Canon RF 600mm F4L IS USM vs Canon RF 800mm F5.6L IS USM
Better figure, where one is clearly better
| CanonRF 600mm F4L IS USM | CanonRF 800mm F5.6L IS USM | |
|---|---|---|
| Overview | ||
| Released | July 2021 | May 2022 |
| Optics | ||
| Lens type | Prime | Prime |
| Focal length | 600 mm | 800 mm |
| Maximum aperture | f/4 | f/5.6 |
| Minimum aperture | f/32 | f/64 |
| Optical construction | Seventeen elements in thirteen groups | Twenty-six elements in eighteen groups |
| Special elements | Two fluorite elements and one Super UD element | Two fluorite elements, one Super UD and one UD element |
| Coatings | Super Spectra and ASC; fluorine coatings on front and rear elements | Super Spectra and ASC; fluorine coating on the front element |
| Aperture detail | Maximum f/4; minimum f/32 | Maximum f/5.6; minimum f/64 |
| Diaphragm | Nine blades | Nine circular blades |
| Angle of view | Full-frame diagonal 4°10′ | Full-frame diagonal 3°05′; horizontal 2°35′; vertical 1°40′ |
| Mount and compatibility | ||
| Mounts | Canon RF | Canon RF |
| Image circle | Full frame | Full frame |
| Compatibility | Canon RF mount for full-frame and APS-C EOS R cameras; 960 mm equivalent field of view on Canon APS-C | Canon RF mount for full-frame and APS-C EOS R cameras |
| Teleconverter support | Compatible with RF 1.4× and RF 2× extenders | RF 1.4× gives 1120 mm f/8 with 0.49× magnification; RF 2× gives 1600 mm f/11 with 0.71×; AF and IS operate with either extender |
| Focus and stabilisation | ||
| Autofocus | Yes | Yes |
| Minimum focus distance | 4.2 m | 2.6 m |
| Maximum magnification | 0.15× | 0.34× |
| Optical stabilisation | Yes | Yes |
| Autofocus detail | Ring-type USM with Power Doubled Focus Drive on compatible cameras; full-time manual override | Ring-type USM; electronic full-time manual focus requires compatible body settings; original EOS R, RP and Ra are unsupported, and R5/R6 require firmware 1.3.0 or later |
| Focus distance detail | 4.2 m minimum focus; two stored focus presets and variable-speed manual focusing | 2.6 m minimum focus; full range, 2.6–20 m and 20 m–infinity limiter settings; three manual-focus speeds and two stored focus presets |
| Magnification detail | 0.15× maximum magnification | 0.34× maximum magnification; approximately 206 × 138 mm subject fills a full-frame image at minimum focus |
| Stabilisation detail | Canon rates optical IS at 5.5 stops with EOS R or EOS R5 under CIPA yaw/pitch conditions; modes 1, 2 and 3 | Canon UK and Japan rate optical IS at 4.5 stops with EOS R, R5 or R3 under CIPA yaw/pitch conditions; modes 1, 2 and 3 |
| Video features | Aperture control in 1/8-stop increments; power-focus mode for controlled focus transitions | Aperture control in 1/8-stop increments; power-focus mode with two speeds selected by playback-ring rotation |
| Design | ||
| Dust and moisture resistant | Yes | Yes |
| Filter diameter | 52 mm | 52 mm |
| Maximum diameter | 168 mm | 163 mm |
| Length | 472 mm | 432 mm |
| Weight | 3,090 g (better) | 3,140 g |
| Controls | Focus ring, playback ring, focus-preset controls and lens-function buttons; no custom control ring (Cameralabs) | Focus and playback rings, AF/PF/MF selector, focus-speed and preset switches, and four lens-function buttons |
| Filter detail | 52 mm drop-in screw-type filter holder 52 (WIII), supplied with a clear Protect filter; optional circular polariser and gelatin holder | 52 mm drop-in screw-type holder 52 (WIII), supplied with a clear Protect filter; compatible with optional drop-in polariser and gelatin holder |
| Weather resistance | Dust- and moisture-resistant construction with heat-reflective white paint | Dust- and moisture-resistant construction with heat-reflective paint |
| Dimensions detail | 168 mm maximum diameter × 472 mm length | 163 mm maximum diameter × 432 mm length |
| Weight detail | Approximately 3,090 g lens | Approximately 3,140 g lens |
| Tripod mount | Rotating built-in foot with 1/4-inch and 3/8-inch threads; no Arca-Swiss dovetail (Cameralabs) | Supplied tripod collar and support foot |
| Lens hood | ET-160 (WIII) included; shorter ET-160B optional | ET-155 (WIII) included; shorter ET-155B optional |
| In the box | Lens, RF dust cap, drop-in screw-type filter holder 52 (WIII) with 52 mm Protect filter, E-185C soft cap, ET-160 (WIII) hood, LS600 soft case, Lens Wide Strap B and user manual | Lens, drop-in screw-type filter holder 52 (WIII) with 52 mm Protect filter, E-180E cap, RF dust cap, ET-155 (WIII) hood, LS600 soft case, Lens Wide Strap B and user manual |
| Release detail | July 2021 Japanese first release confirmed retrospectively by Canon's March 2022 announcement and Camera Museum | First sale in Japan on 26 May 2022, stated by Canon Japan support; the original announcement promised late May |
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