What the thread found

• The F900R replaces the F900/3 model and incorporates lead-free solder to meet EU regulations, featuring reduced weight, smaller size, lower power consumption, and built-in downconversion capabilities.
• A bare F900/3 camera body without viewfinder, lens, or battery weighs approximately 24 pounds, but fully equipped Steadicam rigs with follow focus systems and accessories can exceed 80-90 pounds total.
• Depth of field control differs significantly between the Digi-Primes and Pro35 lens adapters, with the Pro35 providing shallower depth of field but losing light transmission that varies non-linearly across different apertures.
• The Pro35 adapter causes approximately 1.5 stops of light loss at T1.9-T2.0, reducing to one-third stop or no loss at T16 and T22.
• Car interiors and tight spaces present challenges when using the Pro35 adapter, which adds approximately one additional foot to overall rig length compared to Digi-Prime configurations.
• Zeiss T2 standard speed lenses may vignette when used with the Pro35 adapter and require Super Speed, Ultra Prime, Master Prime, or Cooke optics.
• Digi-Prime backfocus requires checking multiple times throughout shooting days and after significant temperature changes to maintain consistent image sharpness.
• Long lens Steadicam work at wide apertures like T1.6 demands high skill from the focus puller due to extremely shallow depth of field.

Depends on

• The exact availability timeline and adoption rate by rental houses remain uncertain.
• Pro35 performance characteristics and light loss measurements come from one source and may not represent all variations.
• Endurance for carrying heavy Steadicam rigs appears highly dependent on individual physical conditioning and years of professional experience.
• Ground glass grain visibility with Pro35 can be managed through oscillating glass speed adjustment but requires setup testing and consistency.

Parts

Follow Focus

Same gear or parts

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