Sears Auto 90-230mm F/4.5

Telephoto zoom lens • Film era • Discontinued

Sears Auto 90-230mm F/4.5
  • Announced:
  • · No data
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · AUTO SEARS TELE-ZOOM 90~230mm 1:4.5
  • Class:
  • · Slow full-frame telephoto zoom lens

Specification

Optical design:
35mm full frame
90mm - 230mm [2.6X zoom ratio]
F/4.5 across the focal length range
11 elements in 8 groups
M42 [45.5mm]
27° @ 90mm - 10.7° @ 230mm (35mm full frame)
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
<No data>
Zooming:
Zoom mechanism:
Manual
Zoom control:
Zoom ring
Zoom type:
Rotary
Zooming method:
<No data>
Focusing:
1.50m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
<No data>
<No data>
Accessories:
Screw-type 58mm
Built-in telescopic round
<No data>

Source of data

  • Manufacturer's technical data.

From the editor

In its brochure, Sears states that the lens consists of 11 elements in 8 groups, but judging by the image of the optical formula, it looks more like 11 elements in 7 groups.

If you compare the optical formulas, it becomes clear that the Auto Sears 90-230/4.5 is definitely related to the following lenses:

It is quite possible that both the Auto Sears and Auto Mamiya/Sekor versions were also produced by Tokina. It is very likely that Tokina, being an original design manufacturer (ODM), deliberately slightly varied the specification of the base model when producing it for different distributors. (Or it is simply a matter of improving the specification of the base model over time)

