Canon New FD 17mm f/4

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A compact ultra-wide that carried over the 11-element design of the 1971 breech-lock version with lighter construction. Slow at f/4 but takes ordinary 72 mm filters, which the 14 mm L cannot. Useful as the affordable wide in an FD set when the L glass is out of budget.

Key specs

Focal length

17 mm

Max aperture

f/4

Mount

Canon FD

Image circle

Full frame

Close focus

0.25 m

Filter thread

72 mm

Weight

360 g

Field of view by sensor

Full frame

93.3° horizontal · frames like 17 mm on full frame

Super 35

72.4° horizontal · frames like 24.6 mm on full frame

Micro Four Thirds

53.9° horizontal · frames like 35.4 mm on full frame

What it goes on

FD sits at a 42 mm flange, 2 mm shorter than EF, so a plain EF adapter loses infinity unless it carries a corrective glass element; the clean fix is a permanent mount swap (EdMika kits, also sold through Simmod). On Sony E, L, RF, Z, X and MFT bodies a simple tube adapter with an aperture-release ring works with no glass.

• Sony E camerasWith adapterRonin 4D-6K, Ronin 4D-8K, Alpha 1 II, Alpha 7 IV +13 more

  Novoflex · K&F Concept · Fotodiox. 24 mm of room — a plain mechanical adapter. Manual focus and iris.

• Canon RF camerasWith adapterEOS C400, EOS C50, EOS C70, EOS C80 +10 more

  Novoflex · K&F Concept · Fotodiox. 22 mm of room — a plain mechanical adapter. Manual focus and iris.

• L-Mount camerasWith adapterCinema Camera 6K, PYXIS 12K, PYXIS 6K, Ronin 4D-6K +6 more

  Novoflex · K&F Concept · Fotodiox. 22 mm of room — a plain mechanical adapter. Manual focus and iris.

• Micro Four Thirds camerasWith adapterMicro Studio Camera 4K G2, Pocket Cinema Camera 4K, Lumix BGH1, Lumix GH6 +1 more

  Novoflex · K&F Concept · Fotodiox. 22.8 mm of room — a plain mechanical adapter. Manual focus and iris.

• Nikon Z camerasWith adapterKOMODO-X 6K S35, V-RAPTOR [X] 8K VV, V-RAPTOR XE

  Novoflex · K&F Concept · Fotodiox. 26 mm of room — a plain mechanical adapter. Manual focus and iris.

• Leica M camerasWith adapter· by flange mathsALEXA 265, ALEXA 35, ALEXA Mini LF, Ronin 4D-6K +1 more

  14.2 mm of room for a plain ring. Check rear-element and mirror clearance before buying.

• Canon EF camerasOptical adapterALEXA 265, ALEXA 35, ALEXA Mini LF, Pocket Cinema Camera 6K G2 +14 more

  EdMika FD-EF conversion kit (no glass). FD sits 2 mm closer than EF, so a plain adapter loses infinity and glass adapters soften the image. The accepted fix is replacing the mount (EdMika) — or using a mirrorless body, where FD adapts trivially.

See every camera this lens fits →

Sources: en.wikipedia.org, fdtoef.com