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The Canon T-90 System |
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Modern
Classic SLRs Series : |
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The Canon T-90 System |
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Modern
Classic SLRs Series : |
The Canon T-90 was the last model that uses FD-mount prior to the shift to the autofocus EF EOS system. It hardly lasted a year since its inception but what an impact it has created on the design of future SLR. Every inch a classic, despite after more than 15 years, this camera is still hard to replicate even by today's standard. It was also widely acclaimed as one of the true Classic camera of modern times. Here comes a common Message Board designed specifically for Canon T90 SLR model - this is especially useful when you realize ALL Canon FD mount SLRs have long been discontinued you may require a public forum for common support and sharing mutual knowledge or experience among many of you. This Site has proved to be quite popular and I am quite happy to see these effort was not wasted and special thanks to ALL the volunteered Site Maintainers of this Message Board. Enjoy.
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1. From : Irwin (bzoo@hotmail.com)
Url : http://
Date : 03:57 PM Wednesday 02 May, 2001
Jeff, Jeff, glad you noticed. "Foreign soil" sounds so- like what's the word -parochial.You know I just read that the highest building structure in the world some office in Kuala Lumpur... So much for the skyscrapers of Old Manhattan, the Bronx and Staten. We all thank PIM for this site dedicated to a wonderful camera that hit the shelves at a turning point in camera history (autofocus) but got a Lazarus number by so many smart people who don't rush to buy just because the ads say Buy. Keep coming back. (We also give stock tips once in a while and recipes for home made Kosher chili) Yours truly, Irwin Schmedrick,Seltzer Springs, NY
2. From : jeffrey MT (dellyord@excite.com)
Url : http://
Date : 03:57 PM Wednesday 02 May, 2001
WOW !!! This site is most impressive. I cannot imagine there are SO MANY CANON users crowded at the same place here in a foreign soil. Just want to tell you this, that I'd really LOVE this Message Board and I have picked up tons of useful guides since founded this place. Thank you all who have helped for conditioning this site in such a good state. Yours, Jeff.3. From : D Ferro (fdd@rochester.rr.com)
Url : http://
Date : 03:56 PM Wednesday 02 May, 2001
To Erasmus; Thanks for your clear answer to the shutter vs strobe question. Also, just as a point of interest, while I attended the Rochester Institute of Technology Photo program, we had several visits by "Doc" Edgerton. He is one of the coolest "gadget freaks" you would ever want to meet, and a really down to earth normal sort of guy, considering he invented the strobe, side scanning sonar, and other useful items. Thanks for giving credit where it is due. D Ferro Fairport, NY4. From : Erasmus (africanqueen@hotmail.com)
Url : http://
Date : 03:56 PM Wednesday 02 May, 2001
Fill flash is designed to balance the ambient light with the flash exposure. Both are based on inputs from the camera, namely ISO, distance to subject, flash output and duration and reflection of the subject. So the problem is how do we separate the two and make them independent. With a totally manual system one sets the shutter and aperture to the ambient light. And with a totally manual flash, one computes the amount of light to give an output somewhat less than the ambient f stop (only factor that counts to electronic flash) With the T90 and300TL or for that matter the 420, 540 Speedlites I dont think there is any way to really do it except perhaps moving the flash head a little shorter. If there were a workaround would not Canon have told us in all the bloomin dead tree literature they published. Easy answer: Buy an EOS camera. Heretic, heretic. I do hope I can start another war on this topic gents. Yours truly, Erasmus B. Black, c/o African Queen Time Shares Ltd5. From : Michael Thomas (thomas@mail.sub.uni-goettingen.de)
Url : http://
Date : 03:55 PM Wednesday 02 May, 2001
Richard (Sun Feb 25 05:23:00 2001), your method of fill-in flash picture-taking works because the camera works like that. It calculates the exposure based on ISO setting plus exposure compensation setting, but to the flash unit it sends only the ISO setting. The flash's light emittance is therefore based only on that information. Presumably that is the method all camera manufacturers have agreed on. But if a camera were to send (the sum of)ISO setting and exposure compensation to the flash, your method would not work. Maybe it is best to test each camera.6. From : Erasmus (africanqueen@hotmail.com)
Url : http://
Date : 03:55 PM Wednesday 02 May, 2001
