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IronGlass MKII Soviet Rehoused

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IronGlass MKII Soviet Rehoused 20mm T3.5
IronGlass MKII Soviet Rehoused 28mm T3.5
IronGlass MKII Soviet Rehoused 37mm T2.8
IronGlass MKII Soviet Rehoused 58mm T2.0
IronGlass MKII Soviet Rehoused 85mm T2.0
IronGlass MKII Soviet Rehoused 135mm T2.8

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IronGlass MKII Soviet Rehoused

Prime - Spherical - Full Frame

product details

The IronGlass MKII Primes are Soviet-era still lenses rehoused in cine housings. These spherical primes are prized for their vintage imperfections and unique aberrations, which are embraced as stylistic tools. Their character is bold: swirling bokeh, distinctive flare streaks, lower contrast, and edge softness define their look. Filmmakers use them to add vintage imperfection and analog soul to otherwise clean digital images. Available focal lengths are 20mm, 28mm, 37mm, 58mm (Helios 44-2), 85mm (Jupiter), 85mm (Helios 40-2), and 135mm, with T-stops from T1.4 to T3.6. Available for rental or sub-rental at Cine Visuals.

Focal Length
T-Stop
Type
Format
Front Diameter
Lens Mount
Metadata
Iris Blades
Image Circle

Era / Generation
Contrast & Tonal Character
Sharpness & Resolution
Focus Fall‑Off / Transition
Iris & Bokeh Quality
Flare & Highlight Behavior
Handling & Ergonomics
Build & Modifications
Cinematic Heritage & Credits

*Refer to Technical Specifications table. Not the same for all focal lengths.

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Technical Specs Table

T-Stop

Type

Format

Front Diameter

Lens Mount

Metadata

Close Focus (ft)

Close Focus (m)

Weight (lbs)

Weight (kg)

Length (in)

Length (mm)

Iris Blades

Image Circle

Front Filter

Rear Filter

Horizontal Angle of View (Full Frame)

Horizontal Angle of View (S35)

Focus Rotation

T3.5

Spherical

Full Frame LF/VV

95 mm

–

0.18 m

1.30 lbs

0.59 kg

3.00"

76.20 mm

–

T3.5

Spherical

Full Frame LF/VV

95 mm

–

0.20 m

1.70 lbs

0.77 kg

3.00"

76.20 mm

–

T2.8

Spherical

Full Frame LF/VV

95 mm

–

22"

0.56 m

0.95 lbs

0.43 kg

3.00"

76.20 mm

–

T2.0

Spherical

Full Frame LF/VV

95 mm

–

19"

0.48 m

1.30 lbs

0.59 kg

3.00"

76.20 mm

–

T2.0

Spherical

Full Frame LF/VV

95 mm

–

2'7"

0.79 m

1.38 lbs

0.63 kg

3.00"

76.20 mm

–

T2.8

Spherical

Full Frame LF/VV

95 mm

–

1.22 m

2.12 lbs

0.96 kg

4.00"

101.60 mm

–

IronGlass MKII Soviet Rehoused

Image Fidelity & Focus

Sharpness is moderate, with a vintage glow when shot wide open. Color rendition tends toward warmer tones. Contrast is low, with a gentle, hazy quality that softens digital sharpness. Sharpness itself is modest, with strong central clarity but significant falloff toward the edges. Chromatic aberrations are visible, particularly wide open, but are embraced as part of their character.

Handling & Adaptability

IronGlass rehousing transforms fragile still lenses into robust cine tools. The MKII rehousings feature PL mounts, standardized fronts, consistent gear positions, and durable housings. They are heavier than the original still versions but remain lighter than modern cine primes. This makes them highly adaptable for indie productions where weight and budget are considerations.

Flare & Bokeh

Bokeh is often swirly, especially in Helios-based lenses, creating distinctive backgrounds. Flare can produce dramatic veiling and colorful artifacts ranging from golden veils to dramatic rainbow arcs, depending on the base lens.

Image Circle

These lenses cover Full Frame sensors, making them versatile across most modern digital cinema cameras.

Cinematic Heritage

Introduced as far back as the 1950s, most of the original Soviet lenses were made cheaply based on Carl Zeiss optical formulas, which gave them unique image characteristics, such as dreamy flares, swirly bokeh, and overall painterly texture that can only be produced in-camera. IronGlass, based in Ukraine, began rehousing Soviet lenses in the 2010s during the surge of interest in vintage glass. IronGlass Soviet lenses have been used on many major projects, including The Batman (2022), The Pope’s Exorcist (2023), The Creator (2023), and Dune: Part Two (2024).