Search found 2389 matches
- Fri Oct 06, 2023 3:21 pm
- Forum: Buy and Sell
- Topic: WTS: Various Saddle Clamps: Losmandy, Vixen, Arca Swiss
- Replies: 0
- Views: 9634
WTS: Various Saddle Clamps: Losmandy, Vixen, Arca Swiss
WTS: Various Saddle Clamps: Losmandy, Vixen, Arca Swiss 1. William Optics Type: Losmandy-style Length: 200mm Clamp: 1-locking knob single-jaw 75mm Holes: various M6 & M8 recessed holes Finish: black anodised Condition: excellent like new, except very minor plate marks not visible with losmandy p...
- Wed Oct 04, 2023 11:18 pm
- Forum: Buy and Sell
- Topic: WTS: Leica ASPH 25-50x (8.9-17.8mm) Zoom Eyepiece_SOLD
- Replies: 0
- Views: 9528
WTS: Leica ASPH 25-50x (8.9-17.8mm) Zoom Eyepiece_SOLD
WTS: Leica ASPH 25-50x (8.9-17.8mm) Zoom Eyepiece_RESERVED Considered one of the best high-contrast eyepiece, has 60 deg. AFOV at the 17.8mm to 80 deg. AFOV at the 8.9mm. It works very well with a good quality barlow to perform as an excellent planetary eyepiece with good eye-relief. I find this bar...
- Fri Sep 29, 2023 1:48 pm
- Forum: General Astronomy
- Topic: How do Dobs/Newtonians fare in singapore light polluted skies
- Replies: 6
- Views: 8875
Re: How do Dobs/Newtonians fare in singapore light polluted skies
You are most welcome. I also learnt from asking around. The SW Quattro is an imaging newt which is designed more for imaging with full frame camera, CCDs etc. if you compare the 10" SW Quattro to the 10" SW Flextube, there are fundamental differences. Mounting is different, Flextube comes ...
- Tue Sep 26, 2023 4:25 pm
- Forum: Equipment Discussions
- Topic: Does anyone know how much his scope cost? 21inch mirror must be expensive.
- Replies: 2
- Views: 4792
Re: Does anyone know how much his scope cost? 21inch mirror must be expensive.
Newtonian primary mirror at $20k is maybe on the high side. Prices varies depending on brand, material and focal ratio. For example, looking at high-end quality like Zambuto (ZOC) mirror 20 inch f/4.5 may cost USD 7200, while ZOC 20" f/4 may cost SGD 12,300. He used to make 22 and 24 inch but n...
- Mon Sep 25, 2023 1:15 pm
- Forum: Astronomy Events & Observation Sessions
- Topic: Winning International Space Photography competitions from his apartment! The Brightside speaks to Marco Lorenzi!
- Replies: 1
- Views: 4227
Winning International Space Photography competitions from his apartment! The Brightside speaks to Marco Lorenzi!
Watch the multi-award-winning singastro member Marco Lorenzi (owner of 21 inch scope) who was "live on air" at radio ONE FM 91.3 on 25 Sep 2023 at 9am The video clip is here below, action actually starts at 0:40, and he mentioned singastro and the 4 Nov 2023 event from 17:50 onwards: https...
- Fri Sep 22, 2023 11:27 pm
- Forum: General Astronomy
- Topic: How do Dobs/Newtonians fare in singapore light polluted skies
- Replies: 6
- Views: 8875
Re: How do Dobs/Newtonians fare in singapore light polluted skies
I have used those telescopes (or similar) that you mentioned. For newtonians, I have used from 4 to 15 inch and bigger. So I share what I see in the scope performance etc. There is a big jump from C6 to 10-12 inch dob, both in size/weight as well as performance. A 10-12 inch newtonian will show brig...
- Fri Sep 22, 2023 10:57 pm
- Forum: Astronomy Events & Observation Sessions
- Topic: Permit required for street-astro at orchard road?
- Replies: 3
- Views: 7338
Re: Permit required for street-astro at orchard road?
Thanks for sharing. Haven't seen those pics for a while. Done sidewalk astro several times there at Orchard Road. Last time I checked and clearance or permit wasn't required then
@Spartan: do let me know if you need my help. I dropped you a PM
@Spartan: do let me know if you need my help. I dropped you a PM
- Mon Apr 03, 2023 2:01 pm
- Forum: Buy and Sell
- Topic: WTS: SkyWatcher Avant AZEQ mount (reserved)
- Replies: 0
- Views: 7019
WTS: SkyWatcher Avant AZEQ mount (reserved)
WTS: SkyWatcher Avant AZEQ mount This comes with slow-motion knobs for AZ use, latitude adjustment (can use above 15 degrees North but doesnt reach 0 degree North). It doesn't include tripod, counterweight/bar, RA motor or controller for EQ mode. The mount is as shown in photo below except without t...
- Sat Sep 03, 2022 9:07 pm
- Forum: Buy and Sell
- Topic: WTS Orion Eon 110mm F/6 ED Doublet (withdrawn)
- Replies: 3
- Views: 7610
Re: WTS Orion Eon 110mm F/6 ED Doublet
Reduced to $1700
- Wed Jul 06, 2022 12:08 pm
- Forum: Buy and Sell
- Topic: WTS: Pentax 75 SDHF & Coronado SolarMax 60 Double-Stack [SOLD]
- Replies: 1
- Views: 2914
Re: WTS: Pentax 75 SDHF & Coronado SolarMax 60 Double-Stack
SolarMax 60 is SOLD