The future of the best 645 crop factor is here, and we’ve got all the best picks for 2024. We have compiled 36237 reviews from top experts that led us to these 20 devices on the list.
The Best 645 Crop Factor Deals This Week:
Bestseller No. 1
XPIMAGE 0.8X Optical Focal Reducer Adapter Compatible with Mamiya 645 Lenses for Fujifilm GFX Cameras
- When this adapter with high-quality optical lenses is attached to your camera, the crop factor is reduced to 0.8x. You'll get a larger field of view
- +1 EV Exposure: With this adapter, you can get an extra stop of exposure (about +1 EV). As a result, you can get a shallow depth of field more easily
- Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
- Dust and Splash resistant: Dust and splash resistant design withstands use under harsh conditions for high mobility
- Focus to Infinity: Advanced CNC processing and professional assembly technology ensure product quality. The lenses will focus to infinity on your cameras
Bestseller No. 2
XPIMAGE 0.8X Optical Focal Reducer Adapter Compatible with Pentax 645 Lenses for Fujifilm GFX Cameras
- When this adapter with high-quality optical lenses is attached to your camera, the crop factor is reduced to 0.8x. You'll get a larger field of view
- +1 EV Exposure: With this adapter, you can get an extra stop of exposure (about +1 EV). As a result, you can get a shallow depth of field more easily
- Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
- Dust and Splash resistant: Dust and splash resistant design withstands use under harsh conditions for high mobility
- Adjust Aperture: You can adjust the lens aperture by adjusting the aperture adjustment ring on the adapter
Bestseller No. 3
XPIMAGE 0.8X Optical Focal Reducer Adapter Compatible with Mamiya 645 Lenses for Hasselblad XCD Cameras
- When this adapter with high-quality optical lenses is attached to your camera, the crop factor is reduced to 0.8x. You'll get a larger field of view
- +1 EV Exposure: With this adapter, you can get an extra stop of exposure (about +1 EV). As a result, you can get a shallow depth of field more easily
- Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
- Dust and Splash resistant: Dust and splash resistant design withstands use under harsh conditions for high mobility
- Focus to Infinity: Advanced CNC processing and professional assembly technology ensure product quality. The lenses will focus to infinity on your cameras
Bestseller No. 4
XPIMAGE Modify Adapter Kit 0.71x Speedbooster Compatible with Mamiya 645 Lens for ARRI PL Camcorder
- Modified Bayonet: Without damaging the original lens mount, the lens mount can be changed to a PL mount with an adapter ring
- 0.71X Optical Focal Reducer: When the lens is attached to your camera, the crop factor is reduced to 0.71x. You'll get a larger field of view on your camera
- Matt Paint: To reduce the influence of external stray light on the imaging performance, there are extinction threads and matt paint inside of the adapter
- Focus to Infinity: Advanced CNC processing and professional assembly technology ensure product quality. The lenses will focus to infinity on your cameras
- Hard Anodizing: Aluminum alloy parts are anodized. Hard-anodized aluminum has good wear resistance and corrosion resistant
Bestseller No. 5
XPIMAGE 0.71X Optical Focal Reducer Adapter Compatible with Mamiya 645 Lens for Canon EOS RF Cameras
- 0.71X Optical Focal Reducer: When this adapter with high-quality optical lenses is attached to an full-frame camera, the crop factor is reduced to 0.71x. You get the same field of view as a medium format camera
- +1 EV Exposure: With this adapter, you can get an extra stop of exposure (about +1 EV). As a result, you can get a shallow depth of field more easily
- Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation. It can enhance the imaging quality properties
- Dust and Splash resistant: Dust and splash resistant design withstands use under harsh conditions for high mobility
- Matt Paint: To reduce the influence of external stray light on the imaging performance, there are extinction threads and matt paint inside of the adapter
Bestseller No. 6
AC Infinity IONGRID T24, LED Grow Light with Samsung LM301H Diodes, Full Spectrum Deeper Penetration Halo Coverage, Digital Dimming Controller, for Veg Bloom Indoor Plants in Grow Tents Greenhouses
- Innovative halo design produces uniform coverage and deeper light penetration to maximize plant yields.
- Specially formulated with full-spectrum Samsung LM301H white, red, and IR LEDs optimized for all grow stages.
- Linear bar light design adapted into four-sided halo form factor to achieve commercial lighting output.
- Digital controller with daisy-chaining ports featuring PWM dimming, timers, cycles, and backup memory.
- Air-suspended driver over aluminum heatsink passively cools LEDs to last longer and boost PAR output.
