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By virtue of its 50mm focal length (75mm equivalent in 35mm terms) and first-rate lens focusing at a short distance, the Sigma DP3 Merrill is natively well suited to close-up work, and this ability can be enhanced by using a close-up lens.

When doing macro shots, the photographer is seeking to capture the finest details, so the Foveon sensor is particularly relevant here.

Canon 250D Close-up Lens

Lots of cheap close-up lenses exist, but the Canon models are better corrected (achromatic) and as good as they come, but inevitably more expensive. Needless to say, using a lesser close-up lens wastes the potential of the DP3 Merrill and its combination of true-color sensor and top-notch lens.

Magnification gain

With lenses of 85mm and below, an extension tube (fitting between the lens and the camera body) provides more magnification than a close-up lens. However, one easily understands that it is not a solution with the Sigma DP3 Merrill.

So what can we expect to gain with a 4-diopter close-up lens like the Canon 250D?

Sigma DP3 Merrill at minimum focusing distance: fills a frame of approx. 65 x 43mm (2.56 x 1.70 in)

Sigma DP3 Merrill at MFD + Canon 250D close-up lens: fills a frame of approx. 42 x 28mm (1.65 x 1.10 in)

For the record, most true macro lenses fill a 36 x 24mm frame (when used on a full-frame camera).

In practice, the magnification advantage is much more impressive than what the numbers suggest, so let’s see some visual evidence.

Click on “Compare Images”.

Sigma DP3 Merrill at Minimum Focusing Distance Sigma DP3 Merrill at Minimum Focusing Distance
Sigma DP3 Merrill at Minimum Focusing Distance + Canon 250D Close-up Lens Sigma DP3 Merrill at Minimum Focusing Distance + Canon 250D Close-up Lens

 

Examples

Shooting shy insects can be challenging due to the short focusing distance, but it is doable with the usual patience required in this practice. Lighting is a non-issue with a tall flash unit like the Sigma EF-610 DG Super.

Scroll your mouse over a picture to see an enlarged portion, or click to make it fit your screen and see picture info.

Hard Drive with Sigma DP3 Merrill and Canon 250D Close-up Lens, f/11

Butterfly with Sigma DP3 Merrill and Canon 250D Close-up Lens, f/9

Daisy with Sigma DP3 Merrill and Canon 250D Close-up Lens, f/5

Good to know

  • These lenses limit the focusing range, so only close-up shots are possible.
  • Autofocus is operational, but the live view manual focusing of the DP3 Merrill offers the best control.

 

Sigma-Rumors uses the MagicZoom Plus plugin.

All pictures are copyright Sigma Rumors.

  • Hd Pro

    Macro lens for the DP3: Only achromatic lenses will do, like the Canon 250D or the Marumi with +3dp or +5dp and they can be combined, you will lose the edges, but with more enlargment the DOF will shrink and only the center will be sharp anyway.

  • Hd Pro

    Wideangle converter with the DP1 Merrill. I have tested over 20 brand and no brand converter and there is only one matching the resolution and / or the 28mm; Sony VCL-DEH08R 0.8x originally for the DSC-R1. It’s big and heavy, but gives a acceptable 22mm which is sharp, only open at 2.8 in the farest corners, there is a little falloff remarkable. First I adapted it with the original VAD-RA adapter and the Novoflex Miniconnect, very stable and no risk for the camera, this I use mostly on the tripod, but I also made a 67mm ring on the original converter instead of the bayonet and screwed it with a step-up ring directly on the lens, this solution is smaller, but also fragile, so I use it only with both hands. But you can really forget any Olympus, Nikon, Raynox, Ricoh or Canon converter. For the DP3 I have an Olympus TCON-14 62mm converter, originally for the E-20 designed, which is very weell.

  • Richard

    Somewhat related:

    Anyone have any experience with a wide angle adapter for the DP1M?

    I see the Ricoh GW-3 mentioned a fair bit.

  • Chris

    I wonder if this 250D can be used on a DP1M or DP2M.

  • Richard

    Any insights on how these compare to the Marumi models?

    • S-R

      They are good too, but are optimized for high center sharpness. The Canon models have a more even performance across the frame. Unlike Canon though, Marumi offers a 67mm close-up lens, but I’d rather use the 72 or 77mm Canon model with a step-up ring, at the expense of not using the lens hood.

  • XE11

    any particular reason for going 58mm filter then step down to 52mm than going straight for 52mm filter? (filter frame blacks out the corners?)

    • S-R

      Nothing except a prospective use on the dp3 Quattro. From my experience these close-up lenses don’t add any noticeable vignetting, whatever the aperture.

      • Pr

        Actually all dpxQ will be 58mm as far as I can see, so one can also use the 58mm on a dp2Q or dp1Q.

        If you have also Marumi, could you do a comparison shot between that and this Canon close-up?

        • S-R

          I don’t have one at the moment, but I definitely consider doing such a comparison.
          And yes, all Quattros will have the same filter size, a wise choice from Sigma.

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