David, I have never used a MacroLite, but it seems logical to me that when you set the camera on aperture priority and turn the flash on, you are telling the camera to balance the flash to the ambient exposure essentially. Hey, I could be wrong, what does anyone know about Canon Speedlites. When you set to a small exposure (you are trying to squeeze maximum DOF out of that closeup shot) it stands to reason the ambient light is going to give you a long 4 second exposure. But you are naturally going to use a tripod,so who gives a toot! Folks who handhold macro shots are not allowed to post on this forum-no joost a kidding, hah hah. Now you got several choices. Use 1) a manual setting and let TTL work for you. Use shutter priority and set it at maybe 1/60 if a second. Or 3) put some more ambient light on that flower so you dont get that slow shutter speed. I mean do you really LOVE black backgrounds, know what I mean? Try this book too: Canon Speedlite Gfuides, Silver Pixel Press. Incidentally, the specs on that ML 3 is 1.5 millisecond or less. You heard correctly. Try it. And use a tripod. Or a monopod. Even for focusing, you are in the soup when you handhold. Trust Erasmus B.Black, c/o African Queen Retirement Villas,Ltd, Orkney Islands, UK7. From : Dave Cole (dcole@ieway.com)
Url : http://
Date : 03:54 PM Wednesday 02 May, 2001
I have a question about using the T90 with an ML-3 macro ring lite. I recently purchased both and the first time I tried to use them together the camera did something I didn't understand. Hope some one can help me out. While using an FD 100 Macro Canon lens set on 'A', with the camera set in aperture-priority mode (f32) the camera set exposure time at 4 seconds. This obviously represented the exposure based on ambient light, as if there were no flash. I realize the ML-3 automatically adjusts the length of the flash for proper exposure. My concern is that the shutter speed is so slow, when a must faster speed like 1/60 should work fine. Why doesn't the camera set a quicker shutter speed so I don't have to worry about trying to hand hold the camera for a 4 second exposure? Should I quit worrying because the only significant exposure that will take place is during the relatively brief flash period, making the exact shutter speed irrelevant??? Thanks for any help your could provide.8. From : Jack (jgorfien@worldnet.att.net)
Url : http://
Date : 03:53 PM Wednesday 02 May, 2001
I recently purchased a Canon FD breechlock 500mm mirror lens. Does anyone know of a source for drop in filters for this lens? It came with the UV +1. I was considering using a screw in filter. Any comments on these? I am not sure of the filter ring size... I think it's 82mm. Thanks9. From : Erasmus B. Black (africanqueen@hotmail.com)
Url : http://
Date : 03:53 PM Wednesday 02 May, 2001
Well George, think of Edgarton and the strobe light. A strobe is a really fast discharge of light. How fast? Really fast. So the rule of thumb that you are thinking of to eliminate the effect of camera shake ( reciprocal of the lens focal length is the recommended handheld speed business, huh?) doesn't limit you when you take flash pictures with the 300TL. Many times when you shoot something closer than say 10 feet, with a medium aperture of f 5.6, the light has to quench itself really fast to make the TTL exposure come out right. So if the shutter is open for 1/90, but the flash is only on for maybe 1/1000 of a second, then what is the real handheld speed. Don't quote me, cause I am not an expert, but it sure is faster than 1/90. Hey thass why they call them SPEEDLITES. Never apologize for your ignorance of flash basics, George. But reflect on my encouragement. You are not limited to 100 mm. No, no,no. But you may be limited because of the beam coverage of the 300TL, which is another story. But even that isn't a limit, its a challenge and they is workarounds.. But if you want to use a 300 mm lens with flash, well, I think you may want to get a more high tech and more powerful unit. That is my opinion. 1/250 for the Canon Speedlites, maybe 1/90 for some others I remember, is just the max synch speed is what I meant to say. Synch speed is the fastest you can move that vertical shutter blades and still have the shutter open all the way at the peak of the flash (so you dont cut off the light too soon) is the best way I can summarize. Your question is a good refresher. Get a book on flash, like the Canon T90 manual by Hove Press ( still available from Amazoncom.uk,i do believe, BTW)or any text on small flashguns. Hope this illuminates (pun) your query..Yours truly, Erasmus B. Black10. From : George waller (georgewaller@lineone.net)PAGE | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 208 | 209 | 210 | 211 | 212 | 213
Url : http://
Date : 03:28 PM Wednesday 02 May, 2001
T90 + 300TL flash... simple (possibly stupid question) for simple answer? regards using flash and zoom/telephoto lenses.... is 90th sec shutter always going to be my limit and therefore handheld zoom flash photography beyond 100mm is a no-no?
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