I just bought a used Bronica SQ-Ai with an 80mm S lens. The batteries are new and light up the led. When I take a picture, however, the shutter does not fire at the selected speed--I guess it is firing at the default speed of 1/500th (although it seems slower). The led indicates the correct speed -- the light goes on after 4 econds, 1/4 sec, etc., but the shutter is not firing at the selected speed.
Is this a problem with the camera or the lens? Any fixes? I cleaned the contacts. Thanks
There could be a number of issues with this problem. Make sure the contacts at the rear of the lens and those on the body that connect with those on the lens are clean and straight. If so, the problem may be in the shutter within the lens. There is a magnet inside the shutter that sometimes becomes contaminated and fails to hold the shutter blades open for the selected shutter speed. The face of the magnet may need to be cleaned. There are also timing switches that sometimes go bad or need adjusting. These internal problems need to be taken care of by a competent technician since the lens needs to be completely disassembled. I have also seen these shutters go bad and need to be replaced. Let's hope that's not the problem because it will be difficult to get a new shutter for the lens--but not imposible. God luck.
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The lens does not have a shutter - that's in the camera body. The lens contains the aperture or f stop adjustment. It is done by injecting or retracting blades in the light stream of the lens barrel between the front and rear optics. Check the aperture blades to see if they move easily and open equally by varying the f-stop ring on the lens while looking through it. If not moving all the blades the same amount or it does not continue to restrict the opening as you increase the f-stop value, there's something wrong with the lens.
Are you sure you haven't accidentally activated any exposure compensation adjustment on the camera body?
Is there film loaded? Bronica cameras feature an interlock that will prevent the camera from fully firin when not loaded, when no back attached, or when the dark slide is in the back. Some models have a small flip-switch that doubles as a double-exposure switch on the side that can be used to dummy fire the camera to test fire it.
If that doesn't work, consult a tech. The electronic's in these cameras go bad qute often these days.
Hi, I have the same problem - my lever plastic become broken in 2 days after I'vet body from KEH. Seems that iron topof the lever can be screwed in counter clockwize direction and after new one lever installed it can be screwed back and fixed with rubber cap.
But question to you - where did you get the replacement?