réalisation spectroscope

Design, construction, tuning of spectroscopes
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Re: réalisation spectroscope

Postby Robin Leadbeater » Wed Apr 28, 2021 10:18 pm

Sebastien Berriot wrote:Robin,

Do you have a exemple of spectre with this configuration (APN) ?

thank you
Sébastien


Sorry no. I only used this configuration with a DSLR once once to see if it would work. Spectroscopy is much easier with a mono astro camera

Cheers
Robin
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Robin Leadbeater
 
Posts: 1659
Joined: Mon Sep 26, 2011 4:41 pm

Re: réalisation spectroscope

Postby Sebastien Berriot » Fri Apr 30, 2021 3:39 pm

Hello Robin,

I also have an Atik314+ but i don't have an adapter to connect the camera to the objectif photo 50 mm.

what's your adapter ?
Sebastien Berriot
 
Posts: 52
Joined: Fri Aug 19, 2016 7:02 pm

Re: réalisation spectroscope

Postby Robin Leadbeater » Fri Apr 30, 2021 4:43 pm

Sebastien Berriot wrote:

what's your adapter ?


I used many adapters from my junk box screwed together together to convert an Olympus lens to T2.

junk_box_spectrograph_adpaters.png
junk_box_spectrograph_adpaters.png (498.43 KiB) Viewed 1345 times


You can do it much easier though using this adapter
https://www.teleskop-express.de/shop/pr ... ength.html
plus an adapter of the right length to reduce to 42mm from the list there

Cheers
Robin
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Robin Leadbeater
 
Posts: 1659
Joined: Mon Sep 26, 2011 4:41 pm

Re: réalisation spectroscope

Postby Sebastien Berriot » Thu May 06, 2021 3:22 pm

Hello robin,

what is the adapter of the right length to reduce to 42mm ?
Sebastien Berriot
 
Posts: 52
Joined: Fri Aug 19, 2016 7:02 pm

Re: réalisation spectroscope

Postby Robin Leadbeater » Thu May 06, 2021 10:55 pm

Sebastien Berriot wrote:Hello robin,

what is the adapter of the right length to reduce to 42mm ?


I do not know but you can calculate it (camera lens to M48 + M48 to T2 + atk 314 back focus = back focus of the camera lens) or you can ask Teleskop Service
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Robin Leadbeater
 
Posts: 1659
Joined: Mon Sep 26, 2011 4:41 pm

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