Canon EOS-1D Specs, Sensor Size & Crop Factor

Q: What is the crop factor of the Canon EOS-1D?

The Canon EOS-1D has a crop factor of 1.26× relative to 35 mm full frame (diagonal 34.5 mm vs 43.3 mm).

1.26×

Crop factor

28.7×19.1 mm

Sensor size

548 mm²

Area · 63% of full frame

4.2 MP

Resolution

11.65 µm

Pixel pitch

f/17.4

Diffraction-limited aperture

2001

Release year

Specifications#

Brand: Canon
Model: EOS-1D
Camera type: DSLR
Released: 2001-01-01
Lens mount: Canon EF
Sensor size: 28.7 × 19.1 mm (APS-H)
Crop factor: 1.26×
Resolution: 4.2 MP (2,464 × 1,648 px)
Continuous shooting: 8 fps
Weight: 250 g (8.8 oz)
Sensor: 28.7 mm x 19.1 mm CCD
Storage: CompactFlash(CF) (Type I or Type II) / max 2GB
Viewfinder: Optical
AF points / area: 45 autofocus points
Metering: TTL full aperture, evaluative, partial, spot, center-weighted
Exposure modes: Full auto, programmed, shutter-priority, aperture priority, manual
Shutter: Electronic shutter, all speeds electronically controlled
Flash: none, hot-shoe
Battery: Ni-MH NP-E3 rechargeable
Lens: Interchangeable (EF)
Predecessor: Canon EOS-1V
Successor: Canon EOS-1D Mark II, Canon EOS-1Ds
Launch price: 750,000¥
Drive: 8.0 frame/s., up to 21 frames

Specifications merged from Wikipedia, Wikidata, Lensfun and openMVG. Spot an error? Tell us.

Sensor size compared#

The Canon EOS-1D sensor (highlighted) drawn to scale against common formats. Its area is 63% of a full-frame sensor, which collects about 0.7 stops less total light at the same exposure.

Focal length equivalents & field of view#

Multiply any focal length by 1.26 to get the full-frame field of view. Angles are for a rectilinear lens focused at infinity.

Lens on this camera	Full-frame equivalent	Horizontal	Vertical	Diagonal
8 mm	10 mm	121.7°	100.1°	130.2°
10 mm	13 mm	110.3°	87.4°	119.8°
12 mm	15 mm	100.2°	77.0°	110.3°
14 mm	18 mm	91.4°	68.6°	101.8°
16 mm	20 mm	83.8°	61.7°	94.3°
18 mm	23 mm	77.1°	55.9°	87.5°
20 mm	25 mm	71.3°	51.0°	81.5°
24 mm	30 mm	61.8°	43.4°	71.4°
28 mm	35 mm	54.3°	37.7°	63.2°
35 mm	44 mm	44.6°	30.5°	52.4°
40 mm	50 mm	39.5°	26.9°	46.6°
50 mm	63 mm	32.0°	21.6°	38.0°
56 mm	70 mm	28.7°	19.4°	34.2°
70 mm	88 mm	23.2°	15.5°	27.7°
85 mm	107 mm	19.2°	12.8°	22.9°
100 mm	126 mm	16.3°	10.9°	19.6°
135 mm	169 mm	12.1°	8.1°	14.6°
200 mm	251 mm	8.2°	5.5°	9.9°
300 mm	377 mm	5.5°	3.6°	6.6°
400 mm	502 mm	4.1°	2.7°	4.9°
600 mm	753 mm	2.7°	1.8°	3.3°
800 mm	1004 mm	2.1°	1.4°	2.5°

Depth of field table#

Total depth of field at each subject distance, using a circle of confusion of 23.9 µm (the 0.030 mm full-frame standard scaled by the crop factor).

