User manual PENTAX FA, FA J, F LENSES

[. . . ] smc PENTAX-FA INTERCHANGEABLE LENS OPERATING MANUAL Thank you for purchasing the smc PENTAX lens. This operating manual applies to all of the smc PENTAX FA, FA J and F lenses. In this manual, smc PENTAX FA lens is referred to as FA lens. Please also read your camera's operating manual. [. . . ] With the combination of MZ-S camera, the zoom ring retracts to shortest length only. Note on Tulip mark ( ) The zoom lens provide with the tulip mark ( ) on the focusing ring that enable to take a picture at closest distance as a fixed focal length lens, even set at wide-angle position. However, at the edges of picture may be darkened due to reducing brightness of image field. When combined with non-KAF2-mount cameras, FA Zoom lens with power supply contacts does not work following functions. · As the Power Zoom function does not work, set the manual zoom mode. Pull the zoom ring towards the camera side until the words "POWER ZOOM" disappears to set the manual zoom mode. · The Auto Zoom switch and Zoom Set button do not work. 18 Using the manual zoom Pull the zoom ring back to use as manual zoom ring, the word "POWER ZOOM" disappears. POWER ZOOM 80 50 35 28 A 2216 11 8 5. 6 3. 5 Using the power zoom Push the zoom ring forward until the word "POWER ZOOM "appears on the ring, and move the zoom ring to right or left to change the focal length. 19 POWER ZOOM POWER ZOOM 80 80 65 28 80 80 65 28 A 22 16 11 8 5. 6 3. 5 A 2216 11 8 5. 6 3. 5 Manual aperture To set the aperture of the zoom lens manually, align the aperture-A index with the whitebar index. The dot on the left-hand side of the white-bar index serves as an index to align an f-stop other than "A" when shooting at a longer focal length. For example, when using the FA Zoom 28-80 mm lens and wishing to set the aperture to f/8 with the focal length at 80 mm, align "8" on the aperture ring with the dot on the left-hand side. 20 "A" (Auto) position To set the aperture to "A" (Auto), align the aperture-A index with the white-bar index, regardless of focal length selected. Infrared Index of the Zoom Lens When taking infrared photographs with the zoom lens, compensation in focus is necessary depending upon the focal length. The distance scale of the zoom lens has infrared indexes for each focal length. Compensate for the focus according to the focal length in use (see page 9. ). 28 -105 ft m 15 8 5 3 2 1. 6 5 3 2 1. 2 0. 7 0. 5 50 15 70 20 7 ft m 200 70 200 With lenses having indexes only for the longest and shortest focal length, such as FA Zoom 70-200mm, obtain the compensation value for intermediate focal length by using the scale as a guide. The red line on the lens barrel of the FA28105mm f/4-5. 6 (IF) is the infrared index line. Compensate for focus according to the focal length in use. · The following lenses have no infrared index line. FA Zoom 28-90mm f/3. 5-5. 6 FA Zoom 28-200mm f/3. 8-5. 6 21 MACRO LENS 22 FA Macro 50mm f/2. 8, FA Macro 100mm f/2. 8 and FA Macro 200mm f/4ED (IF) lenses adjust focus from infinity to life-size. FA Macro 100mm f/3. 5 lens adjust focus from infinity to 1/2x. Focus-range limiter FA Macro100mm f/2. 8 and FA Macro 200mm f/4ED (IF) lenses equipped with the focus-range limiter that control the focusing ranges to adjust Autofocus quickly. To set the focus-range limiter Turn the focus limiter to "LIMIT" with the focusing ring at infinity, the focusing range is set to long-distance range, and do the same with the focusing ring at minimum distance for short-distance range. Refer to chart for focusing range on page22. FULL AF LIMT FOCUS RANGE MF 23 · When the focus range-limiter is set to "MANUAL", you can adjust focus manually. · The focus range limiter may not turn where the focus range changes between long and short distances. · Using with the KAF2-mount cameras, manual focus will work with the focus-range limiter is set to MANUAL in autofocus mode. · FA Macro 200mm f/4ED (IF) lens has a focusing ring which provides autofocus and manual focus settings. Push the focusing ring forward or pull to change the focus mode from autofocus to manual. · With the KAF2-mount camera, when the focusing ring is set to MANUAL, the shutter cannot be released unless the focus indication appears in the view finder if camera is set to the autofocus mode (AF single mode). Focusing range Limiter set FA Macro 100mm f/2. 8 FA Macro 200mm f/4ED (IF) 24 Short-distance range 0. 306m(1x) - 0. 57m(1/4x) 0. 514m(1x) - 0. 7m(1/2x) Long-distance range Approx. 0. 6m - infinity Approx. 0. 7m - infinity Clamp Screw FA Macro 50mm f/2. 8 and 100mm f/2. 8 lenses are equipped with a clamp screw that is used when focusing manually. With manual close-up photography using the copy stand in any situation or with the lens pointing down , if you turn the clamp screw to the ON position, rotation of the focusing ring becomes tight. [. . . ] * 17 Vignetting will occur at focal lengths between 28mm-70mm. * 18 Vignetting will occur at focal lengths between 28mm-35mm and focus distance is less than 1m at 35mm. * 19 Vignetting will occur at focal lengths between 80mm-135mm. * 20 Vignetting will occur at focal lengths between 80mm-90mm. 40 * 21 Even the Lens warning is blinking with Z-1, Z-5 and Z10, built-in flash can be used if the focus distance is more than 0. 7m which is within distance of Minimum Auto flash distance. [. . . ]