52mm wide-angle for reversing?

Discussion in '35mm Cameras' started by Belgos, Aug 20, 2005.

  1. Belgos

    Belgos Guest

    Hi,

    I have an A95 and want to experiment with reversed lenses for macro. I
    bought the adaptor to the 52mm thread and now I need a 52mm lens to start
    shooting. Tried my canon ef 50/1.8 and it's fine but I want more
    magnification. I understand I need to go wider.
    I want to look on ebay for oldies wide-angle 52mm lenses. I would like
    suggestions as to which inexpensive brands I should look for, as apart from
    the big names I don't have a clue about the others...

    Any help appreciated.

    Kostas
     
    Belgos, Aug 20, 2005
    #1
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  2. Belgos

    MXP Guest

    Many Nikkors uses 52mm filter thread.

    The widest I know is the AI(S) 20/3.5.
    You can also use: 24/2.8, 28/2.8, 28/2.0, 35/2.8, 35/2 etc.....

    Probably the 35/2.8 is the cheapest followed by the 28/2.8.
    A 28/3.5 was also made as far as i remember.

    Max
     
    MXP, Aug 20, 2005
    #2
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  3. Belgos

    DaveJ Guest

    Sigma 24mm 2.8 has a 52mm filter thread - good lens, well over 15 years old
    now. Think it was around £100 (e145) new, sometime between 1987 and 1990.
     
    DaveJ, Aug 20, 2005
    #3
  4. Belgos

    DaveJ Guest

    ps - this is the manual focus version, think they also did autofocus ones
    but dunno if these were the same filter thread.
     
    DaveJ, Aug 20, 2005
    #4
  5. Belgos

    Gordon Moat Guest

    The Nikon 28 mm f3.5 AIS in reversed has about the highest magnification you
    can get in the Nikon system without using extension tubes or bellows. The
    screw mount in front is 52 mm. Might be strange putting a Nikon lens onto a
    Canon.
     
    Gordon Moat, Aug 20, 2005
    #5
  6. Belgos

    Brian Baird Guest

    A lot of people do it. There's a Nikon to EOS adapter - because the EOS
    mount is larger than the Nikon mount, you only get a slight change in
    the focal length. Now if it wasn't nearly $250 for a $5 CRC machined
    piece...
     
    Brian Baird, Aug 20, 2005
    #6
  7. Belgos

    Gordon Moat Guest

    Don't you mean that the flange to focal plane distance on the Nikon is
    longer, which allows an adapter to work. Go the other direction with a
    Canon lens on a Nikon, and it would be like the Canon lens functioned
    through a short extension tube.
    Yeah, I don't get these prices either. Local machine shops charge a minimum
    of $50 for anything within one hour. Wouldn't be too difficult to come up
    with something that works.
     
    Gordon Moat, Aug 21, 2005
    #7
  8. Belgos

    Brian Baird Guest

    Er, you could phrase it like that, but it would be largely unnecessary.

    I'm mainly concerned that wider mount = room for adapter ring without
    loss of infinity focus.
    I doubt the company has a patent. Want to go into business?
     
    Brian Baird, Aug 21, 2005
    #8
  9. Belgos

    Gordon Moat Guest

    Yeah, shame that Nikon has such a long mount to film plane distance. It would be
    fun to try different lenses, but not without * focus.
    I have a machinist friend I have been trying to catch up with lately. He could
    probably knock these out really quick once the design is programmed into the
    mill. Of course, the one I am considering is a Nikon to Hasselblad XPan design.
     
    Gordon Moat, Aug 21, 2005
    #9
  10. Belgos

    Brian Baird Guest

    We can do it all!
     
    Brian Baird, Aug 21, 2005
    #10
  11. Belgos

    MXP Guest

    MXP, Aug 21, 2005
    #11
  12. Belgos

    Brian Baird Guest

    Brian Baird, Aug 21, 2005
    #12
  13. Belgos

    Gordon Moat Guest

    Why? You have access to a mill? CNC machine?
     
    Gordon Moat, Aug 22, 2005
    #13
  14. Belgos

    Brian Baird Guest

    Er... yeah...no.

    I can dream, can't I?
     
    Brian Baird, Aug 22, 2005
    #14
  15. Belgos

    Gollum Guest

    You're probably referring to the Novoflex adaptor. But there are cheaper
    alternatives:
    http://www.fotodiox.com/shop/product_info.php?products_id=164
    http://www.kievcamera.com/product.php?ID=195
    http://www.dvdtechcameras.com/other/adapter/27/27.htm
    http://araxfoto.com/accessories/nikeos/
     
    Gollum, Aug 22, 2005
    #15
  16. Belgos

    BC Guest

    For high magnification with excellent quality you may want to consider
    attaching two lenses face-to-face with a reverse-coupling ring. Put a
    longer lens such as a 135mm or 200mm prime lens on the camera, and open
    the iris all the way. Then reverse-mount a short EFL lens onto the
    longer lens. Be sure to stop down using the shorter lens or else you
    will encounter unnecessary vignetting and aberrations. The
    magnification in this setup is equal to the focal length of the long
    lens divided by the focal length of the shorter lens. Thus, if you
    reverse a 20mm lens on a 200mm lens you would get 10x magnification.

    Nikon lenses are good for reverse-mounting onto the front because they
    can be manually stopped down.

    Brian
     
    BC, Aug 23, 2005
    #16
  17. Belgos

    Paul Furman Guest

    Here's my experiment with that technique:
    <http://www.edgehill.net/1/?SC=go.ph...our-garden/more/2005-06-19-spider&PG=1&PIC=1>
    Preposterously high magnification but pretty darn poor quality. Very
    akward to reach my finger around to the aperture lever on the front to
    stop it down also. I attribute the poor quality to abusing my excellent
    quality 200mm zoom for extreme macro as it is simply not designed for
    closeup work and being a zoom, had a bazillion pieces of glass in it.

    I would be curious to try the 45 2.8 P reversed on it's own since it is
    such a simple 'clean' design but as I said holding the finger on the
    lever is very akward. What does the direct reversing adaptor cost? Does
    it have a name I could google for? If there were a bellows or extension
    tubes that transmitted aperture control that would be worth something
    and could be used on a real macro lens when I get around to that some day.
     
    Paul Furman, Sep 11, 2005
    #17
  18. Belgos

    Belgos Guest

    If I understood well: The name for the adaptor for (any) lens reversed on
    camera body is 'reversing ring'. Ebay has quite a few, for different brands.
    For manual apperture lenses, that is.

    Automatic extension tubes are not expensive but the (novoflex) automatic
    bellows is, a bit. For my pokcet anyway. Oh, and there is also a reversing
    ring ring from novoflex which gives full apperture control. Price to the
    stars. If you are niterested I give you the type for Canon:

    http://www.bhphotovideo.com/bnh/con...010&is=REG&addedTroughType=categoryNavigation

    Cheers

    Kostas
     
    Belgos, Sep 11, 2005
    #18
  19. Belgos

    Paul Furman Guest


    Actually I was thinking of the device that would let me mount a single
    52mm threaded lens directly onto my Nikon backwards. Glue a reversing
    ring on an old plastic body cap?

    Hey, that's fancy. For $350, you might as well get a macro lens though
    it seems a good macro lens is twice that and it seems reversed lenses
    get even closer than 1:1 macro lenses.
     
    Paul Furman, Sep 11, 2005
    #19
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