Focal	Aperture	50.0 cm	1.00 m	2.00 m	3.00 m	5.00 m	10.0 m	Hyperfocal
17 mm	f/1.8	7.2 cm	29.9 cm	1.29 m	3.32 m	16.5 m	∞	6.73 m
17 mm	f/2.8	11.3 cm	48.0 cm	2.33 m	7.93 m	∞	∞	4.33 m
17 mm	f/4	16.4 cm	72.7 cm	4.61 m	228 m	∞	∞	3.04 m
17 mm	f/8	35.6 cm	2.25 m	∞	∞	∞	∞	1.53 m
34 mm	f/1.8	1.7 cm	7.2 cm	29.4 cm	67.1 cm	1.91 m	8.60 m	26.9 m
34 mm	f/2.8	2.7 cm	11.2 cm	46.1 cm	1.06 m	3.13 m	17.3 m	17.3 m
34 mm	f/4	3.9 cm	16.1 cm	66.8 cm	1.57 m	4.94 m	51.4 m	12.1 m
34 mm	f/8	7.8 cm	32.8 cm	1.45 m	3.88 m	25.3 m	∞	6.08 m
58 mm	f/1.8	0.6 cm	2.4 cm	9.9 cm	22.6 cm	63.5 cm	2.59 m	78.2 m
58 mm	f/2.8	0.9 cm	3.7 cm	15.5 cm	35.2 cm	99.3 cm	4.12 m	50.3 m
58 mm	f/4	1.3 cm	5.4 cm	22.1 cm	50.5 cm	1.43 m	6.14 m	35.2 m
58 mm	f/8	2.5 cm	10.7 cm	44.7 cm	1.03 m	3.05 m	16.6 m	17.6 m
95 mm	f/1.8	0.2 cm	0.9 cm	3.6 cm	8.3 cm	23.4 cm	94.7 cm	210 m
95 mm	f/2.8	0.3 cm	1.3 cm	5.7 cm	12.9 cm	36.4 cm	1.48 m	135 m
95 mm	f/4	0.4 cm	1.9 cm	8.1 cm	18.5 cm	52.1 cm	2.12 m	94.5 m
95 mm	f/8	0.9 cm	3.8 cm	16.2 cm	37.1 cm	1.05 m	4.39 m	47.3 m

Equivalent aperture#

Exposure is identical at the same f-number on any format; equivalence only describes depth of field and total light.

Aperture on this camera	Full-frame equivalent (depth of field)	Hyperfocal at 34 mm
f/1.2	f/1.5	40.3 m
f/1.4	f/1.8	34.6 m
f/1.8	f/2.3	26.9 m
f/2	f/2.5	24.2 m
f/2.8	f/3.5	17.3 m
f/4	f/5.0	12.1 m
f/5.6	f/7.0	8.67 m
f/8	f/10.0	6.08 m

Diffraction & pixel pitch#

With 11.65 µm pixels, diffraction starts to soften pixel-level detail around f/17.4. For maximum sharpness keep landscapes between f/9.5 and f/17; stopping down further trades detail for depth of field.

Aperture	Airy disk diameter	Spread over	At 100% view
f/2.8	3.8 µm	0.3 px	sharp
f/4	5.4 µm	0.5 px	sharp
f/5.6	7.5 µm	0.6 px	sharp
f/8	10.7 µm	0.9 px	sharp
f/11	14.8 µm	1.3 px	sharp
f/16	21.5 µm	1.8 px	sharp
f/22	29.5 µm	2.5 px	slight softening

Maximum print sizes#

At 4.2 MP the Canon EOS-1D produces 2,464 × 1,648 pixel images. See the 4 megapixel guide or the print size calculator.

Resolution	Typical use	Inches	Centimetres
300 DPI	Photo-lab quality	8.2 × 5.5 in	21 × 14 cm
240 DPI	Fine-art inkjet	10.3 × 6.9 in	26 × 17 cm
200 DPI	Wall print	12.3 × 8.2 in	31 × 21 cm
150 DPI	Poster, viewed from 1 m+	16.4 × 11.0 in	42 × 28 cm

Night-sky exposure limits#

Longest exposure before stars trail. The NPF rule accounts for pixel pitch and is stricter than the classic 500 rule — use it for pin-sharp stars on high-resolution sensors.

Focal length	500 rule	NPF f/1.8	NPF f/2.8	NPF f/4
11 mm (14 mm eq.)	36.2 s	37.5 s	40.7 s	44.5 s
16 mm (20 mm eq.)	24.9 s	25.8 s	28.0 s	30.6 s
19 mm (24 mm eq.)	21.0 s	21.7 s	23.5 s	25.8 s
28 mm (35 mm eq.)	14.2 s	14.7 s	16.0 s	17.5 s
40 mm (50 mm eq.)	10.0 s	10.3 s	11.2 s	12.2 s

Open the NPF / 500 rule calculator →

Handheld shutter speed guide#

The reciprocal rule uses the equivalent focal length. High-resolution sensors may need one stop faster than this for pixel-sharp results.

