2013年10月1日 星期二

關於 IR Hot Spot


IR Hot Spot 是IR 鏡頭選用的首要考量。
IR Hot Spot 區域色調異常、不均,通常也伴隨著畫面的灰霧感。

以下摘自網路資料:



Good Performers
Asahi 55 mm f/1.8 Super-Takumar SMC
Coastal Optics 105 UV-VIS-IR APO
Coastal Optics 60mm UV-VIS-IR APO
Fujifilm XF 18mm F2.0 (hotspot starting at f8)
Fujifilm XF 35mm F1.4
"Fujifilm XF 55-200mm F3.5-4.8 R LM OIS
(none wide open, small hotspot at F11, bad hotspot at F22)"
Lensbaby 0.6X Wide Angle/Macro Conversion Lens
Lensbaby 50mm f/2.8
Lensbaby II
Minolta 28-85mm f/3.5-4.5
Minolta A 35mm f/2
Minolta Rokkor MC 35mm
MTO 500mm f/8
Peleng 8 mm f/3.5 Fisheye
Pentax 55mm f/1.8 MF
Pentax A 35mm f/2 AL
Pentax A 50mm f/1.4 MF
Pentax A 50mmf/1.7
Pentax DA 35mm f/2.8 Macro Limited
Pentax DA 55-300mm f/4-5.8 ED
Pentax FA* 85mm f/1.4
Pentax M 20mm f/4
Pentax SMC DA 17-70mm f/4
Pentax SMC DA 18-250mm f/3.5-6.3
Pentax SMC DA 18-55mm f/3.5-5.6
Pentax SMC DA 18-55mm f/3.5-5.6 II
Pentax SMC DA 18-55mm f/3.5-5.6 WR
Pentax SMC DA* 60-250mm f/4 ED [IF]
Pentax SMC P DA 70mm f/2.4
Pentax SMC-DA 14mm f/2.8 ED [IF]
Pentax SMC-DA 15mm f/4 ED AL Limited
Pentax SMC-DA 21mm f/3.2 Limited
Pentax SMC-DA 50-200mm f/4-5.6 ED
Pentax SMC-DA 50-200mm f/4-5.6 ED WR
Pentax SMC-DA* 300mm f/4.0
Pentax SMC-FA 135mm f/2.8 [IF]
Pentax SMC-FA 20-35mm f/4 AL
Pentax SMC-FA 28-200mm f/3.8-5.6
Pentax SMC-FA 28-70mm f/4
Pentax SMC-FA 28mm f/2.8 AL
Pentax SMC-FA 31mm f/1.8 Limited
Pentax SMC-FA 43 mm f/1.9 Limited
Pentax SMC-FA 77mm f/1.8 limited
Pentax SMC-FA* 300mm f/4.5 ED [IF]
Pentax SMCP-A 50mm f/2
Pentax SMCP-DAL 55-300mm f/4-5.8 ED
Pentax SMCP-FA 50mm f/1.4 Lens
Pentax SMCP-FA 50mm f/1.7 Lens
Quantaray 18-200mm f/3.5-6.3 OS DI
Rokinon (Samyang, Bower, ProOptic) 35mm f1.4
Samsung NX 18-55mm f/3.5-5.6
Samsung NX 20-50mm f/3.5-5.6
Samyang 14mm f/2.8 IF ED UMC*
Samyang 8mm f/3.5 Fisheye
Soligor 21mm f/3.8
Sony 18-55mm f/3.5-5.6 SAM SAL1855
Sony 18-70mm f/3.5-5.6 DT*
Sony E 16-50mm f3.5-5.6* (Strong hotspot at F8+)
Sony E 16mm f/2.8* SEL16F28 (hotspot starting at F5.6)
Sony E 18-55mm F3.5-5.6 OSS SEL1855 * (mild hotspot starting at F7)
Sony E Zeiss T* 24mm F1.8 ZA
Tamron 10-24mm f/3.5-4.5 DI II
Tamron 18-250mm F/3.5-6.3 Di-II LD AF
Tamron 24mm f/2.5
Tamron 28-80mm f/3.5-5.6
Tamron 500mm f/8 SP Macro
Tamron SP 90mm f/2.8 AF 72E*
Tokina 10-17mm f/3.5-4.5 Fisheye Zoom
Tokina 11-16mm f/2.8 AT-X Pro IF SD DX *
Tokina 17mm f/3.5 RMC
Tokina 20-35mm f/3.5*
Tokina 28-200mm f/3.5-5.3 SZ-X*
Tokina AF 28-70mm f/2.8-2.6 AT-X Pro II
Tokina AT-X 287 PRO SV AF 28-70mm f/2.8*
Vivitar 24mm f/2.8 MF
Voigtlander 40mm f/1.4
Voigtlander Heliar 75mm f/1.8
Voigtlander Ultra Wide-Heliar 12mm f/5.6
Voigtländer Ultron 40mm f/2 SLII
Zeiss 100mm f/2 Makro-Planar
Zeiss 25mm f/2.8 (Contax)
Zeiss 25mm f/2.8 Distagon T* ZF
Zeiss 25mm f2.8 Distagon ZF-IR
Zeiss 50mm f/1.4 IR
Zeiss 50mm f/1.4 T* Planar (Contax)
Zeiss 50mm f/2.0 Makro-Planar ZE
Zeiss 50mm f1.4 Planar ZF-IR Lens
Zeiss Jena 35mm f/2.4 Flektogon


