PhotoNotes Camera Lookup Results.
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This is a basic feature comparison between two camera models - the Canon EOS 1 and the Canon EOS RT.
Canon EOS 1:
The first serious professional camera in Canons EOS lineup, the EOS 1 was the first model to demonstrate the tremendous potential of the EOS line. It lay the groundwork for both the EOS 1 style and interface and for the technology that trickled down the EOS lineup over the next decade.
Sturdy and rugged, the 1 is somewhat lacking in features by todays standards. It only has one autofocus point, it lacks FEC controls, doesnt support E-TTL and so on. However EOS 1 bodies can be readily found on the used market at quite low prices and still remain tough and reliable workhorses. Note that the EOS 1 HS was an EOS 1 with a Power Drive Booster E1 added on.
Canon EOS RT:
The RT, or real-time, was essentially an EOS 600/630 with a fixed pellicle mirror in place of the standard hinged mirror mechanism. This fixed design allowed the camera to shoot at a very high speed with a minimum of shutter lag. An interesting historical piece, but not as useful as contemporary EOS bodies these days. Autofocus, being as it is one of the first Canon cameras to support the feature, is slow at locking in. Its interface in particular is not as well developed as contemporary cameras. A number of important buttons are hidden behind a little door, for example. Very solid and hefty, though. And useful for astrophotography, since its shutter requires no power to stay open. QD (quartz date back) version was available.
Canon EOS 1 Canon EOS RT Camera medium type 35mm film 35mm film European/Australasian name EOS 1 EOS RT North American name EOS 1 EOS RT Japanese name EOS 1 EOS RT Asian name EOS 1 Date introduced September 1989 October 1989 Date discontinued Marketing position when introduced Top of the line Speciality Physical body Canon EOS 1 Canon EOS RT Body type and material Plastic shell over diecast aluminium frame, anti-slip fake leather Plastic and metal Body build quality Excellent Hefty and solid Body colour Black Black Lens mount type Canon EF Canon EF Lens mount material Stainless steel Stainless steel Dimensions (width, height, depth) 161 x 107 x 72mm 148 x 108 x 68mm Relative size Big Medium-sized Weight 890g (with battery) 660g Weatherproofing None None Flash weatherproofing with supported flash units Exposure settings Canon EOS 1 Canon EOS RT Basic (icon) modes None P1: Standard, P2: Quickshot, P3: landscape, P4: sports, P5: portrait, P6: macro, P7: Indoor Program AE (P), aperture priority (Av), shutter speed priority (Tv), and manual (M) modes P, Av, Tv, M, DEP P, Av, Tv, M, DEP Metering types Evaluative, partial, spot, centre-weighted averaging Evaluative, partial iFCL: Dual layer (red/green and green/blue) metering sensor Manual selection of metering types Yes Evaluative metering zones 6 6 Partial metering size 5.8% 6.5% Spot metering size 2.3% n/a Multi-spot metering No No Manual exposure metering Yes Yes Manual exposure metering display Simulated matchneedle Annoying Op, OO or CL display (open aperture wider, correct setting, or close it down) Metering (not autofocus) range at 20°C, ISO 100 EV 0-20 (EV 2-20 with spot metering) EV 1-20 DEP or A-DEP DEP DEP Shiftable DEP mode Exposure setting increments 1/3 stop increments 1/2 stop Exposure compensation increments 1/3 stop increments 1/2 stop Auto-exposure (AE) lock Yes Yes Single-shot AE/AF lock retention (keep shutter release halfway) Multiple exposures Yes; up to 9 exposures Yes; up to 9 exposures Auto exposure bracketing (AEB) +/-3 EV in 1/3 stop increments +/- 5 stops in 1/2 stop increments Tv/Av safety shift to reduce overexposure No ISO safety shift Camera shake warning Optional beeper if shutter speed lower than reciprocal of focal length Stop-down metering for manual-only lenses ISO (film speed/sensor sensitivity) Canon EOS 1 Canon EOS RT Manual ISO range ISO 6-6400 ISO 6-6400 DX-encoded ISO range (film only) ISO 25-5000 ISO 25-5000 Automatic ISO selection in icon modes (digital only) Always displays ISO setting in viewfinder Dedicated ISO button Displays ISO setting in viewfinder when ISO button pressed Digital image processing Canon EOS 1 Canon EOS RT Highlight tone priority (D+) Auto lighting optimizer High ISO speed noise reduction Peripheral illumination correction Peripheral illumination correction database Ambience effect Creative filters Focus Canon EOS 1 Canon EOS RT Autofocus points 1 1 Additional invisible AF points No No Cross sensors 1 0 Autofocus modes One-shot AF, AI servo AF, AI focus AF, manual focus One-shot AF and predictive AI Servo AF with release priority Autofocus point expansion (verifies surrounding points if AF cannot be achieved) Zone autofocus (enables multiple points as a cluster) Spot (reduced area of points) autofocus Manual selection of AF modes Yes AF limit of linear sensors f/5.6 High precision limit of cross sensor(s) f/2.8 Focus point illumination None No Autofocus speed Fast Slow Eye control focus (ECF) No No Autofocus beep confirmation AE lock button can lock focus separately (sometimes known as CF 4) No Dedicated rear-panel autofocus start (AF-ON) button Low-light autofocus abilities (AF working range) at 20°C, ISO 100 EV 1-18 EV 1-18 Manual autofocus