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Minolta updated the design several times during the course of production; the first two versions were symmetric designs which required the reflex mirror to be locked up, while the third version was a retrofocus design, followed by a cosmetic update in 1973.
248:
was introduced, it was advertised as "a product of much painstaking work and research by the company's technical staff", which Erhard
Bertele called "a mockery" in retrospect, declaring it " with seemingly insignificant small changes to the original
863:
has three floating elements in its front section that move about 2-mm when the lens is focused between infinity and 10 in. Probably the fastest lens of its focal length to date, this 21-mm
724:[Wednesday. Kyoto University's AL-2000 was on sale for a low price. About the W.ROKKOR-PI 21mm f4.5. I found a low serial number of the AiS 24mm f2 and bought it.].
1299:
271:
in response, as the -QH shares a similar 8-element, 4-group design as the Nikkor-O 2.1cm f/4 (1959). In 1964, the suggested retail price of the Rokkor-PI
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221:(1963), with slightly improved speed and similar symmetric construction. The third and final 21mm lens was the
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design that did not require the reflex mirror to be locked up, allowing use of the built-in viewfinder.
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779:. Minolta Corp. August 31, 1964 – via Pacific Rim Camera, Reference Library.
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796:. Minolta Corp. February 1968 – via Pacific Rim Camera, Reference Library.
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have led to speculation the latter was discontinued in favor of the Rokkor-QH
185:
964:"A guide to the Minolta SLR system of creative photography (SLR SYSX 603-H1)"
1456:
1011:
722:"水曜日。京大のAL-2000が安く出ていた。W.ROKKOR-PI 21mm f4.5について。AiS 24mm f2 初期シリアルを発見して買った"
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870:
has 12 elements, half of which are stated to be special rare-earth types.
424:
969:. Minolta Camera Co., Ltd. March 1976 – via Vintage Camera Digest.
208:(1962), which featured a symmetrical design similar to the contemporary
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282: (equivalent to $ 2,060 in 2023). By 1968, the successor Rokkor-QH
193:
54:
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1072:
660:
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952:. Amphoto – via Pacific Rim Camera, Reference Library.
293: (equivalent to $ 1,400 in 2023), with a dealer cost of
1022:
692:. vdf Hochschulverlag AG an der ETH Zürich. p. 88.
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919:"The Minolta SR System: Rokkor Interchangeable Lenses"
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design". The similarities in lens design between the
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932:– via Pacific Rim Camera, Reference Library.
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278:, with accessory viewfinder and leather case, was
314:lens (1977), which was more compact and lighter.
689:Ludwig J. Bertele: A Pioneer of Geometric Optics
986:"Minolta SR Lens Test: W.ROKKOR-PI 21mm 1:4.5"
1515:
1038:
8:
791:"Price List: Minolta Photographic Equipment"
33:
749:"NIKKOR - The Thousand and One Nights No.1"
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1031:
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39:
32:
1300:AF Apo Tele Zoom 70-200mm f/2.8 G (D) SSM
1012:"The Quest for the World's Ugliest Photo"
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1398:35mm rangefinder and viewfinder cameras
652:
204:. The first 21mm lens released was the
7:
1480:
1478:
997:Gandy, Stephen (November 25, 2003).
297: (equivalent to $ 840 in 2023).
999:"Minolta 21/4 SRT Lens for Leica M"
808:"Minolta MC W.Rokkor-NL 21mm F/2.8"
25:
1490:This camera-related article is a
1285:AF Apo Tele 300mm f/2.8 G (D) SSM
45:First (1962) version, W Rokkor-PI
1482:
890:. Modern Camera Guide. Amphoto.
832:Schwalberg, Bob (January 1961).
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1010:Bierner, Matt (June 26, 2016).
774:"Minolta Price Reference Guide"
641:List of Minolta SR-mount lenses
1295:AF Zoom 24-105mm f/3.5-4.5 (D)
720:keikato (September 14, 2022).
1:
27:Still-photography camera lens
1494:. You can help Knowledge by
1351:APS film and digital cameras
217:. This was succeeded by the
509:Minimum diaphragm (MD) tab
289:retailed at a lower price,
1562:
1477:
1367:Digital viewfinder cameras
1310:AF Zoom 75-300mm f/4.5-5.6
1164:21mm (f/4.5 · f/4 · f/2.8)
943:Cooper, Joseph D. (1972).
464:0.25 m (9.8 in)
461:0.9 m (35.4 in)
202:single lens reflex cameras
100:
85:
627:
624:
616:
614:166 g (5.9 oz)
603:67 mm (2.6 in)
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600:20 mm (0.8 in)
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592:75 mm (3.0 in)
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589:60 mm (2.4 in)
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225:(1971), which featured a
223:MC W Rokkor-NL 21mm f/2.8
38:
984:Lohmann, Dennis (2014).
686:Bertele, Erhard (2019).
617:510 g (18 oz)
611:170 g (6.0 oz)
472:Meter coupling (MC) tab
365:MC W Rokkor(-X) NL 21mm
1541:Minolta SR-mount lenses
946:Minolta System Handbook
834:"photokina '70: lenses"
661:"Minolta SR Lens Index"
1235:AF Fish-Eye 16mm f/2.8
206:W Rokkor-PI 21mm f/4.5
184:are a series of three
882:Wolf, John C (1979).
