Probably a stupid question (vivitar wide angle lens)

[fargman]

Alright, I've got a vivitar wide angle lens (1:2 28mm 55mm, hoping this means something to you) and like, I was hoping it would be have the black circle like a fisheye would but I dont think it does, I'm using it in a Pentax P30 film camera and was just wondering if there's any way I can make it have the black circle?
Cheers

 

[Raian-san]

Fish eyes and Wide Angle lens are different......

 

[fargman]

I gathered that, thanks for your input though.

 

[Destin]

28mm really isn't that wide. Fisheyes are generally in the 8-16mm range. And they are all prime lenses to my knowledge, meaning they aren't able to zoom...

 

[fargman]

Should add, I dont have a clue what that means, I just want the black circles like a fisheye, I saw on youtube if you take the lenses out and turn them round it looks like a fisheye, would that work?

 

[Raian-san]

Like this, Amazon.com: Sigma 10mm f/2.8 EX DC HSM Fisheye Lens for Pentax Digital SLR Cameras: Electronics

or this: Amazon.com: PENTAX DA 10-17mm f/3.5-4.5 ED (IF) Fish-Eye Lens for Pentax Digital SLR: Electronics

 

[tron]

28mm really isn't that wide. Fisheyes are generally in the 8-16mm range. And they are all prime lenses to my knowledge, meaning they aren't able to zoom...

not true, tokina makes a 10-17mm fisheye. 28mm is decently wide on his camera, the equivalent of about 18mm on a 1.5x crop sensor camera.

op, fisheyes deliberately bend lines whereas manufacturers try to eliminate distortion with wide angles (but they cant, they stretch corners and stuff). is there a certain reason you need that fisheye look?

if you just need want it for the cool factor, buy a lens attachment off ebay and call it a day. because chances are the allure of a fisheye is going to wear off after seeing it on 3408038 tumblr pages

 

[480sparky67 67]

Do it in post.

This:

Into this: