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Third Party Lens Talk Forum

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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Sigma 17-50 mm f2.8 OS - sample variation
Peter in Canberra 5 replies
Tamron 150-500mm f/5-6.7 Di III VXD
Buttons252 10 replies
Bought a mouldy Tamron, is it useless ?
Rambow 4 replies
Vivitar series1 105mm f2.5 1:1 vs Vivitar 100mm f2.8 1:1?
Marcipszilon 1 reply
I'm impressed - finally!
47872Mike 2 replies
unpopular opinion- tamron doesnt make high level E lenses because sony owns a stake in them
h815L 17 replies
Adjusting Focus on Tamron 20mm 2.8 for Sony?
Le Camerique 5 replies
Sigma 120-300 Sport Lens hood problem
kbanes 3 replies
TAMRON 70-180/2,8 DI III VXD SONY E-MOUNT fragile
giolight 0 replies
My Sigma keeps fogging up but my Tamron does not
OFremen 6 replies
Kamlan lenses as good value Cine Video lenses
Lentille 3 replies
Kamlan 32mm f/1.1
Manichaean 0 replies
Tamron 17-70mm 2.8 Ring/Vignette issue in Lightroom (w/ Fuji XT-4)
Ruben_Kempter 3 replies
Do Zeiss lenses have an appeal on modern cameras?
Satyaa 23 replies
Strange Ricoh Auto Rikenon 55mm f/1.4 Lens. No M42 Mount
amyelle 11 replies
Sony 90 Macro 2.8 with Raynox Dcr 250
hernanht 1 reply
how to remove the front glass on Sigma 18-200 lens
sum424426 13 replies
SIGMA 85 mm 1.4 DG DN ( Sony ) very bad AF
KanayeShogun 15 replies
Nikon Z9 with Sigma 500mm F/4 DG OS HSM Sports
ManosSKG 131 replies
Fujifilm X-mount
User4302425769 5 replies
Sigma 100-400mm F5.6- 6.3 DG OS HSM.
ASR45 26 replies
Sigma 24-70 F2.8 VS Sony 24-70 F2.8 GM I
Bart123 1 reply
What is "DoF with identifiable profile"? (about Laowa 15mm 1:1 macro f/4)
Arnstein Bjone 2 replies
Best 50mm for EF mount
martonlendvai 2 replies
Sigma Sport is sharper, while Tamron G2 is lighter.
nonproshooterdad 14 replies
Tamron 150-500 on Fuji H2S
Marco Stacchiotti 0 replies
45mm vs 50mm focal length
Kazzaz 21 replies
Laowa 45mm f/0.95
Wezre 0 replies
Samyang AF 18mm f2.8 FE - great value and performance
Jacques Cornell 1 reply
Review of Rokinon 85mm F1.8 X-mount manual lens
Tom Schum 21 replies