Bestseller No. 7
XPIMAGE 0.8X Optical Focal Reducer Adapter Compatible with Pentax 645 Lenses for Hasselblad XCD Cameras
- 0.8X Optical Focal Reducer: When this adapter with high-quality optical lenses is attached to your camera, the crop factor is reduced to 0.8x. You'll get a larger field of view
- +1 EV Exposure: With this adapter, you can get an extra stop of exposure (about +1 EV). As a result, you can get a shallow depth of field more easily
- Flange Locking: The adapter ring has a threaded flange-locking structure which is robust and reliable. The lens will not shake after installation
- Dust and Splash resistant: Dust and splash resistant design withstands use under harsh conditions for high mobility
- Adjust Aperture: You can adjust the lens aperture by adjusting the aperture adjustment ring on the adapter
Bestseller No. 8
KIPON Focal Reducer Adapter for Using Mamiya 645 Mount Lens on Sony E Mount Camera
- For Mamiya 645 Mount Lens
- For Sony E Mount Camera
- keep your lenses wider and more high-speed
- The 0.7x Focal Reducer Gets Rid of Crop Factor and Increases the Aperture
- Focus infinity feature is available
Bestseller No. 9
KIPON Focal Reducer Optics Adapter Using for Using Mamiya 645 Mount Lens Compatible with Canon EOS R Mount Camera
- Compatible with Mamiya 645 Mount Lens
- Compatible with Canon EOS R Mirrorless Camera
- The 0.7x Focal Reducer Gets Rid of Crop Factor and Increases the Aperture
- keep your lenses wider and more high-speed
- Focus infinity feature is available
Bestseller No. 10
KIPON Focal Reducer Optics Adapter for Using Mamiya 645 Mount Lens Compatible with Leica L SL TL Mount Camera
- Compatible for Mamiya 645 Mount Lens
- Compatible for Leica L Camera
- The 0.7x Focal Reducer Gets Rid of Crop Factor and Increases the Aperture
- keep your lenses wider and more high-speed
- Focus infinity feature is available
Bestseller No. 11
KIPON Focal Reducer 0.8 Optics Camera Lens Adapter for Using Pentax 645 Mount Lens on Fuji GFX Mount Camera
- Compatible for Pentax 645 Mount Lens, compatible for Fuji GFX Medium Format Camera
- One stop brighter. By reducing the focal length of the lens, P645-GFX 0.8x increases light transmission, effectively increasing the aperture.
- 0.8x wider. The 0.8x optic adapter gets rid of crop factor and increase the aperture
- Improve lens MTF. The 0.8x optics feature a telecentric design, to let light come into the digital sensor as vertically as possible.
- Only Manual Model will be Available
Bestseller No. 12
KIPON 0.8 Focal Reducer Optics Autofocus Camera Lens Adapter for Using Contax 645 Mount Lens on Fuji GFX Mount Medium Format Camera
- Compatible for Contax 645 Mount Lens, compatible for Fuji GFX Medium Format Camera
- One stop brighter. By reducing the focal length of the lens, C645-GFX AF 0.8x increases light transmission, effectively increasing the aperture.
- 0.8x wider. The 0.8x optic adapter gets rid of crop factor and increase the aperture
- keep your lenses wider and more high-speed
- Fast AF and strong electronic functions. Built-in electronic contacts and circuit board with chip, which support Eye-AF, lens and camera stabilization, EXIF information transmisssion, etc. The adapter is equipped with a Type-C port for firmware update. With C645-GFX AF 0.8x, you can control the aperture with the camera body.
Bestseller No. 13
KIPON Focal Reducer Optics Adapter for Using Pentax 645 Mount Lens on Nikon Z Mirrorless Camera
- For Pentax 645 Mount Lenses
- For Nikon Z Camera Bodies
- The 0.7x optic Adapter Gets Rid of crop factor and Increases the Aperture
- keep your lense wider and more high-speed
- Focus Infinity Feature is Available for Use with the Camera Adapter
Bestseller No. 14
KIPON Focal Reducer 0.8 Optics Camera Lens Adapter for Using Mamiya 645 Mount Lens on Fuji GFX Mount Camera
- Compatible for Mamiya 645 Mount Lens, compatible for Fuji GFX Medium Format Camera
- One stop brighter. By reducing the focal length of the lens, M645-GFX 0.8x increases light transmission, effectively increasing the aperture.
- 0.8x wider. The 0.8x optic adapter gets rid of crop factor and increase the aperture
- Improve lens MTF. The 0.8x optics feature a telecentric design, to let light come into the digital sensor as vertically as possible.
- Only Manual Model will be Available
Bottom Line about 645 Crop Factor
When you purchase 645 crop factor, it’s important to consider whether or not the item will actually serve its purpose. Sometimes we may think that an acquisition is necessary when really there are other options available at a lower cost, which would suffice just as well with no loss in value–reviewing these alternatives beforehand can help avoid wasting money on unnecessary purchases later down the line.
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