Third Party Lens Talk

Welcome to the Third Party Lens Talk Forum, the place to discuss interchangeable lenses from manufacturers such as Sigma, Tokina, Tamron, Samyang and Zeiss. Please do not use this forum to discuss cameras.

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Who uses the Sigma 135mm f/1.8 DG HSM ART ? Who uses the Sigma 135mm f/1.8 DG HSM ART ? Contax Zeiss lens I bought off eBay has a slight haze on the inside. Should I be worried? Contax Zeiss lens I bought off eBay has a slight haze on the inside. Should I be worried?
Is there something wrong? Tamron 16-300mm F/3.5-6.3 Di II VC PZD Macro Is there something wrong? Tamron 16-300mm F/3.5-6.3 Di II VC PZD Macro Sigma 100-400 Nikon Mount Sigma 100-400 Nikon Mount
First results with my new Tamron 16-300 on my Canon 100D / SL1 First results with my new Tamron 16-300 on my Canon 100D / SL1 I just love my Sigma 135 f1.8 Art I just love my Sigma 135 f1.8 Art
Radioactive lens concern Radioactive lens concern The tamron 35mm F1.8 VC The tamron 35mm F1.8 VC
First day with the Sigma 100-400 C First day with the Sigma 100-400 C 18-400mm Tamron Factory Samples 18-400mm Tamron Factory Samples
tamron 15-30 2.8 tamron 15-30 2.8 Sigma 500/4 Birding Shots Sigma 500/4 Birding Shots
D500 + Tamron 150-600 G2 D500 + Tamron 150-600 G2 Tokina 11-20mm f-2.8 (at f-2.8) Tokina 11-20mm f-2.8 (at f-2.8)
Oshiro 60mm f/2.8 Super Macro review Oshiro 60mm f/2.8 Super Macro review But can it do video? But can it do video?
Just Getting Started:  Tamron 35 Just Getting Started: Tamron 35 Sigma 500 F4 sport in the field - Day 3 Sigma 500 F4 sport in the field - Day 3
Tamron 150-600 G2 sharpness problem. Tamron 150-600 G2 sharpness problem. Zeiss Biotar 58mm f2 vs Helios 44-2 58mm f2
Critique requested
Zeiss Biotar 58mm f2 vs Helios 44-2 58mm f2
ZEISS Batis 85mm: Absoutely stunning image quality and sharpness ZEISS Batis 85mm: Absoutely stunning image quality and sharpness [Noob Review] Don't be fooled by the off-brand name, it's sharp and well-made. [Noob Review] Don't be fooled by the off-brand name, it's sharp and well-made.
Tamron 150-600mm G1, I think I have a good copy. Tamron 150-600mm G1, I think I have a good copy. Sigma 500 f4 Sigma 500 f4
Would you buy a tamron 24-70mm with a small chip in front element? Would you buy a tamron 24-70mm with a small chip in front element? New Tamron 90mm (017) is wonderful lens New Tamron 90mm (017) is wonderful lens
Action Shots with new Sigma 135 all at 1.8 Action Shots with new Sigma 135 all at 1.8 Chipping Sparrow with my Sigma 150-600 C Lens
Critique requested
Chipping Sparrow with my Sigma 150-600 C Lens
Sigma 100-400mm F5-6.3 DG OS HSM C Sigma 100-400mm F5-6.3 DG OS HSM C Sharpness of my Samyang 14mm f/2.8 on 5D4 Sharpness of my Samyang 14mm f/2.8 on 5D4
Color scheme? Blue / Yellow