Ricoh XR Rikenon 24mm F/2.8

Wide-angle prime lens • Film era • Discontinued

Ricoh XR Rikenon 24mm F/2.8
  • Announced:
  • · 1982
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · RICOH XR RIKENON 1:2.8 24mm
  • Class:
  • · Fast full-frame wide-angle prime lens
  • System:
  • · Ricoh K (1977)

Specification

Optical design:
35mm full frame
24mm
F/2.8
7 elements in 7 groups
Pentax K [45.5mm]
84° (35mm full frame)
On Pentax K APS-C [1.53x] cameras:
35mm equivalent focal length:
36.7mm (in terms of field of view)
35mm equivalent speed:
F/4.3 (in terms of depth of field)
Diagonal angle of view:
61°
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
6 (six)
Focusing:
0.18m
1:4
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
210g
⌀64×39mm
Accessories:
Screw-type 52mm
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Sources of data

  • Ricoh cameras booklet.
  • Ricoh SLR systems booklet.

Manufacturer description

With its excellent perspective, optimum size and weight, photographers are more and more finding this the ideal wide-angle lens.

From the editor

Same lens as the Sigma 24/2.8.

Other wide-angle prime lenses in the Ricoh K system

■Pentax K mount (5)
Ricoh XR Rikenon 28mm F/3.5 Aspheric • Pancake lensA5 - 40.35m⌀52 ●
Ricoh XR Rikenon 28mm F/3.5A6 - 60.30m⌀52 1977 ●
Ricoh XR Rikenon 28mm F/2.8A7 - 70.30m⌀52 1980 ●
Ricoh XR Rikenon 35mm F/2.8 [I]A6 - 60.30m⌀52 1977 ●
Ricoh XR Rikenon 35mm F/2.8 [II]A6 - 60.35m⌀52 1980 ●

Lenses with similar focal length

■Pentax K mount (22)
Cosina 24mm F/2.8 MC Macro
akaCarl Zeiss Jena II 24mm F/2.8 MC Macro
akaPhoenix 24mm F/2.8 Macro		A7 - 70.19m⌀52 ●
Cosina Cosinon-W 24mm F/2.8 MCA7 - 70.25m⌀49 1981 ●
Irix 21mm F/1.4 SLRA15 - 110.30m-- 2022 ●
Kino Precision Kiron 24mm F/2 MCA8 - 80.30m⌀55 1980 ●
Panagor Auto Wide Angle 21mm F/4A9 - 70.16m⌀82 ●
Panagor Auto Wide-Angle 24mm F/2.5 PMCA? - ?0.30m⌀55 ●
smc Pentax-A 24mm F/2.8A9 - 80.25m⌀52 1983 ●
smc Pentax 24mm F/2.8A9 - 80.25m⌀52 1977 ●
smc Pentax 24mm F/3.5A9 - 80.25m⌀58 1975 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-Coated IIA8 - 70.18m⌀52 1988 ●
Sigma MF Super-Wide 24mm F/2.8 Multi-CoatedA7 - 70.18m⌀52 1981 ●
Sigma[-XQ] MF 24mm F/2.8 Filtermatic Multi-CoatedA10 - 80.25m⌀62 1978 ●
Sigma-Z MF 24mm F/2.8 [Multi-Coated]A10 - 80.25m⌀62 1975 ●
Soligor G/S Wide-Auto 24mm F/2.5 MC (s/n 3xxxxxx)A9 - 70.30m⌀55 ●
Tokina SL 24mm F/2.8 [II]A7 - 70.19m⌀52 ●
Tokina 24mm F/2.8 RMC
akaTokina SL 24mm F/2.8 [I]		A8 - 80.27m⌀52 ●
Vivitar [Auto] Wide-Angle 24mm F/2 [MC] Compact (s/n 22xxxxxx)A8 - 80.30m⌀55 1978 ●
Vivitar Wide Angle 24mm F/2.8 MC (s/n 9xxxxxxx)A7 - 70.19m⌀52 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx)A8 - 70.25m⌀58 1976 ●
Vivitar Wide Angle 24mm F/2 MC Compact (s/n 28xxxxxx)A8 - 80.30m⌀52 ●
Carl Zeiss Classic Distagon T* 21mm F/2.8 ZE / ZF / ZF.2 / ZKA16 - 130.22mE82 2008 ●
Carl Zeiss Classic Distagon T* 25mm F/2.8 ZF / ZF.2 / ZK / ZSA10 - 80.17mE58 2006 ●
■Interchangeable mount (13)
Sankyo Kohki W-Komura 24mm F/3.5 [Unidapter Auto]A7 - ?0.26m⌀52 ●
Komuranon 24mm F/2.5 K·M·CA11 - 80.26m⌀58 1974 ●
Sigma[-XQ] MF [Wide] 24mm F/2.8 Filtermatic [Multi-Coated] [YS]A10 - 80.20m⌀62 1972 ●
Soligor Wide-Auto 21mm F/3.8 (s/n 1xxxxxx) [T-4]A9 - 80.35m⌀72 1970 ●
Soligor Wide-Auto 24mm F/2.8 (s/n 1xxxxxxx) [T-4]A8 - 70.30m⌀67 ●
Tamron 24mm F/2.5 MC 01B [Adaptall-2]A10 - 90.25m⌀55 1979 ●
Tamron 24mm F/2.5 01BB [Adaptall-2]A10 - 90.25m⌀55 1987 ●
Tamron 24mm F/2.5 CW-24 [Adaptall]A10 - 90.25m⌀55 1976 ●
Tamron Auto 21mm F/4.5 [Adapt-A-Matic]A8 - 60.25m⌀82 1970 ●
Tamron Auto 24mm F/3.5 [Adapt-A-Matic]A8 - 60.25m⌀72 1971 ●
Vivitar Auto Wide-Angle 21mm F/3.8 (s/n 37xxxxxxx) [T-4]A9 - 80.35m⌀72 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxx) [T-4]A8 - 70.30m⌀67 ●
Vivitar Auto Wide-Angle 24mm F/2.8 (s/n 37xxxxxx) [TX]A8 - 70.23m⌀58 1976 ●

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