Focal length	No stabilisation (1/equiv. focal)	With 3-stop IS	With 5-stop IBIS
19 mm	1/25 s	0.3 s	1.3 s
40 mm	1/50 s	1/6 s	0.6 s
80 mm	1/100 s	1/13 s	0.3 s
159 mm	1/200 s	1/25 s	1/6 s

Lenses for the Canon EOS-1D#

Native Canon EF lenses in our database (267 total). Also adaptable: T-mount (T2), M42 screw mount, Deckel (DKL), Tamron Adaptall, M39 / LTM (Leica thread).

Samyang 8mm f/3.5 Fish-Eye CS 8 mm
Samyang 10mm f/2.8 ED AS NCS CS 10 mm
Laowa 12mm f/2.8 Zero-D 12 mm
Samyang 12mm f/2.8 Fish-Eye ED AS NCS 12 mm
Canon EF 14mm f/2.8L II USM 14 mm
Samyang 14mm f/2.8 AE ED AS IF UMC 14 mm
Samyang AF 14mm f/2.8 14 mm
Sigma 14mm f/1.8 DG HSM | A 14 mm
Laowa 15mm F/4 Wide Angle Macro 15 mm
Canon EF 16-35mm f/4L IS USM 16–35 mm
Samyang 16mm f/2.0 ED AS UMC CS 16 mm
Samyang 20mm f/1.8 ED AS UMC 20 mm
Canon EF 24mm f/1.4L II USM 24 mm
Samyang 24mm f/1.4 ED AS IF UMC 24 mm
Samyang T-S 24mm f/3.5 ED AS UMC 24 mm
Sigma 24mm f/1.4 DG HSM | A 24 mm
Sigma 28mm F1.4 DG HSM | Art 28 mm
Viltrox AF 33mm f/1.4 XF 33 mm
Sigma 40mm F1.4 DG HSM | Art 40 mm
Canon EF 50mm f/1.8 50 mm
Canon EF 50mm f/1.8 II 50 mm
Canon EF 50mm f/1.8 STM 50 mm
Viltrox AF 56mm f/1.4 XF 56 mm
Laowa 60mm f/2.8 2X Ultra-Macro 60 mm
Canon EF 70-200mm f/2.8L IS II USM 70–200 mm
Sigma 70-200mm F2.8 DG OS HSM | S 70–200 mm
Samyang 85mm f/1.4 IF UMC Aspherical 85 mm
Sigma 100-400mm F5-6.3 DG OS HSM | C 100–400 mm
Sigma 100-400mm f/5-6.3 DG OS HSM | C +1.4x ext. 100–400 mm
Sigma 105 mm F1.4 DG HSM Art 105 mm
Samyang 135mm f/2 ED UMC 135 mm
Sigma 4.5mm f/2.8 EX DC HSM circular fisheye 4.5 mm
Canon EF 8-15mm f/4L Fisheye USM 8–15 mm
Sigma 8-16mm f/4.5-5.6 DC HSM 8–16 mm
Sigma 8mm f/3.5 EX DG circular fisheye 8 mm
Samyang XP 10mm f/3.5 10 mm

Similar cameras#

Other APS-H cameras from around the same time.

Frequently asked questions#

What is the crop factor of the Canon EOS-1D?

The Canon EOS-1D has a crop factor of 1.26× relative to 35 mm full frame (diagonal 34.5 mm vs 43.3 mm).

What size is the Canon EOS-1D sensor?

28.7 × 19.1 mm (APS-H), an area of 548 mm² — 63% of full frame.

Is the Canon EOS-1D full frame?

No — its sensor is APS-H, which is 1.6× smaller in area than full frame.

How many megapixels does the Canon EOS-1D have?

4.2 megapixels (2,464 × 1,648 pixels), enough for a 8 × 5 inch print at 300 DPI.

What lens mount does the Canon EOS-1D use?

The Canon EOS-1D uses the Canon EF (flange distance 44.00 mm).

How long can I expose the night sky with the Canon EOS-1D?

With a 16 mm lens (20 mm equivalent) the 500 rule gives 25 s and the stricter NPF rule at f/2.8 gives 28 s.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources