bakhtyar kurdi

I Regret selling my Carl Zeiss 1200mm f 5.6 white lens for only $700 Canadian
I don't know how many of those exist on the planet.

Hi everyone Is there anyway to combine the hi resolution mode with self timer for stability? Although I already bought a wireless remote control for this purpose, but it is good to know if that ...

But the nice thing about this lens , it weighs only 1 g (0.00 lb)
According to the spec, in DPREVIEW

Anyone used this lens with 2x Extender? and how is the results? Image quality, and focus speed Thanks

I bought this lens two days ago, I was very happy, finally I found almost a perfect standard zoom that is sharp wide open corner to corner But unfortunately it suffers from focus shift My main use ...

Thanks, found it

Is there any way to combine the high resolution mode with self timer in case I don't have a remote shutter release? Or any other ideas to prevent shake shutter release delay? how to set it up? than ...

Thanks Hero & Tom Is there a version without glass that works as good as speed boosters ? What is important for me is the tele side, doubling the FL Because I use it mostly for reach, not the wide ...

I just bought a Pen F, with a few native lenses I have many good Canon EF and EF-S lenses , like the excellent Sigma 135/1.8 Art lens. My question  : is there any smart adapter that really works? ...

I have the Sony a7RII Also a Sigma 100-400 Nikon mount with Vello adapter, latest firmware Also a Sony 70-400 SSM II with LA-EA3 adapter The sigma is good on AF-C , it has hard time to focus from ...