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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Is this an issue with my Tamron 16-300 lens? Is this an issue with my Tamron 16-300 lens? Sigma 150-600S Moonshot Sigma 150-600S Moonshot
Sigma 100-400mm moon shot (Nikon D500) Sigma 100-400mm moon shot (Nikon D500) Works well with 6500 Works well with 6500
Sigma 100-400mm - love it. Picture heavy thread Sigma 100-400mm - love it. Picture heavy thread Opteka 15mm f/4 LD UNC AL 1:1 Macro Wide Angle Lens (Canon EF Mount) Opteka 15mm f/4 LD UNC AL 1:1 Macro Wide Angle Lens (Canon EF Mount)
Lens Review: Sigma 400mm F/5.6 (pics) Lens Review: Sigma 400mm F/5.6 (pics) $270 Bargain $270 Bargain
Sigma 105/2.8 EX DG OS HSM macro, a nice bird lens! Sigma 105/2.8 EX DG OS HSM macro, a nice bird lens! Tamron 150-600mm G1 + Sigma 1.4x teleconverter Tamron 150-600mm G1 + Sigma 1.4x teleconverter
Venus Laowa 7.5mm F2, MFT (with real world images) Venus Laowa 7.5mm F2, MFT (with real world images) Sigma 16mm 1.4: Infinity focus test - Don't use AF-S with this lens at all !!! Sigma 16mm 1.4: Infinity focus test - Don't use AF-S with this lens at all !!!
Tamron Lens Tiny Dots on the Inside of Glass? Tamron Lens Tiny Dots on the Inside of Glass? Great lens, excellent value Great lens, excellent value
AF Fine Tuning wide aperture lenses AF Fine Tuning wide aperture lenses 7artisans 35mm F1.2 lens review (FX mount) 7artisans 35mm F1.2 lens review (FX mount)
Some pictures with new Tamron 18-400 lens and Nikon D500 Some pictures with new Tamron 18-400 lens and Nikon D500 Tamron 70-200 G2 VC issue Tamron 70-200 G2 VC issue
Strange Ricoh Auto Rikenon 55mm f/1.4 Lens. No M42 Mount Strange Ricoh Auto Rikenon 55mm f/1.4 Lens. No M42 Mount SIGMA 50-100/1.8 ART: first impressions SIGMA 50-100/1.8 ART: first impressions
IRIX 11mm f/4 = Sharp! - 100% crops IRIX 11mm f/4 = Sharp! - 100% crops Fantastic lens with a fatal flaw Fantastic lens with a fatal flaw
Sigma 100-400 vs Tamron 100-400 Sigma 100-400 vs Tamron 100-400 150-600 G2/D850 Damselflies at 50 yards 150-600 G2/D850 Damselflies at 50 yards
Should I send Sigma 150-600 Contemporary for calibration with D810? Should I send Sigma 150-600 Contemporary for calibration with D810? Question Re: Sigma 15mm f/2.8 D EX Nikon Question Re: Sigma 15mm f/2.8 D EX Nikon
Yongnuo YN35mm F2N for Nikon Yongnuo YN35mm F2N for Nikon First impressions of Yongnuo 50mm 1.8 for Nikon First impressions of Yongnuo 50mm 1.8 for Nikon
Tamron 70-200mm Autofocusing issues Tamron 70-200mm Autofocusing issues Time To Change "Third Party" Designation? Time To Change "Third Party" Designation?
Color scheme? Blue / Yellow