will it fit on a Sony HDR CX290? 35mm lens???

yes, you will just need to put a spacer ring they provide on it

will this fit on the samsung hmx h100?

Well its machined to fit a 37 mm ring but comes with adapters for 25 and 30mm also. You have to find out what the female adapter size is on your camera. If its not one of those sizes you can always buy adapters to fit other sizes...hope that helps :)

Will this fit the iPhone video rig by Photojojo which has a 37mm mount?

If it has a 37 mm mount it should fit. I have never used the iPhone rig but there is no reason why it shouldn't. 37 mm is 37mm. Hope this helped.

Opteka Platinum Series 0.3X HD Ultra Fisheye Lens for 25mm, 30mm, 30.5mm & 37mm Digital Video Camcorders

Opteka Platinum Series 0.3X HD Ultra Fisheye Lens for 25mm, 30mm, 30.5mm & 37mm Digital Video Camcorders

Product ID: 273745854

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Details

Brand
Opteka
Lens type
Fisheye
Compatible mountings
Micro Four
Camera lens description
37 month
Maximum focal length
30 Millimeters

🌌130° angle of view

📷0.3X magnification

🔄5-year warranty

Description

📸 Capture the Extraordinary!

DAY NIGHT MASTERY - Designed for optimal performance in both bright and low-light conditions.
UNMATCHED ASSURANCE - Enjoy peace of mind with a robust 5-year warranty.
DEPTH DEFYING EFFECTS - Pulls nearby objects closer while pushing distant ones into the background.
VERSATILE COMPATIBILITY - Directly mounts to 37mm camcorders with included adapters for 25mm, 30mm, & 30.5mm.
TRANSFORM YOUR PERSPECTIVE - Experience stunning barrel distortion that enhances your creative vision.

The Opteka Platinum Series 0.3X HD Ultra Fisheye Lens is a versatile lens designed for digital video camcorders with a 37mm mount, offering adapters for 25mm, 30mm, and 30.5mm. It provides a remarkable 130° horizontal angle of view, creating unique depth effects and maximizing light capture for stunning day and night shots. Backed by a 5-year warranty, this lens is perfect for both amateur and professional videographers looking to elevate their footage.

Specifications

ASIN	B001VMQ2PS
Brand	Opteka
Camera Lens	37 millimetres
Color	Black
Compatible Camera Mount	37mm rear thread
Compatible Devices	Cameras
Customer Reviews	4.0 4.0 out of 5 stars (113)
Focal Length Description	Extremely short focal length (fisheye)
Focus Type	Auto Focus
Global Trade Identification Number	00049368825009
Image stabilization	digital,optical
Item Type Name	Camcorder-lenses.
Item Weight	0.53 Pounds
Lens	Fisheye
Lens Coating Description	HD Coating
Lens Design	Zoom
Lens Fixed Focal Length	37 Millimeters
Lens Mount	M42
Manufacturer	Opteka
Maximum Focal Length	30 Millimeters
Minimum Focal Length	25 Millimeters
Model Name	OPT-SC37FE
Photo Filter Size	37 Millimeters
Real Angle Of View	180 Degrees
UPC	049368825009 049368825191 049368824453
Warranty Description	Yes
Zoom Ratio	1.48

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