Nauticam SMC-3 Super Macro Converter 3 M67 Macro Diopter Lens

Nauticam is proud to introduce the SMC-3, the latest evolution in our line of water contact optics! Designed as a renewed version of the acclaimed SMC-1, the SMC-3 boasts a lightweight build—now only one-third the weight of its predecessor—without compromising optical performance.

Key Features

• Ultra-Lightweight Design: Weighing in at just one-third of the SMC-1, the SMC-3 offers unparalleled portability for on-the-go use.
• Superior Optical Performance: The SMC series offers the same exceptional clarity and precision you've come to expect.
• Increased Working Distance: The redesigned lens allows for a greater working distance, making it easier to use and providing enhanced versatility.
• Premium Materials: Crafted with advanced materials to enhance durability while minimizing weight.
• Cost-Effective: Slightly more affordable than the discontinued SMC-1, the SMC-3 delivers exceptional value.

Uncompromised Optical Quality

The Super Macro Converter 3 is constructed from precision-crafted, specially formulated, low-dispersion, optical-grade glass lenses that are ground to the most demanding standards. These exceptional measures, enhanced by broadband anti-refective coatings, effectively reduce common optical issues such as chromatic aberrations, coma, spherical aberration, and field deformation associated with underwater macro photography using traditional magnifying lenses. These optics are assembled in a rugged, hard anodized aluminum housing, and nitrogen is purged during assembly to eliminate fogging.

Stunning Magnification

When combined with a full-frame camera and a 100mm or 105mm macro lens, the device converts the optical system to provide a maximum of 2.4X magnification factor. In other words, a subject area of 15.6mm X 10.4mm will fill the whole frame of a 36mm X 24mm sensor.

Improved Sharpness and Contrast

As the Super Macro Converter 3 is optimized explicitly for use together with a macro lens underwater, images captured exhibit exceptional sharpness compared with conventional magnification lenses. Thanks to the broadband multi-layer anti-reflection coating on each surface of the lenses, images also exhibit higher contrast.

Superb Light Transmission

All the lens elements installed inside the SMC are optically optimized to appropriate diameters to provide maximum light transmission. Under even the most extreme conditions, the SMC doesn't suffer from vignette issues. The broadband multi-layer anti-reflection coating on all surfaces also greatly improves light transmission.

Optimized for Autofocus

By utilizing a specially developed algorithm in the optimization process, the SMC renders superior image quality over the full focusing range of the camera lens (which becomes ~50 to ~100 mm in front of the SMC). Also benefitting from the high brightness and contrast of the image, the camera's autofocus system usually works acceptably well within this range.

Ample Working Distance

Even at the maximum 2.3X magnification, there is still more than 50mm of working distance between the front element and the subject with 100/105mm macro lenses. This working distance is crucial when capturing behavior with skittish subjects.

Resolution

High resolution was a primary design goal of the SMC project. This has been achieved using computer-aided optimization and high-grade optical glasses with unique refractive and dispersion properties. Images taken with this new system exhibit very high resolution and quality. Results have exceeded expectations, and these images rival the quality of the macro lens in air.

Smooth Bokeh

The Converter retains the optical properties of the macro lens for the whole system underwater, resulting in a blurred (out-of-focus) background with a pleasing smoothness and creamy look without the normal purple and green fringing.

Avoiding Diffraction

Due to the SMC-3's overall superior optical performance, it is possible to shoot larger apertures with excellent image quality. This avoids reaching the diffraction limit of high-resolution sensors and allows selective focus effects with a narrow depth of field in super macro images.

Compatible Lenses (More Coming Soon)

• Nikon AF-S VR Micro-NIKKOR105mm f/2.8G IF-ED
• Nikon NIKKOR Z MC 105mm f/2.8 VR S Macro
• Canon EF 100mm f/2.8L Macro IS USM
• Canon RF 100mm f/2.8 L Macro IS USM
• Canon RF 85mm f/2 Macro IS STM
• Sony FE 90mm f/2.8 Macro G OSS
• Olympus M. Zuiko Digital ED 60mm f2.8 Macro
• Panasonic LEICA DG MACRO-ELMARIT 45mm F2.8 ASPH. EGA O.I.S.

Optional Accessories

• 25101 M67 flip diopter holder for M67 macro ports
• 25108 M67 Double Flip Holder for M67 Macro Ports
• 83214 Bayonet Mount Adaptor for SMC/CMC
• 83250 M67 to Bayonet Mount Converter II
• 83251 M77 to Bayonet Converter II
• 86221 M67 Flip holder for MWL-1
• 86222 Double Flip Holder for MWL-1
• 87501 Flip Holder for EMWL

SMC-3 Specifications:

• Dimensions: OD 70mm x H 32mm / 2.75in x 2.26in
• Weight in Air: 307g / 10.8oz
• Weight in Water: 215g / 7.6oz
• Magnification: 2.3x
• Working Distance: 55-103mm / 2.2-4.1in
• Lens Construction: 3 elements in 2 groups
• Lens Coatings: Anti-reflection Coating
• Mount Thread Diameter: M67
• Depth Rating: 100mm / 330ft

Included in the box

• Front and rear rubber caps
• Neoprene bag
• M67 Spacer ring for SMC/CMC
• Lens cloth