jtra

jtra

Lives in Czech Republic Prague, Czech Republic
Joined on Mar 6, 2008

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Subject Forum Last post
Sigma 12-24mm f/4.5-5.6 AF II DG HSM vs Tokina 16-28mm f/2.8 AT-X Pro (IF) FX Lens Nikon SLR Lens Talk 44 min ago
Optics, interference, or sensor response? Photographic Science and Technology 3 hours ago
High noise on Nikon 85mm 1.8G? Nikon SLR Lens Talk 3 days ago
Nikkor 50mm F1.2 vs Sigma 50mm F1.4A vs Zeiss 55mm F1.4 Otus? Nikon SLR Lens Talk 4 days ago
new 20mm f/1.8G or 18-35mm f/3.5-4.5G? Nikon SLR Lens Talk 4 days ago
Tamron 24-70 f/2.8 Di VC USD Nikon SLR Lens Talk 4 days ago
New revolutionary sensor tech from Sony? Photographic Science and Technology 1 week ago
Nikon 10-24 worth it to get (to replace Tokina 11-16)? Nikon SLR Lens Talk 1 week ago
Sigma 50mm 1.4 ART vs Nikon 50mm 1.8G Third Party Lens Talk 1 week ago
D800 and SB700 AF assist missed focus Nikon FX SLR (DF, D1-D4, D600-D800) Talk 2 weeks ago
Debugging D800 AF issues w/Speedlight AF assist Nikon FX SLR (DF, D1-D4, D600-D800) Talk 2 weeks ago
A7 evf with glasses & AF point selection Sony Alpha/NEX E-mount Talk 4 weeks ago
(For Nikon) Tamron AF 70-200mm f/2.8 Di LD IF Vs. Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Third Party Lens Talk 1 month ago
More 58 f/1.4 portraits Nikon SLR Lens Talk 1 month ago
D810 FLux Lines on Sensor?? Nikon FX SLR (DF, D1-D4, D600-D800) Talk 1 month ago
D750 Photographic Dynamic Range (PDR) and Read Noise Nikon FX SLR (DF, D1-D4, D600-D800) Talk 1 month ago
AF Fine Tune settings for multiple Tamron lenses? Nikon FX SLR (DF, D1-D4, D600-D800) Talk 1 month ago
50mm Primes... Nikon SLR Lens Talk 1 month ago
Nikon global shutter patent Photographic Science and Technology 2 months ago
Lens Comparision Nikon SLR Lens Talk 2 months ago
Nikon Nikkor 18-140mm f/3.5-5.6G ED VR AF-S DX vs. Nikon Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX Nikon SLR Lens Talk 2 months ago
if your 58mm 1.4g is giving you unsharp photos... Nikon SLR Lens Talk 2 months ago
found out something about the D810 Nikon FX SLR (DF, D1-D4, D600-D800) Talk 2 months ago
Nikon D750 and AA filter. Is there a sound reason for it? Photographic Science and Technology 2 months ago
85mm f/1.8G bokeh... Nikon SLR Lens Talk 2 months ago
Wide angle confusion Nikon SLR Lens Talk 2 months ago
Dynamic Range of lenses Photographic Science and Technology 2 months ago
Photoshop's new D810 profiles Nikon FX SLR (DF, D1-D4, D600-D800) Talk 2 months ago
D750 at 10000 ISO Nikon FX SLR (DF, D1-D4, D600-D800) Talk 3 months ago
D750 : Thoughts on AF Coverage Nikon FX SLR (DF, D1-D4, D600-D800) Talk 3 months ago
is the new 20mm 1.8 coming out wide enough for Indoor Real Estate? Nikon FX SLR (DF, D1-D4, D600-D800) Talk 3 months ago
Going FF(?) Nikon FX SLR (DF, D1-D4, D600-D800) Talk 3 months ago
This is how my D610s sensor looks after 600 shots (Dust/oil spots) Nikon FX SLR (DF, D1-D4, D600-D800) Talk 3 months ago
Sigma 50mm & 85mm FoCal Aperture Sharpness Test Results - Good or Bad??? Third Party Lens Talk 3 months ago
D810 HDR for Architecture: Take a look Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
58mm: The Soft King; Chroma Queen; +/-20 Fine Tuner; Transitional Bokeh Machine Nikon SLR Lens Talk 4 months ago
Why so little about D610? Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Full Frame Wide angle lenses for D800/D800E Nikon SLR Lens Talk 4 months ago
Tamron 60mm F2 Nikon SLR Lens Talk 4 months ago
Yet another help me choose my next lens (for hiking in woods) post Nikon SLR Lens Talk 4 months ago
How is the 24-85 VR vs. 28-300 VR on Full-frame? Nikon SLR Lens Talk 4 months ago
"FX is heavier than DX" myth Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Is quality off bokeh really subjective (and can we create a test?) Photographic Science and Technology 4 months ago
Wedding Photographers Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Playing with night landscape & milky way D610+18-35G Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
D800 vs. D810 Dynamic range Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Stuck pixels on D810 sensor Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Nikon 85 1.4 Review and Test Shots Nikon SLR Lens Talk 4 months ago
Upgrading from D90 (D610 or D7100) Need advice! Nikon FX SLR (DF, D1-D4, D600-D800) Talk 4 months ago
Sigma Art 35 or 50 1.4? Third Party Lens Talk 5 months ago