Lenses with similar focal length range

■M42 mount (25)
Asahi Super-Multi-Coated Takumar-Zoom 85-210mm F/4.5 [43772] • Push/pullA11 - 103.50m⌀58 1971 ●
Chinar 80-205mm F/4.5 [M.C] Macro • Push/pullA13 - 91.30m⌀52 ●
Chinon 80-250mm F/3.8-4.5 Multi CoatedA13 - 121.50m⌀62 ●
Chinon 85-210mm F/4.5 Multi Coated MacroA12 - 102.00m⌀55 ●
Chinon 85-210mm F/4.5 Multi Coated
akaAuto-Alpa 85-210mm F/4.5 Multi-Coated		A12 - 102.00m⌀55 ●
Enna Munchen Tele-Zoom 85-250mm F/4P12 - 80.60m 1961 ●
Hanimex Auto Tele-Zoom 90-230mm F/4.5A11 - ?2.50m⌀58 ●
Mamiya/Sekor SX Auto 90-230mm F/4.5 [I]A11 - 81.50m⌀58 1974 ●
Mamiya/Sekor SX Auto 90-230mm F/4.5 [II]A12 - 92.00m⌀62 ●
Panagor Auto Tele 85-205mm F/3.8 Type 1A13 - 92.00m⌀58 ●
Panagor Auto Tele 85-205mm F/3.8 Type 2A13 - 92.00m⌀58 ●
Komuranon 80-210mm F/4.5 K·M·C • Push/pullA12 - 81.90m⌀62 1975 ●
Soligor C/D 85-205mm F/3.8 MC Macro (s/n 3xxxxxx) • Push/pullA12 - 92.50m⌀62 1981 ●
Soligor 85-205mm F/3.8 (s/n 3xxxxxx)A12 - ?1.70m⌀62 ●
Soligor 85-205mm F/3.8 Macro (s/n 1xxxxxx)A13 - 92.50m⌀58 ●
Soligor 85-205mm F/3.8 (s/n 7xxxxxx)A? - ?2.50m⌀58 ●
Spiratone 80-205mm F/3.9 PluracoatA12 - 92.00m⌀58 ●
Sun Auto Tele-Zoom 85-210mm F/4.8A13 - 82.50m⌀55 ●
Tamron-F 85-210mm F/4.5A12 - 101.79m⌀55 ●
Tamron Auto 80-250mm F/3.8A14 - 92.00m⌀72 1967 ●
Tokina 90-230mm F/4.5 RMCA12 - 92.00m⌀62 ●
Vivitar Auto 85-205mm F/3.8 Macro / Close Focusing (s/n 22xxxxxx)A13 - 92.00m⌀58 1975 ●
Vivitar Auto [Tele-]Zoom 85-205mm F/3.8 (s/n 22xxxxxx)A13 - 92.00m⌀58 1969 ●
Vivitar Auto Tele Zoom 85-205mm F/3.8 "Bright Band" (s/n 22xxxxxx)A13 - 92.00m⌀58 1968 ●
Vivitar Auto Tele Zoom 85-205mm F/3.8 "Chrome Nose"A13 - 92.00m⌀58 1966 ●
■Interchangeable mount (26)
Hanimex Tele-Zoom 90-230mm F/4.5 [T]P11 - ?2.50m⌀58 ●
Panagor Tele 85-205mm F/3.8 [T]P13 - 92.00m⌀58 ●
Polaris Auto 80-210mm F/3.5 [YS]A17 - 102.00m⌀67 ●
Sankyo Kohki Super-Komura 90-250mm F/4.5 [Unidapter Auto]A13 - ?2.00m⌀67 ●
Komuranon 90-250mm F/4.5 K·M·C [Unidapter Auto]A12 - 92.00m⌀62 1980 ●
Schneider-Kreuznach Tele-Variogon 80-240mm F/4 AutoA14 - 91.80m⌀82 1966 ●
Schneider-Kreuznach Tele-Variogon 80-240mm F/4 PresetP14 - 91.80m⌀82 1963 ●
Soligor Auto Zoom 90-230mm F/4.5 (s/n 1xxxxxxx) [T-4]A11 - 72.50m⌀58 ●
Tamron 80-210mm F/3.8-4 MC CF Tele Macro 03A [Adaptall-2] • Push/pullA12 - 100.90m⌀58 1979 ●
Tamron 80-210mm F/3.8-4 MC CF Tele Macro 103A [Adaptall-2] • Push/pullA13 - 100.90m⌀58 1981 ●
Tamron 80-250mm F/3.8 Z-250 [Adaptall]A? - ?2.00m 1973 ●
Tamron 80-250mm F/3.8-4.5 CZ-825 [Adaptall]A13 - 101.50m⌀62 1976 ●
Tamron 80-250mm F/3.8-4.5 QZ-250M [Adaptall]A13 - 101.50m⌀62 1978 ●
Tamron 85-210mm F/4.5 Z-210 [Adaptall]A12 - 91.79m⌀55 1973 ●
Tamron 85-210mm F/4.5 CZ-210M [Adaptall]A12 - 92.00m⌀55 1976 ●
Tamron 85-210mm F/4.5 QZ-210M [Adaptall]A12 - 92.00m⌀55 1978 ●
Tamron Auto 80-250mm F/3.8 [Adapt-A-Matic]A14 - 92.00m⌀72 1972 ●
Tamron Auto 85-205mm F/3.5 [Adapt-A-Matic]A14 - 122.00m⌀62 1972 ●
Tamron 95-205mm F/5.6 [T] • Push/pullP9 - 72.00m⌀58 1965 ●
Tamron 95-205mm F/6.3 [T] • Push/pull
akaAstronar 95-205mm F/6.3		P7 - 66 ft. 1961 ●
Tamron 95-250mm F/5.6 [T] • Push/pullP9 - 72.50m⌀62 1965 ●
Vivitar Tele Zoom 85-205mm F/3.8 (s/n 22xxxxxx) [T]P13 - 92.00m⌀58 1968 ●
Vivitar Tele Zoom 85-205mm F/3.8 [T]P13 - 92.00m⌀58 1966 ●
Vivitar Auto Tele Zoom 90-230mm F/4.5 (s/n 37xxxxxx) [T-4]A11 - 72.50m⌀58 1969 ●
Vivitar Auto 90-230mm F/4.5 Type 1 (s/n 37xxxxxx) [TX]A11 - 71.50m⌀58 1976 ●
Vivitar Auto 90-230mm F/4.5 Close Focusing Type 2 (s/n 37xxxxxx) [TX]A12 - 92.00m⌀62 1980 ●

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