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Background info: I have 2 scopes a nexstar 6se (150mm aperture and 1500mm focal length - f10) and a evostar 72ed (72mm aperture, 420mm focal length - f5.8).
I haven't had chance to use the evostar yet thanks to the clouds. 😡
Question: Does the f5.8 mean I'm going to be able to reduce my exposure time or is it cancelled out by the fact the aperture is so much smaller?
Does Focal Ratio affect brightness or is it all about field of view. Will an f/5 scope show the Andromeda galaxy more brightly in the eyepiece than an f/12 scope, or is it just about fitting Andromeda in there and seeing more of the sky? Also does the Focal Ratio of a scope have any effect on the amount or length of exposures taken in astrophotography? Thanks.
Hi everyone, just looking to get into astrophotography but looking at a DSLR as I'd like to use it for daytime use too, I know usually it's better for them to be modified but I've seen this can be done to allow use for both with only white balance adjustment.
I've seen 1300d's going around £200 on eBay with the 18-55mm lens but the 4000d is a couple of years newer and there is currently one with 18-55mm + 75-300mm going for £350 at Currys. From what I can work out there isn't much difference between them besides a smaller screen on the 4000d and the release date. I'm just wondering if there is some reason people go for the 1300d instead or is it just because of it being older it turns up cheaper?
Sorry for the long winded post but I'm doing lots of research to make sure I get the best one that'll last me the longest, thanks for any help.
COMPLETED - CANON - EOS 1300D DSLR Camera with 18-55 mm f/3.5-5.6 & 75-300 mm f/3.5-5.6 Lens with intervalometer remote shutterBy adder001
Canon EOS 1300D , Comes with lenses 18-55mm and 75-300mm zoom and strap.
Also Remote control shutter/intervalometer for creating self portrait or time lapse etc.
Non Smoking Household. perfect condition, kept in case when not in use.
Location Bolton, North West England. Collection or I can do local delivery in person. I would prefer this as postage would be expensive also the risk of damage in transit. If needed then I estimate around £15 due to size and amount of items if sent by courier.
My first try at astrophotography, the orion. Taken with canon eos 1300D on a static tripod.
Lights - 9 x 7secs
Iso - 6400
Lens - 18- 55mm kit Lens at 55mm
Stacked em in DSS and did little tweeks in Rawtherapee, i'll try to learn photoshop to improve the results
Looking forward to some suggestions