Linked Questions

17 votes
5 answers
6k views

Where does the ¹/shutter speed = focal length rule for hand shake come from?

The generally accepted rule of thumb is that the shutter speed must be the same or larger than the inverse of the focal length. As is, it seems that it makes no sense as is: On a 24 Mpixels full-...
Arseni Mourzenko's user avatar
5 votes
4 answers
5k views

Telephoto lens: is optical stabilization important?

I'm planning on purchasing either a Sigma 70-300mm f/4-5.6 DG APO Macro Telephoto or a Sigma 18-250mm f/3.5-6.3 DC OS HSM IF lens. The first one has a narrower range and does not have optical ...
julien_c's user avatar
  • 153
3 votes
4 answers
9k views

What can cause blurry and out of focus images on a Nikon D5300 in no flash mode?

I am using a Nikon D5300 with 18mm-300mm lens. My problem is that the camera is not working properly in "No flash" mode - in all other modes it's working well. Mostly I am using manual settings, but ...
krish's user avatar
  • 141
3 votes
4 answers
5k views

Why my DSLR is not as sharp as my smart phone?

I recently bought a Nikon D5500 camera with two lenses: 18-140mm f/3.5-5.6G ED VR and 50mm f/1.8G. When I compare the results with my advance smart phone (Samsung Galaxy Note 5), the sharpness is not ...
S.Serpooshan's user avatar
-1 votes
3 answers
7k views

Why doesn't an f/1.8 lens result in a lower ISO than an f/2.8 lens?

When I bought my Sony NEX-5R, I had a choice of an f/1.8 or an f/2.8 lens (both are prime, normal lenses). I was told the 1.8 will work better for low-light photography since it will let in lot more ...
Kartick Vaddadi's user avatar
4 votes
3 answers
721 views

What type of lens is best suited for adventure photography?

OK, so I really don't want to sound like an neophyte asking about which lens to buy, but I've done a fair amount of research and I'm really unsure which is the best route to take. I have a D5200 and I'...
Mark Saluta's user avatar
0 votes
4 answers
568 views

What's the difference between using an Image Stabilization and not using it?

So, I want to make decision about buying a telephoto lens, the Canon EF-S 55-250mm f/4-5.6 IS STM and Canon EF 75-300mm f/4-5.6 III USM. Which annoys me is the IS function, my friends asked me "what ...
Reinaldy Rafli's user avatar
2 votes
2 answers
1k views

How fast can you shoot your normal (50mm equivalent) lens handheld, and without optical image stabilization?

How fast can you shoot your normal (50mm equivalent) lens handheld, and without optical image stabilization? I have had the FUJINON XF18-55mmF2.8-4 R LM OIS for about two years now. I am very happy ...
Aram Hăvărneanu's user avatar
0 votes
3 answers
301 views

How to reduce ISO in low light with slow zoom lens?

I have a Nikon D5600, and my usual lenses are the 35mm prime lens and the Nikon 16-85 zoom. I like the zoom a lot for carrying around outside. But when we were in Spain, I was continually confronted ...
rogerl's user avatar
  • 164
1 vote
1 answer
233 views

How much longer can my shutter speed be for a given focal length with OIS on a Fujifilm X-series camera?

I have the XF 50-140mm and the XF 100-400mm zooms for Fujifilm X-T2. I heard for crop sensors to use the 1/(2× focal lenth) rule rather the 1/(1× focal length) for full frame. So, without OIS on a ...
Tampa's user avatar
  • 173