Rowancummins

Hi can anyone load starnet++ website is it down thanks

Hi I have just purchased a optolong filter for my canon 6d I have some questions about the installation I know you have to enable mirror lock up and then disable it when installed but do you have to shoot in live view or can you come out of live view when shooting as the canon 6d has a pink light that gets emitted across the sensor wen it’s been modified when shooting in live view 

and a question about removing the filter I’ve seen people remove it and the mirror comes down could you turn mirror lock up back on to remove it so it doesn’t go down as the filter is being removed  

and when I turn the camera off with the filter in should I turn the camera back on enable mirror lock up and remove the filter so the mirror doesn’t fall as I’m removing the filter

thanks

48 minutes ago, alacant said:

Hi

There's quite a bit of chromatism emphasising any reflection from the lens surfaces, shown mostly in the red, less so in green and almost flat in blue. Over full frame, tilt is critical, especially in a lens with 17 elements (34 glass surfaces).

If you have another eos adapter e.g. from another Tamron, I'd try that first.

Along with a shorter focal length at say f8,  I'm sure a decent vset of calibration frames would go a long way to help in processing.

Or, as you have what looks like very good data anyway, just go ahead. I'd put good money on a stack of those images making for a stunning shot.

Cheers and HTH

   

Thanks for your help I appreciate it

i believe that the reflection in the center is a ir light inside the lens that’s what others have told me and with my camera being modified it picks up on it 

and just a question what is tilt 

It was a canon 6d ha modified 

tamron 70-300mm di vc usd

no filter 

on star tracker

2 hours ago, michael8554 said:

DSLR viewfinder leakage is usually at the top of a landscape frame.

Post an image of the image train.

Michael

What do you mean by image train 

google is showing pictures of trains😂😂😂

in the first one you cant see it that well but wen I make an adjustment in light room or photoshop it shows up on left side oft he image 

These were shot in raw with a custom white balance they were converted to jpgs when I uploaded them when I was testing the camera i covered  the led on the side of the camera next to the sd card and covered the red light on my intervalometer and this still happened they are also not shot in live view and this doesn’t happen with other lenses so I think the Tamron 70-300 has a ir light source inside it

3 hours ago, sharkmelley said:

That would appear to be consistent with an IR source internal to the lens.

Thanks for your help 👍

Yeah here’s the jpegs I increased the exposure as they are quite dark but in the field and take images it’s quite obvious at 300mm one is at 70mm which looks fine the othe is at 300mm where light leak is apparent 

Hi just have a question about a filter I’m using a Samyang 24mm f1.4 canon fit I purchased a filter for the lens and when I’m screwing it on it makes a high pich screeching sound or girding noise is this normal for this lens or is it the filter thanks 👍

Hi there look for some help with my canon 6d it has been modified by astrononmiser ha modified I’m a wide angle Astrophotography guy most of the time but I wanted to capture a shot of comet/2022e 3 the only longer lens I have is a Tamron 70-300 f4-5.6 however something weird was going on the more I zoomed in the of a light leak I got it’s a c shaped purple pink I know that Astro modified 6d have a light leak in live view so it wasn’t that then I tested inside a dark room with the lens cap on and zoomed out two 70mm it’s a dark image as expected but wen I zoom to 300 there’s a massive pink light leak so my guess is it’s a lens issue I haven’t had this on any other lens for Astrophotography all my other lenses are primes so maybe it’s a zoom lens issue but it get worse the closer you get to 300mm