micro-adjustment IS (image stabilization) compatible The viewfinder may shake slightly after photo taken if IS is engaged. This is distracting but does not affect the image. With AF off IS may disengage. The viewfinder may shake slightly after photo taken if IS is engaged. This is distracting but does not affect the image. With AF off IS may disengage. Teleconverter (TC) compatible Tilt-shift (TS-E) lens compatible EF-25 (25mm extension tube) compatible Camera incompatible with EF25 when using spot metering only Exposure compensation may be required Autofocus Assist Canon EOS 1 Canon EOS RT Body integral patterned red autofocus assist light No No Incandescent white AF assist light No No Pulses built-in flash annoyingly to serve as AF assist light No No Can use external Speedlite AF assist Yes Yes Can disable internal AF assist No Can disable Speedlite AF assist No Can disable internal and Speedlite AF assists independently Flash support Canon EOS 1 Canon EOS RT Maximum flash sync shutter speed (X-sync) 1/250 sec 1/125 sec Type A or Type B camera body Type B camera (TTL flash metering) Type B camera (TTL flash metering) TTL flash metering Yes Yes TTL flash metering zones 1 A-TTL flash metering Yes Yes E-TTL flash metering No No E-TTL II flash metering No No FP (high speed sync) mode No No Built-in flash unit No No Guide number of built-in flash (metres, ISO 100) Maximum coverage of built-in flash Built-in flash can auto pop-up Built-in flash can auto lower Built-in flash has zoomable flash head Built-in flash zoom detents Tall built-in flash Manual output control of built-in flash MULTI (stroboscopic) mode for built-in flash Wireless E-TTL No No Built-in flash can serve as wireless E-TTL controller Supports wireless E-TTL group C when using built-in flash as master Wireless E-TTL ratios No No Flash exposure compensation (FEC) for internal flash No No FEC for external flash No No FEC scale in viewfinder No No Flash exposure lock (FEL) button No No FEL icon in viewfinder Supports Speedlite modelling light No No Flash exposure bracketing (FEB) Yes Can communicate digital subframe size to flash unit Menu control over external Speedlites (with compatible flash units) Can control flash unit custom functions (with compatible flash units) Auto fill-flash can be disabled No Flash hotshoe painted or bare metal PC (studio flash) socket built in Yes No Supports high voltage (maximum 250 volts; not 6) studio flash No Supports second-curtain sync Yes Yes Second-curtain sync custom function No No Redeye reduction lamp No No Viewfinder Canon EOS 1 Canon EOS RT Viewfinder quality Excellent Average Eye level pentaprism/pentamirror Pentaprism Pentaprism Viewfinder coverage of frame 100% 94% Viewfinder magnification (-1.0 dioptre w/ 50mm lens at infinity) 0.72x 0.8x Built-in dioptric adjustment Yes, +/- 2 dioptres -1 dioptre Eyepoint 20mm 19.3mm Eyepiece shutter No Viewfinder display information AF mark, in-focus dot, spot meter circle, partial meter circle, shutter speed, aperture, AE lock, manual exposure, flash read, exposure compensation, exposure level, remaining frames Autofocus mark, in focus indicator, partial metering circle, manual, partial metering display (AE lock), shutter speed, aperture setting, depth-of-field AE, flash ready, and exposure compensation. Default viewfinder focus screens New Laser Matte New Laser Matte Viewfinder proximity sensor (turns off LCD when using viewfinder) FEC scale on side of image in viewfinder No No On-demand grid in optical viewfinder Interchangeable viewfinder focus screens 7 available from Canon See footnote at the end of this document. Depth of field preview Yes Dedicated button Shutter and mirror Canon EOS 1 Canon EOS RT Maximum shutter speed 1/8000 sec 1/2000 sec Minimum shutter speed 30 sec 30 sec Bulb mode Yes Yes Camera maximum aperture range (available aperture range is lens dependent) Shutter release lag time 8 ms Shutter life expectancy Mirror blackout time Fixed pellicle mirror No No Active mirror control No No Rotary magnet (low power) shutter No No Mirror lockup No Mirror prefire (sort of lockup) No No Self-timer Yes 10 sec, with flashing red light Continuous (multiple shot) self-timer Built-in intervalometer (interval timer) No No Intervalometer through external computer interface No No Film motor drive Canon EOS 1 Canon EOS RT Motor drive speed (frames per second) 2.5 fps 5 fps (3 fps in AI Servo) Framerate with booster Motor drive sound Loud Supports mid-roll rewind Yes Yes Custom function to leave the leader out on rewind Yes No Film winding type - standard or prewind Standard Standard Other film-related features Canon EOS 1 Canon EOS RT Interchangeable backs Two optional backs were made available - Quartz Date Back E (a simple time-printing clock) and the feature-packed Technical Back E, which supported all kinds of programmability, including an optional keyboard and interfaces to MSX and MS-DOS computers. Date-printing back No Fake panorama masking No Optional leader-out rewind Yes No Barcode reader for loading shooting modes No No Computer interface for recording shooting data No Using Technical Back E only Data printing on film leader (frame zero) No No Compatible with high-speed infrared film Yes Yes Body and controls Canon EOS 1 Canon EOS RT Rear (quick control) dial Yes No Customizable