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Bausch & Lomb / Spherical Prime

Bausch & Lomb Super Baltar, TLS Rehoused

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ARRI / Spherical Prime

ARRI Signature Prime

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Original illustrations of representative lenses, with simplified details and no shared scale. The overview, use cases and tradeoffs are editorial selection guidance. Test the exact lenses on your camera before committing to a package.

Bausch & Lomb Super Baltar, TLS Rehoused and ARRI Signature Prime: specifications and editorial notes
Specification	Bausch & Lomb Super Baltar, TLS Rehoused	ARRI Signature Prime
Overview	Rehoused vintage primes described by Old Fast Glass as warm, lower in contrast and softer at the edges. The documented TLS set uses matched 110mm fronts.	Large-format LPL primes with a broad focal range. ARRI describes their rendering as warm on skin, with soft bokeh and delicate flares.
Lens type	Spherical Prime	Spherical Prime
Focal range	20–152mm in the referenced set	12mm-280mm
Max. aperture	T2.3 core; varies by focal length	T1.8-T2.8
Coverage	Super 35 Super 35. Longer focal lengths may cover Full Frame; check the individual lens and sensor mode.	Super 35 / Full Frame ARRI specifies coverage up to a 46mm image circle. The 200mm is T2.5 and the 280mm is T2.8; other bare primes are T1.8. Check the chosen sensor mode.
Mounts	PL	LPL
Image circle	Not established	46 mm
Introduced	Not established	2018
Use cases	Vintage portraiture with softer edges Character-led Super 35 narrative work	Large-format narrative features Premium commercial work Controlled focus-pulling environments
Tradeoffs to test	Full-frame coverage is focal-length dependent. Specifications and condition belong to the particular rehoused set.	Heavier than classic S35 prime sets Less innate texture than vintage families
Sources	Old Fast Glass (opens in a new tab)	ARRI (opens in a new tab) ARRI (opens in a new tab) ARRI (opens in a new tab)
GLM sourcing	Ask GLM about sourcing GLM can use this profile as a starting point for lens strategy, sourcing, or adjacent package recommendations.	Ask GLM about sourcing GLM can use this profile as a starting point for lens strategy, sourcing, or adjacent package recommendations.

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