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Vivitar28-210mm f3.5 f5.6 Macro 1:4-x I need advice on the use

Discussion in 'Adapted Lenses' started by freddytto, Feb 24, 2012.

  1. freddytto

    freddytto TalkEmount All-Pro

    Dec 2, 2011
    Puebla, Mexico
    hello guy's.

    Hello mates, I hope you can help me, yesterday my brother gave me a gift, one lens, Vivitar 28-210mm , f3.5-f5.6 Macro 1:4 x, acquired at auction and as he knows, I have the adapter M / MD, for this type of lens gave me the Valentine's gift.I have been researching on google about this lens and No are bad, besides being cheap, but I would like some tips on using these manual zoom, thanks.

  2. serhan

    serhan TalkEmount All-Pro

    Aug 27, 2011
    You can use peaking or magnified view. Peaking is faster but magnified view is more accurate. With the touch screen I usually select the focus point to magnify that area and manually focus. I don't know if you have a viewfinder as it get harder hand hold and get a sharp photo with long and slow lenses without image stabilization on the lens or camera. Therefore a tripod helps also as well as higher isos to keep the shutter speeds high.
  3. freddytto

    freddytto TalkEmount All-Pro

    Dec 2, 2011
    Puebla, Mexico
    thanks mate, that sounds very interesting I like the manual focus but a good Puento what you comment, you must use a high ISO to get a higher speed Shutter ....

  4. Dioptrick

    Dioptrick TalkEmount All-Pro

    Feb 4, 2012
    New Zealand
    Minimum Shutter Speed Guide for MF Lenses (without Image Stabilisation)

    The NEX camera knows what native SEL lens is installed and the software knows where to set the minimum shutter speed depending on the selected shooting mode and the focal length of the lens. But when a manual focus lens is installed via an adapter, the camera does not know the focal length information and I think it will often set the shutter speed at a default of 1/60 sec minimum for hand held SCENE shooting modes - no matter what lens is installed. This speed will obviously automatically increase (and the ISO will automatically decrease) in very bright environments.

    Sometimes it is better to go manual exposure and set the shutter speed yourself, but setting your camera to the fastest shutter speed and highest ISO is not always possible, necessary, or desirable. I was taught a simple guide from the old film SLR days... to use the focal length of the lens as the "minimum" hand-held shutter speed. Knowing the minimum hand held shutter speed for each specific focal length is very useful for practical and creative reasons.

    Guide for old SLR:

    • If I'm using 28mm focal length, minimum shutter speed is 1/28 sec (but no such thing, so closest is 1/30 sec shutter speed). With a steady hand, I will get sharp images with a 28mm lens as long as I don't go slower than 1/30 sec.

    • If I'm using 210mm focal length, my minimum handhold speed is 1/210 sec (but no such thing so closest is 1/250 sec shutter speed)... any slower, I risk camera shake and can ruin the sharpness of my image even if it is in focus.

    Going below the 'minimum shutter speed' is tripod territory. Of course a shutter speed higher than the minimum is better for hand held photography but this is not always possible because you may want a small aperture to increase your DOF - or maybe the scene is too dark for higher speeds.

    Also sometimes you might want to do a 'panning' shot. A panning shot is when you follow a fast moving subject to freeze its action but at the same time you want to blur the surrounding background to depict motion in your composition. If your shutter is too fast, the background will not be blurred. If your shutter is too slow, your subject will be blurred as well.

    So it is always good to know what your minimum hand held speed is... and this old SLR guide is easy to remember.

    Guide for Sony NEX

    Because the focal length of a legacy lens is changed when installed on a NEX camera via an adapter, this guide is no longer applicable - although the principle remains the same. We know that the true focal length of an adapted legacy lens is multiplied by a factor of x1.5 so we have to make a slight adjustment to this guide.

    • 28mm in your Vivitar zoom is now a 42mm on your NEX, so your minimum shutter speed is 1/42 sec (use 1/40 sec).

    • 210mm in your Vivitar zoom is now a 315mm on your NEX, you your minimum shutter speed is 1/315 sec (use 1/320 sec)

    You will notice that if you compare these speeds to the old SLR guide, that the speed is just one click up on the NEX camera. So all you need to remember is to use the old SLR guide but select the next higher shutter speed on your NEX by one click. Easy to remember for any kind of adapted lens, zoom or prime!

    Once you begin to use this guide in real life, it becomes instinct and you begin to make these adjustments on the field without even thinking about it. It is a very satisfying feeling when you get it right. :) 
  5. serhan

    serhan TalkEmount All-Pro

    Aug 27, 2011
    Usually I use shutter priority to select the shutter speed if the shutter speeds are too slow to cause blur, then the camera selects iso automatically. So it is more like M shooting since you select the aperture for the lens initially, not on the camera.

  6. freddytto

    freddytto TalkEmount All-Pro

    Dec 2, 2011
    Puebla, Mexico
    Dioptric thank you very much, that's why I love this board and makes it very cool, share tips, tricks, and many things that make us all grow together, learning each other and that I appreciate it....
    I will put into practice what you mention, well that at the beginning will be difficult to get used to manual focus, but practice makes perfect
    : O

  7. Dioptrick

    Dioptrick TalkEmount All-Pro

    Feb 4, 2012
    New Zealand
    You are welcome.

    In the old film days, it is very expensive to use many rolls of film just to master a technique... but the good news is, practice is free with digital cameras! :eek: 

    Try to practice your panning shots on moving cars or taxis on your street (day or night). Use your Vivitar zoom on different focal lengths and their corresponding minimum hand held speed. Serhan is correct, just select S-priority shooting mode and the camera will change the ISO to suit the aperture you have selected on the lens itself.

    Then, show us some of your work with your Vivitar lens by posting it here! :) 
  8. davect01

    davect01 Super Moderator

    Aug 20, 2011
    Fountain Hills, AZ
    Wow, some great info here.

    I actually had this lens briefly, but replaced it with different lenses.

    The biggest issue is going to be on the long side of the lens. With no stabilization, you will have to have a steady hand and keep the ISO's low/Shutter speeds high.
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