function (C) mode dial setting No No Lockable top-deck mode dial (press to turn) Rear cursor buttons No No Multi-controller joystick No No Multi-controller built into rear dial M.Fn button by shutter release button Film transport and metering controls operable by feel (lever position) No Power-on time Batteries One 2CR5 lithium One 2CR5 lithium Battery charger AC adapter Official shooting capacity per charge Battery increments in LCD Backup battery (for date/time, etc) Battery door Wired remote socket Canon-proprietary T3 type None (Canon-proprietary T3 type only available with optional GR-20 handgrip) Compatible wired remotes Canon Remote Switch RS-60T3 and Wireless Controller Set LC-3. Unlike the more widely supported N3 and E3 (2.5mm minijack) connectors, the T3 is something of an orphan connector type Canon Remote Switch RS-60T3 and Wireless Controller Set LC-3. Unlike the more widely supported N3 and E3 (2.5mm minijack) connectors, the T3 is something of an orphan connector type Compatible with RC-1, RC-5 wireless remotes No No Tripod socket aligned to centre line of lens mount Tripod socket material Backlit topdeck standard LCD No Standard LCD size and position Top deck Right side of top deck Secondary LCD Standard top-deck mode dial No Handgrip Power Drive Booster E1 GR-10 (Grip L; large), GR-20 (included T3 remote socket), GR-30 (same as GR-20 but without socket) Optional case Semi-hard case S (standard lenses), Semi-hard case L (long lenses), Semi-hard case LL (longer lenses) Custom functions Yes See footnote at the end of this document for full custom function list for this camera. Personal functions Canon EOS 1 Canon EOS RT
Interchangeable viewfinder screens available for the Canon EOS RT:
7 were available from Canon. Microprism collar, new split circle, new laser matte with AF frame, laser matte with grid, laser matte with scale, double cross-hair reticle, cross split image.
Custom functions for the Canon EOS RT:
1: Film rewind starts automatically at the end of the roll; doesnt start.
2: Film leader rewound inside cartridge; film leader stays out.
3: Film speed read by DX code; manual setting of film speed.
4: Autofocus starts when shutter button pressed halfway; AF starts when partial metering button pressed.
5: Manual mode: shutter speed set by M button or LCD light button and input dial, or aperture set by M button and light button, and electronic input dial; electronic dial only.
6: Camera shake warning on/off.
7: Manual focus adjustments for USM lenses when lens set to M; allow manual touchup to AF.
8: Metering: evaluative/centre-weighted averaging.
9: Flash sync: automatic/locked at 1/125 sec.
10: Continuous wind: normal/activate by pressing shutter release and light buttons.
11: Next exposure will fire without re-metering/requires re-metering to shoot again.
12: Continuous shooting: no limits/limited to 3 shots.
13: Reset required after multiple exposures/not required.
14: 8 ms "real-time" shutter lag/40ms shutter lag.
15: Reset all custom functions.
Canon EOS 1
User reviews from the PhotoNotes discussion forum are available.
Canon EOS RT
User reviews from the PhotoNotes discussion forum are available.
A note about names. The reason certain camera bodies may have multiple names is because Canon often use different model names for different regional markets. This usually applies only to consumer and some midrange products, and mainly to the USA and Japan. Whereas the international name is usually just a number or number/letter combination, the USA name will often be some cool or tough-sounding name such as Rebel. Canon Japan, on the other hand, typically use cute marketing names such as Kiss for their consumer products. Under certain rare circumstances there may be actual differences between the differently named products. For example, Japanese versions of the product may support wireless remotes whereas other versions may not.
In addition, note that date-back equipped versions of many film bodies are and were available, often with QD (quartz date) or DATE added to their product names. Japanese versions of consumer and midrange film cameras, however, almost always have date printing as a standard feature.
I generally organize the information by the European/Australasian name, since its usually a logical numeric system. Basically, the fewer the digits the more expensive the camera. Thus the 1000 cameras are consumer, the 100 cameras are advanced amateur, the 10, 5 and 3 cameras are semi-professional and the 1 cameras are professional. The terms consumer and professional arent judgement terms here - just Canons descriptions of the market segments to which the cameras are aimed.
This page was generated automatically from a comparison database. There is no guarantee that this information is entirely free from error, given the fact that the database is frankly pretty huge and was compiled entirely by hand. Please notify me using my feedback form if you notice any inaccuracies.
Information was derived from a number of sources, including Canon news releases, the Canon Camera Museum and various manufacturer-supplied product manuals.
This information is accurate to the best of my knowledge, but I cannot take responsibility for purchasing decisions you may make.
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