TLS Cooke Speed Panchro Sensor Coverage

This article looks at the ARRI sensor coverage of each lens in our TLS Cooke Speed Panchro set. We look at LF open gate, S35 open gate and S35 3.2K formats.

Ben Bateman

Updated May 9, 2024

·

2 min read

In the video below we show you the sensor coverage of each lens in our TLS Cooke Speed Panchro lens set.

You'll notice that only the longer lenses completely cover the LF open gate format, which is to be expected from a set of vintage lenses designed in the 1940s and 1950s.

An interesting detail is that sensor coverage changes as focus is racked, which is why a video works well as we can show you how coverage changes as focus is racked from minimum object distance to infinity. This is primarily visible in the wider focal lengths lenses.

The table below summarises coverage of the lenses in our set.

TLS Cooke Speed Panchro format coverage
Focal Length LF Open Gate S35 Open Gate S35 3.2K

18mm

No

No

Yes

25mm

No

Yes

Yes

32mm

No

Mostly - strong vignette

Yes

40mm

No

Yes

Yes

50mm

Yes - some vignetting

Yes

Yes

75mm

Yes

Yes

Yes

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