Quote:
Originally Posted by Dennis
Hi Louie
Please let me know how you get on with the STi Ronchi 'cos I ordered one last week 'cos my old eyes struggle with focusing the Pentax istDS.
I also find when I am close to focus with the ST7 I can get wildly varying numbers when the seeing is poor. In the good moments, all the photons land on a single pixel (= high count) and when it turns sloppy again they are spread over adjacent pixels (= low count).
Cheers
Dennis
|
Well, my STI arrived today – damaged. I am uncertain when and where the damage occurred. The packaging appears adequate and apart from a slightly crumpled corner on the cardboard box, there are no obvious signs of physical violence.
• The main body was sealed in it's polythene bag with a black plastic retaining ring loose in the bag, with flakes of black paint peeling from the ring.
• The threaded tube that the plastic retaining ring was meant to hold in place was loose in the main body, tilted at an angle and the main body rattled when I picked it up.
• The optical surfaces of the diagonal are covered in black flecks of paint or plastic.
• The threads on the diagonal look uneven and have plastic swarf visible.
• The transfer lens is covered in black flecks of paint or plastic.
• The ronchi screen was loose and rattling around inside the main body.
• The diagonal will not screw into the diagonal tube as the tube is loose and rattles around in the main body.
• The loose (rotating?) ring is bare in patches and just picking it up leaves black flecks of paint on one's fingers.
I have e-mailed STI and I hope they will replace the device, as the calibration must be null and void now with the ronchi grating loose and rolling around inside the main body. Oh well, its cloudy outside so I would not have been able to use it anyhow.
Cheers
Dennis