF 100-300mm f/4.0 II APO Telephoto...

1 Answer

Quantaray lense

Yes, the Quantaray Autofocus lens will focus automatically on the D80.

Sep 27, 2008 | Quantaray 135-400mm f/4.5-5.6 for Nikon AF

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Used on a Minolta Maxxum 800 si

The Minolta AF lens will fit and work on most of the Minolta AF bodies (it will depend on exactly what lens it is as to the compatibility), you will also find that it will fit and work with the new range of Sony
digital SLR camera bodies.

The Quantaray lenses are a little bit more difficult as Quantaray make lenses for several different types of camera body, it should mention on the lens what make the lens mount is for. If you post further information about the lenses it might help.

Sep 19, 2008 | Quantaray 100-300mm F4.5-6.7 Zoom lens for...

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Sigma 70-300mm DL Macro Super Lens compatibility for Nikon D40X DSLR Camera

Here is Nikon's specs of lens compatibility for the D40X:

Compatible Lenses*: Nikon F mount with AF coupling and AF contacts Type G or D AF Nikkor:
1) AF-S, AF-I: All functions supported;
2) Other Type G or D AF Nikkor: All functions supported except autofocus
3) PC Micro-Nikkor 85mm f/2.8D: Can only be used in mode M; all other functions supported except autofocus
4) Other AF Nikkor*â¹/AI-P Nikkor: All functions supported except autofocus and 3D Color Matrix Metering II
5) Non-CPU: Can be used in mode M, but exposure meter does not function; electronic range finder can be used if maximum aperture is f/5.6 or faster
6) IX Nikkor lenses cannot be used
*â¹ Excluding lenses for F3AF

They do not recommend 3rd party lenses, ever

Feb 01, 2008 | Camera Lenses

1 Answer


Make sure you have the switch on the side of the lens that has the options "MF" and "AF" (or something like that) switched to "AF"

Nov 27, 2007 | Sigma AF 70-300mm f/4.0-5.6 DL Macro Super...

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