855:21-mm MC W-Rokkor-NL
34:Minolta W Rokkor 21mm
1305:AF Zoom 70-210mm f/4
1275:AF Macro 100mm f/2.8
356:MC W Rokkor NL 21mm
219:W Rokkor-QH 21mm f/4
182:W Rokkor 21mm lenses
1290:AF Reflex 500mm f/8
1270:AF Macro 50mm f/2.8
1169:Varisoft 85mm f/2.8
1154:Fish-Eye 16mm f/2.8
841:Popular Photography
326:
241:When the Rokkor-PI
174:W Rokkor 20mm f/2.8
35:
990:minolta.eazypix.de
665:minolta.eazypix.de
469:Metering features
317:
257:and the Rokkor-PI
233:Design and history
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1502:
1475:
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1319:16mm film cameras
886:The Minolta Guide
699:978-3-7281-3956-6
632:
631:
347:W Rokkor-QH 21mm
338:W Rokkor-PI 21mm
320:wide angle lenses
189:wide angle lenses
178:
177:
130:Integrated Flower
30:Photographic lens
16:(Redirected from
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1524:
1517:
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1479:
1467:List of products
1335:110 film cameras
1280:STF 135mm f/2.8
1083:SR-mount cameras
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667:. April 24, 2017
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80:Ultrasonic motor
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18:MC W.Rokkor-X NL
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1462:iISO flash shoe
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1415:Hi-Matic series
1393:
1379:DiMAGE 7 series
1362:
1358:Vectis S series
1346:
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1179:A-mount cameras
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1146:SR-mount lenses
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1121:XD (XD-7/XD-11)
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1016:MattBierner.com
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1003:cameraquest.com
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924:. Minolta. 1967
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163:Discontinuation
114:Filter diameter
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1068:Konica Minolta
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978:External links
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1265:AF 50mm f/1.7
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1261:
1260:AF 50mm f/1.4
1258:
1256:
1255:AF 35mm f/1.4
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1251:
1250:AF 28mm f/2.8
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1246:
1245:AF 24mm f/2.8
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1240:AF 20mm f/2.8
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1159:UW 18mm f/9.5
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897:0-8174-2453-9
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753:Nikon Imaging
750:
747:Sato, Haruo.
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728:(in Japanese)
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393:Construction
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318:Minolta 21mm
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136:Angle of view
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95:Macro capable
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1546:Camera stubs
1496:expanding it
1489:
1342:110 Zoom SLR
1163:
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1002:
989:
958:
945:
938:
926:. Retrieved
913:
901:. Retrieved
885:
877:
854:
852:
845:. Retrieved
843:. p. 84
840:
827:
815:. Retrieved
811:
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768:
756:. Retrieved
752:
742:
730:. Retrieved
725:
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703:. Retrieved
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669:. Retrieved
664:
655:
622:Filter (mm)
299:
254:
240:
236:
222:
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205:
192:
191:produced by
181:
179:
155:Introduction
66:Focal length
1131:X-500/X-570
1106:X-1 (XK/XM)
583:Dimensions
458:Min. focus
122:Accessories
1535:Categories
647:References
291:US$ 159.50
280:US$ 209.50
227:retrofocus
117:Integrated
1457:CxProcess
1389:Dimâge EX
1384:DiMAGE A1
1326:16 series
396:Elements
295:US$ 95.70
171:Successor
127:Lens hood
1374:DiMAGE 5
1101:SR-T 101
635:See also
425:Aperture
324:SR-mount
142:Diagonal
109:Physical
104: No
89: No
74:Features
1445:Related
1061:General
1054:Minolta
928:23 July
903:24 July
847:24 July
817:24 July
812:Lens-DB
758:25 July
732:25 July
726:今日を生きた証
705:24 July
671:23 July
608:Weight
597:Length
410:Groups
251:Bertele
194:Minolta
150:History
55:Minolta
1452:Rokkor
1217:RD-175
1073:Konica
894:
696:
586:Diam.
255:Biogon
214:Biogon
1202:7000i
1197:5000i
1136:X-700
967:(PDF)
950:(PDF)
922:(PDF)
837:(PDF)
794:(PDF)
777:(PDF)
388:1973
382:1963
376:Year
334:Spec
331:Model
210:Zeiss
186:prime
51:Maker
1492:stub
1436:AL-F
1420:TC-1
1192:9000
1187:7000
1126:XG-M
1111:XE-5
1096:SR-7
1091:SR-2
930:2024
905:2024
892:ISBN
868:/2.8
860:/2.8
853:The
849:2024
819:2024
760:2024
734:2024
707:2024
694:ISBN
673:2024
504:Yes
453:–16
451:/2.8
444:–16
442:/4.0
433:/4.5
385:1971
379:1962
370:/2.8
361:/2.8
352:/4.0
343:/4.5
322:for
312:/2.8
305:/2.8
276:/4.5
262:/4.5
246:/4.5
197:for
180:The
166:1977
158:1962
69:21mm
1410:CLE
1207:9xi
628:72
625:55
578:No
562:No
541:No
525:No
496:Yes
488:No
435:–16
405:12
145:92°
1537::
1405:35
1014:.
1001:.
988:.
851:.
839:.
810:.
751:.
663:.
570:No
554:No
533:No
517:No
480:No
419:9
416:4
402:8
287:/4
269:/4
1523:e
1516:t
1509:v
1498:.
1212:4
1046:e
1039:t
1032:v
1018:.
1005:.
992:.
907:.
866:f
858:f
821:.
762:.
736:.
709:.
675:.
449:f
440:f
431:f
413:5
399:9
368:f
359:f
350:f
341:f
310:f
303:f
285:f
274:f
267:f
260:f
244:f
20:)
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