SingAstro

Cleaning up old posts, given away.

Cleaning up old posts, sold.

Continuing to reduce my collection. Asking for $2500. I got this a few years ago from Anat, never took it into the field, only a few outings on my balcony. Wrote a review here - https://www.andico.org/2015/02/takahashi-em-11-temma-2-jr-review.html What I'm selling - Takahashi EM-11 Temma2 Jr mount (...

Sold, thanks Alfred.

Reducing my large hoard of mounts and stuff at home. $450 for the Unistar Deluxe + $300 for the Gitzo. $700 for both. I will sell the Unistar by itself, but the Gitzo only to the buyer of the Unistar. Unistar Deluxe: https://www.cloudynights.com/articles/cat/user-reviews/mounts/alt-azimuth/unistar-d...

I would be quite interested as well. There's a way to measure skyfog using a DSLR:

http://www.pbase.com/samirkharusi/image/37608572

Singpost biggest diameter is 50mm / 2"

I bought a DK optical set from a guy in Romania that's 135mm in diameter so i need a 150mm diameter tube...

hmm so the hex things were the ikea shelves?

i have a lot of trouble cutting angles into plywood to make those hex shapes.. what i did before was a box.

After many (many) failed attempts and wastage of 3D filament, I've finally managed to produce a low-latitude wedge for Tak mounts.

There are two versions: one for 3-series Gitzo tripods, and one for 5-series Gitzo tripods.

https://www.thingiverse.com/thing:3065973

I believe the Samyang is superior to the Canon 135/2L. I have the Samyang 12mm f/2 for Fuji and it's jaw-dropping. Easily as sharp as the "Fujicron" 23mm f/2. These Korean Samyangs are pretty good. The Canon 135mm f/2L is well known to not have good corner stars wide open. I actually have ...