Poor Performers
Fujifilm XF 18-55mm F2.8-4.0
Fujifilm XF 60mm F2.4 Macro
Pentax DA 12-24mm f/4 ED AL (IF)
Pentax FA-J 28-105 mm
Pentax SMC DA* 50-135mm f/2.8 ED IF
Pentax SMC DA* 55mm f/1.4 SDM
Pentax SMC-DA 16-45mm f/4 ED AL
Pentax SMC-FA 100mm f/2.8 macro
Pentax SMCP-D FA 50mm f/2.8 Macro
Pentax SMCP-FA 50mm f/2.8 Macro
Poor Performers
Tamron 17-35mm f/2.8-4 SP AF Di LD IF
Tamron 17-50mm f/2.8 SP AF XR Di-II LD IF
Tamron 18-200mm f/3.5-5.6 AF XR Di-II Macro
Tamron 18-50mm f2.8
Tamron 19-35mm f/3.5-4.5
Tamron 28-105MM F/2.8 AF LD
Tamron 28-300 mm f/3.5-6.3 AF XR Di LD Macro *
Tamron 28-75mm f/2.8 AF XR Di LD
Tamron 28-75mm f/2.8 XR Di LD*
Tamron 70-300mm f/4.0-5.6 AF LD Macro
Tamron 70-300mm f/4-5.6 AF Di LD Macro
Tamron 90mm f/2.8 Macro (hotspot at f8 and smaller)
Tamron Adaptall-2 24mm f/2.5
Tamron SP AF 24-135mm f/3.5-5.6 AD Macro
Tokina 11-16mm f/2.8 AT-X Pro IF SD DX II* (starts at f5.6)
Tokina 12-24 mm f/4 AT-X Pro DX
Tokina 12-24 mm f/4 AT-X Pro DX II
Voigtländer 125 mm f/2.5 APO-Lanthar
Voigtländer Ultron 40mm f/2 SLII
Zeiss 100mm f/2 ZK
Zeiss 18mm f/3.5 ZE Distagon T*
Zeiss 21mm f/2.8 Distagon T* ZE
Zeiss 25mm f/2.8 Distagon T* ZF
Zeiss 35mm f/2 Distagon ZE
Zeiss 50mm f/1.4 Planar T* (Contax)
Zeiss 50mm f/1.4 ZE Planar T*
Zeiss 85mm f/1.4 Planar T* ZE
Zeiss 85mm f/2.8 (contax)

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