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[Crab spider and Dance Fly DINNER]

Discussion in 'Macro, Flowers, Insects, and Greenery' started by Kevin_d50, May 30, 2007.

  1. Caught this fella busy with dinner in our daisy bush.
    Dont'cha just love that camoflauge!?

    Sigma 18-50mm f/3.5-5.6 lens @ 24mm, reversed onto Kenko DG Extension Tubes (68mm)

    EXIF for most is unknown, as reversing removes the aperture and lens f/l etc ;) 
    Setup was 1/100s, Aperture operated by lever, SB-600 off camera via SC-29 TTL cord, desklamp for lighting.
    Reversed lens attached to face of tubes using rubber bands :D 

    crab8.

    The dance fly was approx 2mm in size.

    crab7.
    crab5.
    crab4.
    crab3.

    Below; Sigma @ 50mm just with 68mm tubes;
    crab6.

    Below; Sigma 105mm f/2.8 macro;
    crab9.

    Last one, Sigma 105mm f/2.8 with 68mm extension, and reversed Sigma 18-50 @ 24mm;
    crab10.

    Anyone know how to calculate reproduction ratio please?
    Thanks
     
  2. Wicked cool
     
  3. I am going to 'take a flyer ' at this.

    Judging from the size of the image and the depth of field I think that they range from just less than 1:1 (life size) to 1.5:1 through to about 2.5 or 3:1.
    The problem is that once you reverse a lens on a zoom the calculations become rather complicated especially with digital.

    I hope this helps.

    Bob F.
     
  4. Wow, incredible series! Gives new meaning to the term "dinner show". :biggrin:
     
  5. thanks bob, the "zoom" was the reversed one @ 24mm. the fixed was 105mm. tubes were 68mm.
    macro lens (105) was fully extended to 1:1 already.
    any better now?
     
  6. Hi Kev, nice to find a familiar name over here.

    Great shots too.

    Alex
     
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