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I wonder if someone can please help, I'm fairly new to astrophotography and confused about aperture. Basically I'm looking at a Canon EF-S 55-250mm lens. It has the specs
f4-f5.6 does this mean that the lowest point of aperture possible is F5.6 or will it go lower. What I find confusing is that I have a lens that's the EF-S 18-55mm lens which has the specs of f/3.5/5.6 however My camera does allow me to set the aperture at f/8 The reason I ask cause it is advised to use a low aperture of f/8 to capture images of the moon.
Any help and guidance would be greatly appreciated!
Hi, my current telescope is Celestron ExploraScope 70AZ, thinking upgrade to skywatcher heritage 130P(came with 25mm ajd 10mm EP) , if i do, can i use the eyepiece (4mm) and x3 barlow from my old celestron on the 130P?
One more question, i ordered a eyepiece camera Svbony SV105, i wonder what is magnification of this camera and how it work to change magnification.
Recently i bought this brand new camera from David Hardie when he was doing a big sell out of some really nice items in excellent offers !!!
Unfortunately the camera although brand new doesn't serve my purposes so I decided to sell it at exactly the same price which I bought it from David , it was a really special offer 🤪
The camera new costs £1685 and I will sell it for £750 to be fair....🤪🤪🤪🤪
Camera comes with all its extras and case in absolutely brand new condition....!!!!
Info from FLO site :
Postage expenses are on me, secured package.
Paypal accepted ,just buyer pays the fees.
If payment is in EURO we will just calculate the daily exchange rate at Xe.com.
Many thanks !
I bought my first telescope, SW 150pds about 6 months ago with the purpose of astroimaging "when i feel ready". So far ive used my Nikon D810 for that, and I'm now planning on taking the step buying my first AP camera.
My targets would be DSO's, and not planetary. I want a mono-camera, not color.
I want to get away with a very good camera to a reasonable price (wouldn't we all...) and in this regard I've been drooling on the ZWO ASI 1600MM Mono for some time. The price for it is in the upper part of my budget, but I'm willing to if its worth it. I've seen from other treads that sensor-size isn't everything, and dynamic range and gain and all is just as important, but i have trouble understanding it all 100% when it's all new to me, but in my experience i am a practical person who learns things much better and faster with the gear in my hand. So without getting to technical, and staying as objective as possible - please help me with;
1. Is this a good camera to go for?
2. It's sold with options of filters 1.25", 31mm or 36mm - Why these options, and what determines what i would choose?
3. Would you go for another camera in this price range, and why? - Or to rephrase it a bit; If you were in my shoes, which camera would you og for?
I'd appreciate any help:)
I might add, that i understand that with my lack of experience, buying a mono-camera with filters and all might seem premature, but for some strange reason. I enjoy these "way over my head"-projects and figuring out things as time goes - I just need some guiding in the right direction.