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Sirui rehouses its 1.33x anamorphic lenses for cinema rigs and provides T-stops: Digital Pictures Overview


Chinese language anamorphic lens producer Sirui has launched a brand new set of lenses bases on its current 4 fashions. The Sirui MARS lenses are designed to supply higher dealing with for rigged cameras, and include built-in mod gears for each aperture and focus rings. The apertures have additionally been reclassified as T-stops and the main target throw of every of the fashions has been considerably prolonged to make correct focus changes simpler with comply with focus gear.

Whereas the usual 1.33x anamorphic lenses from Sirui are available in a variety of mounts, the MARS set is obtainable just for the Micro 4 Thirds system – although the corporate tells me they’re contemplating different mounts for the longer term. The focal lengths on provide are 24mm, 35mm, 50mm and 75mm, which correlate instantly with the prevailing lenses. To unify the iris although the f/1.8 lenses now are marked T2, and the f/2.8 aperture of the 24mm is now marked as T2.9. Additional modifications to the lenses embody harmonised filter threads at 67mm (the prevailing 24mm takes a 72mm filter) and every of the MARS lenses is heavier and longer than its authentic equal.

From the group shot {photograph} it seems that Sirui has managed to reposition focus and aperture rings in order that all of them fall in the identical place. It will enable lens modifications with out an excessive amount of rig adjustment, helped too by the truth that now every lens has its personal 1/4in thread mounting socket aligned between the 2 rings. The lenses additionally now have focus and iris scales which might be seen from the aspect of the lens as a substitute of solely from the highest.

Sirui says it hasn’t modified its optical designs for these lenses within the course of, and the variety of components used and the best way they’re grouped is strictly the identical as within the authentic fashions – although some close-focus specs have modified.

For the time being the lenses can be found solely as a set quite than individually, they usually are available in a tough case that may maintain all of them. The units are as a result of start transport on twentieth August, and can price just below $4000 – a premium of about $600 over shopping for all 4 of the unique variations. For extra info see the Sirui web site.

Producer info:

SIRUI MARS 1.33x Anamorphic Lens Set for Micro 4/3

  • Lens Package for Micro 4/3 mount
  • 2.4:1 cinematic widescreen imaginative and prescient
  • 1.33x crop anamorphic entrance component
  • Inbuilt Mod Gears
  • Lengthy Focus throw
  • 1/4inch screw mount
  • Quick T2 aperture (35mm, 50mm, 75mm), Vary T2-T16
  • Quick T2.9 aperture (24mm), Vary T2.9-T16
  • Oval formed bokeh and horizontal flaring
  • Create a cinematic really feel in your movies
  • 67mm filter thread
  • Handbook focus

With its 1.33x Ratio, the lens takes full benefit of the 16×9 sensor crop that these cameras shoot video in to provide a 2.4:1 facet ratio that’s synonymous with theatre film experiences.

The lens equipment makes use of an optically distorting anamorphic entrance component to squeeze the horizontal axis of the shot by 1.33 occasions which permits for extra info to be match onto the sensor. That is then stretched again out in post-production or in-camera (see producers specs for compatibility) to create the broader area of view and ratio in comparison with a standard aspherical lens.

The lens equipment reproduces flares fantastically while the coatings on the lens hold them from obscuring your entire body. The quick aperture of T2 to T2.9 to creates a really shallow depth of area growing the oval-shaped bokeh impact that’s present in anamorphic lenses. this comfortable out of focus space is among the many advantages {that a} true anamorphic lens brings over its filter counterparts or digital crop bars which might be used to mimic the anamorphic ‘look’.

SIRUI MARS 1.33x Anamorphic Lens Set is in 4 focal lengths: 24mm, 35mm 50mm and 75mm, which let you shoot from vast angle to telephoto. The strong construct high quality, signature anamorphic look and the inexpensive worth mixed to open up extra alternatives for inventive composition.

1.33x Squeeze for two.4:1 Facet Ratio

Regular spherical lenses shoot normal 16:9 video.
With a cylindrical optical component within the entrance, SIRUI anamorphic lens squeezes the picture down 1.33 occasions horizontally. When the ultimate picture is desqueezed, you’Il find yourself with an ultra-wide CinemaScope 2.4:l facet ratio.

Oval Bokeh Balls and Blue Lens Flares

The elliptical highlights and blue gentle streaks produced by SIRUI anamorphic lens provide loads of anamorphic really feel, including a sprinkle of magic to your footage.

Complete Focal Lengths

MARS has a set of 4 focal lengths within the set, overlaying an important focal lengths to shoot a whole undertaking. This lens set will certainly give videographers extra management over numerous settings.

Exact T-Stops

The lens set options declicked aperture rings measured in T-stops. Among the many 4 lenses, aside from the 24mm with a T-stop of two.9, the opposite three have the identical T-stop of two.0. These quick lenses carry out extraordinarily properly beneath low gentle situations.

Strong Construct High quality

This lens set is of full metallic housing with normal 67mm filter threads. The load and dimension of the lenses differ barely as a result of totally different mounts. A threaded entrance is included for screw-in equipment just like the matte field.

Constructed-In Mod Gears

Mod gears on the main target ring and the aperture ring are designed for additional easy management. To save lots of you the difficulty of readjusting equipment when altering lenses, the diameter and the space between the main target ring and the aperture ring of every lens is made the identical.

Lengthy Focus Throw

To realize sufficient house for correct focus pulling, the 4 lenses are all engineered with a protracted focus throw (the longest one reaches as much as 303 levels). Graduations on either side of the main target ring permits you to rapidly pull focus to the specified place.

1/4″ Screw Gap

With a 1/4″ screw gap on the backside, the lens may be mounted instantly on the fast launch plate to keep up the steadiness of the entire setup.

M4/3 Native Mount

This lens set is accessible in native mount for Micro 4 Thirds, suitable with Z CAM BMPCC4K, Olympus and Panasonic (particular fashions) cameras. Unified native mounts make taking pictures so much simpler for individuals who need to step into the anamorphic world.

Waterproof and Drop-Proof Robust Suitcase

Plastic injection molding housing, high-density EVA lining in addition to the embedded rubber ring make the suitcase robust sufficient to satisfy a global normal score of IP68, guaranteeing tight safety from the within to the surface. This suitcase facilitates photographers/videographers to hold the lens set round with out worrying in regards to the security of the gear.

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