TLS Canon FD Image Circles & Sensor Coverage
We look at image circles of the TLS Canon FD lenses and coverage of ARRI LF open gate, 4.3K LF 16:9, 3.8K LF 16:9, S35 open gate and Alexa Mini 3.2K formats.
Ben Bateman
Updated June 24, 2024
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2 min read
See the video below for ARRI format coverage of each lens in our TLS rehoused Canon FD lens set.
Every Canon FD lens in this set has an image circle large enough to cover the full LF open gate format (which needs an image circle of at least 44.71mm diameter for full coverage), so you won't see any portholing or heavy vignetting for any of these lenses.
The point of the video is therefore to show you the falloff character of each lens for each of the formats we are looking at.
The table below summarises coverage of the lenses in our TLS Canon FD set.
| Focal Length | Image Circle | LF Open Gate | 4.3K LF 16:9 | 3.8K LF 16:9 | S35 Open Gate |
20mm T2.9 | 46mm | Yes | Yes | Yes | Yes |
24mm T1.5 | 46mm | Yes | Yes | Yes | Yes |
28mm T2.1 | 46mm | Yes | Yes | Yes | Yes |
35mm T2.1 | 46mm | Yes | Yes | Yes | Yes |
50mm T1.3 | 50mm | Yes | Yes | Yes | Yes |
85mm T1.3 | 60mm | Yes | Yes | Yes | Yes |
100mm T2.1 | 60mm | Yes | Yes | Yes | Yes |
